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High Performance www.rrze.uni-erlangen.de
E-Print Network (OSTI)
High Performance Computing at RRZE 2008 HPCatRRZE www.rrze.uni-erlangen.de #12;G. Hager, T. Zeiser and G. Wellein: Concepts of High Performance Computing. In: Fehske et al. Lect. Notes Phys. 739, 681 Optimization Techniques for the Hitachi SR8000 architecture. In: A. Bode (Ed.) : High Performance Computing
Fiebig, Peter
Dynamic pyroelectric enhancement of homogeneous ferroelectric materials , S. Zhong a
temperature de- pendent properties and low depoling temperatures. This, in turn, limits the working range
Alpay, S. Pamir
Ivan De Mitri VHE Gamma Ray Astronomy 1 Very High Energy
~ 1/day Gamma Ray Bursts The X-ray counterpart detection with better pointing accuracy instrumentsIvan De Mitri VHE Gamma Ray Astronomy 1 Very High Energy Gamma Ray Astronomy Ivan De Mitri'Aquila, 11- Jun -2002 Photo F. Arneodo #12;Ivan De Mitri VHE Gamma Ray Astronomy 2 Seminar Outline Background
Harrison, Thomas
www.westfalenwind.de 1 ,,Grid integration of high volumes of Renewable Energies
Enhancement of grid for powertransfer Power-to-Heat instead of power management (reduces ,,must-run unitswww.westfalenwind.de 1 ,,Grid integration of high volumes of Renewable Energies Exceeding.westfalenwind.de 4 Grid requirements RES power generation characteristics: · high degree of fluctuating sources like
Noé, Reinhold
De Novo Ultrascale Atomistic Simulations On High-End Parallel Supercomputers
Science Conference Proceedings (OSTI)
We present a de novo hierarchical simulation framework for first-principles based predictive simulations of materials and their validation on high-end parallel supercomputers and geographically distributed clusters. In this framework, high-end chemically ... Keywords: density functional theory, grid computing, hierarchical simulation, molecular dynamics, parallel computing, quantum mechanics, reactive force field
Aiichiro Nakano; Rajiv K. Kalia; Ken-Ichi Nomura; Ashish Sharma; Priya Vashishta; Fuyuki Shimojo; Adri C. T. Van Duin; William A. Goddard; Rupak Biswas; Deepak Srivastava; Lin H. Yang
The Rockefeller University Press, 0021-9525/2001/04/503/14 $5.00 The Journal of Cell Biology, Volume 153, Number 3, April 30, 2001 503516
% of the protein. Species of intermediate sizes comprised the remaining 10%. To determine the effect that pumps DNA into the phage head. Although the portal vertex is assembled with high fidelity, the mechanism machine pumps the concatameric viral DNA into the procapsid in an ATP-de- pendent manner (1113). After
Goldman, Robert D.
Gasoline and Diesel Fuel Update (EIA)
0 0 Summary Our short-term outlook for a wide array of energy prices has been adjusted upward as international and domestic energy supply conditions have tightened. We think that crude oil prices are as likely as not to end the year $2 to $3 per barrel higher than our previous projections. Thus, we think that the probability of West Texas Intermediate costing an average of $30 per barrel or more at midwinter is about 50 percent. On their current track, heating oil prices are likely to be about 30 percent above year-ago levels in the fourth quarter. Prices for Q1 2001 seem more likely now to match or exceed the high level seen in Q1 2000. Tight oil markets this year and an inherent propensity for high gas utilization in incremental power supply have resulted in rising North American natural gas
0 0 Highlights International Oil Markets Prices. We have raised our world oil price projection by about $2 per barrel for this month because of assumed greater compliance by OPEC to targeted cuts, especially for the second quarter of 2000 (Figure 1). The expected decline in world petroleum inventories continues (Figure 2), and, given the generally stiff resolve of OPEC members to maintain production cuts, any sign of a turnaround in stocks may be postponed until later this year than previously assumed (Q3 instead of Q2). Our current estimate for the average import cost this past January is now $25 per barrel, a nearly $15-per-barrel increase from January 1999. Crude oil prices are expected to remain at relatively high levels for the first half of 2000, but
Analysis of the PWR Control Rod Ejection Event with High-Fidelity 3D-DeCART Code
DeCART is a high fidelity three-dimensional (3D) whole core transport calculation methodology for light water reactor (LWR) core simulations. During the past few years, the principal focus of DeCART applications has been on steady-state LWR problems in support of the Electric Power Research Institute�s (EPRI�s) Boiling Water Reactor (BWR) Crud Deposition Analysis program, with the most recent emphasis on depletion analysis of BWR fuel assemblies. Recently, the DeCART methodology has been extended to tran...
We present a de novo hierarchical simulation framework for first-principles based predictive simulations of materials and their validation on high-end parallel supercomputers and geographically distributed clusters. In this framework, high-end chemically reactive and non-reactive molecular dynamics (MD) simulations explore a wide solution space to discover microscopic mechanisms that govern macroscopic material properties, into which highly accurate quantum mechanical (QM) simulations are embedded to validate the discovered mechanisms and quantify the uncertainty of the solution. The framework includes an embedded divide-and-conquer (EDC) algorithmic framework for the design of linear-scaling simulation algorithms with minimal bandwidth complexity and tight error control. The EDC framework also enables adaptive hierarchical simulation with automated model transitioning assisted by graph-based event tracking. A tunable hierarchical cellular decomposition parallelization framework then maps the O(N) EDC algorithms onto Petaflops computers, while achieving performance tunability through a hierarchy of parameterized cell data/computation structures, as well as its implementation using hybrid Grid remote procedure call + message passing + threads programming. High-end computing platforms such as IBM BlueGene/L, SGI Altix 3000 and the NSF TeraGrid provide an excellent test grounds for the framework. On these platforms, we have achieved unprecedented scales of quantum-mechanically accurate and well validated, chemically reactive atomistic simulations--1.06 billion-atom fast reactive force-field MD and 11.8 million-atom (1.04 trillion grid points) quantum-mechanical MD in the framework of the EDC density functional theory on adaptive multigrids--in addition to 134 billion-atom non-reactive space-time multiresolution MD, with the parallel efficiency as high as 0.998 on 65,536 dual-processor BlueGene/L nodes. We have also achieved an automated execution of hierarchical QM/MD simulation on a Grid consisting of 6 supercomputer centers in the US and Japan (in total of 150 thousand processor-hours), in which the number of processors change dynamically on demand and resources are allocated and migrated dynamically in response to faults. Furthermore, performance portability has been demonstrated on a wide range of platforms such as BlueGene/L, Altix 3000, and AMD Opteron-based Linux clusters.
Nakano, A; Kalia, R K; Nomura, K; Sharma, A; Vashishta, P; Shimojo, F; van Duin, A; Goddard, III, W A; Biswas, R; Srivastava, D; Yang, L H
Notice of Intent To Prepare a PEIS To Evaluate Solar Energy Development, Develop and Implement Agency-Specific Programs, Conduct Public Scoping Meetings, Amend Relevant Agency Land Use Plans, and Provide Notice of Proposed Planning Criteria (DOE/EIS-0402
Energy.gov (U.S. Department of Energy (DOE)) Indexed Site
8 Federal Register 8 Federal Register / Vol. 73, No. 104 / Thursday, May 29, 2008 / Notices State Parents of dependents and inde- pendents with dependents other than a spouse Dependents and independ- ents without de- pendents other than a spouse Under $15,000 (%) $15,000 & up (%) All (%) Michigan ................................................................................................................................. 5 4 3 Minnesota .............................................................................................................................. 6 5 4 Mississippi .............................................................................................................................. 3 2 2 Missouri ..................................................................................................................................
Directing Protons to the Dioxygen Ligand of a Ruthenium(II) Complex with Pendent Amines in the Second Coordination Sphere
SciTech Connect
The activation and reduction of dioxygen (O2) by transition metal centers are key to a variety of biochemical and industrial processes. Efficient reduction of dioxygen to water is also important in the operation of fuel cells. These processes are typically proton-coupled electron transfer (PCET) reactions, requiring the coordinated movement of multiple protons and electrons. In biological systems, it is known that initial dioxygen bonding is facilitated by hydrogen bonding and proton delivery.
Tronic, Tristan A.; Rakowski DuBois, Mary; Kaminsky, Werner; Coggins, Michael K.; Liu, Tianbiao L.; Mayer, James M.
Optimization of de novo transcriptome assembly from high-throughput short read sequencing data improves functional annotation for non-model organisms
Background: The k-mer hash length is a key factor affecting the output of de novo transcriptome assembly packages using de Bruijn graph algorithms. Assemblies constructed with varying single k-mer choices might result in ...
Rismani-Yazdi, Hamid
Veh�culos de C�lula de Combustible
NLE Websites -- All DOE Office Websites (Extended Search)
de Clula de Combustible Vehculo de Clula de Combustible Honda Clarity FCX Los vehculos de clula de combustible (FCVs)tambin llamados de pila de combustibletienen el...
Final Technical Report, DOE Grant DE-FG02-98ER54496, Physics of High-Energy-Density X Pinch Plasmas
Abstract for the Final Technical Report, DOE Grant DE-FG02-98ER54496 An X-pinch plasma is produced by driving a high current (100-500 kiloamperes) through two or more fine wires that cross and touch at a point, forming an X in the case of two wires. The wires explode because of the high current, and then the resulting plasma is imploded radially inward by the magnetic field from the current. When the imploding material briefly stagnates at very small radius and high density, an intense burst of x-rays is produced and the plasma disassembles as rapidly as it imploded. When this project began, we could confidently state that at its minimum radius, X pinch plasmas made from such materials as titanium and molybdenum might be as hot as 10,000,000 K and had densities almost as high as the solid wire density, but their X-ray pulse durations were below one billionth of a second. We could also say that the X pinch was useful for point-projection imaging of rapidly changing objects, such as exploding wires, with high resolution, indicative of a very small X-ray source spot size. We can now confidently say that X-pinch plasma temperatures at the moment of the X-ray burst are 10-25 million K in titanium, molybdenum and several other wire X-pinches based upon the spectrum of emitted X-rays in the radiation burst. By the same means, as well as from the penetration of X-rays through the dense plasma, we know that ion densities are close to or higher than one-tenth of the density of the original (solid) wire material in molybdenum and a few other X-pinch plasmas. Furthermore, using the diffraction of X-rays radiated by the X-pinch when it reaches minimum radius, we have determined that the x-ray source size is about 1 thousandth of a millimeter for such wire materials as molybdenum and niobium, while it is 2-10 times larger for tungsten, titanium and aluminum wires. Finally, using a very high speed X-ray imaging �streak camera,� we have determined that X pinch X-ray pulses can be as short as 30 trillionths of a second. Additional experiments have demonstrated that a spherical shell of plasma expands away from the cross point region after the x-ray burst. It reaches millimeter scale in a few billionths of a second, leaving a small (less than 0.1 millimeter) gap in the middle that enables energetic electrons to be accelerated to 10 or a few 10�s of kilovolts of energy. In addition to gaining an understanding of the physics of the X pinch plasmas, we have had to develop several new X-ray diagnostic devices in order to obtain and verify the above results. On the non-technical side, 4 students have completed Ph.D.s working under the auspices of this project, including one woman, and another woman has begun her Ph.D. research under this project. In addition, several undergraduate students have worked with us on the X-pinch experiments, including one who is now a graduate student in plasma physics at Princeton University.
David Hammer
High School
High School Please click on the title for more information about each program. Nano*High Nano High Saturday presentations for Bay Area high school students Science Bowl Science...
Photonics High
of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000. SAND 2008-0486P 012008 Figure 2: Photo of the movable MEMS silicon mirror and grating...
NETL: Gasification Systems - Development of High-Pressure Dry...
Feed Systems Development of High-Pressure Dry Feed Pump for Gasification Systems Project Number: DE-FC26-04NT42237 High-Pressure Solids Pump High-Pressure Solids Pump Pratt &...
High-Pressure Dry Feed Pump for Gasification Systems Project No.: DE-FC26-04NT42237 High-Pressure Solids Pump High-Pressure Solids Pump Pratt & Whitney Rocketdyne (PWR) is...
High PRF high current switch
DOE Green Energy (OSTI)
A triggerable, high voltage, high current, spark gap switch for use in pu power systems. The device comprises a pair of electrodes in a high pressure hydrogen environment that is triggered by introducing an arc between one electrode and a trigger pin. Unusually high repetition rates may be obtained by undervolting the switch, i.e., operating the trigger at voltages much below the self-breakdown voltage of the device.
Moran, Stuart L. (Fredericksburg, VA); Hutcherson, R. Kenneth (College Park, MD)
Contract No. DE-AC36-99-GO10337High Wind Penetration Impact on U.S. Wind Manufacturing Capacity and Critical Resources
Contract No. DE-AC36-99-GO10337NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States government or any agency thereof. Available electronically at
A. Laxson; N. Blair; A. Laxson; N. Blair
High school students' perceptions of and attitudes toward globalization: an analysis of international baccalaureate students in Estado de Mexico, Mexico, and Texas, U.S.A.
As the last few decades have seen a proliferation of debate concerning todayâ�?�?s international system referred to as â�?�?globalization,â�? education has seen an exponential rise in curriculum (such as that promoted by global education, international education, and the International Baccalaureate Organization) that instills students with â�?�?international understandingâ�? and â�?�?global perspectives.â�? Through a two-site, interpretive study, this dissertation explored the nature of 15 studentsâ�?�? international understanding and their grasp of globalization. Qualitative techniques for data collection involved open-ended questionnaires and interviews, and emergent category designation was employed for qualitative data analysis. International Baccalaureate students from Estado de M�?©xico and Texas revealed complex, yet well-developed, perceptions of globalization that spoke of a system which privileges the powerful and leaves the developing world behind. Both U.S. and Mexican students were skeptical of the United Statesâ�?�? position as the dominant player in world politics, economics, and global culture, and students from both sides of the border lamented local culture loss in globalization.
Brown, Jennifer Gayle
Inexpensive Production of High Density Thin Ceramic Films on ...
Steven Visco, Lutgard DeJonghe, and Craig Jacobson have developed a simple, inexpensive method for producing high density, crack-free, thin ceramic ...
Method for Making Flat, High Performance Thin Membrane ...
Craig Jacobson, Lutgard DeJonghe, and Steven Visco have invented an improved colloidal deposition technique whereby high-quality films of a wide ...
Impact of Transverse Irregularities at the Photocathode on High...
OF TRANSVERSE IRREGULARITIES AT THE PHOTOCATHODE ON THE PRODUCTION OF HIGH-CHARGE ELECTRON BUNCHES M. Rihaoui, C.L. Bohn , Northern Illinois University, DeKalb,...
Single Crystal PWA 1472 in High Pressure Hydrogen
SINGLE CRYSTAL PWA 1472. IN HIGH PRESSURE HYDROGEN. D. P. DeLUCA, R. W. HATALA. UNITED TECHNOLOGIES. PRATT & WHITNEY. P. 0.
West Windsor-Plainsboro High School South wins regional Science...
West Windsor-Plainsboro High School South wins regional Science Bowl at PPPL A dramatic ending to High School Bowl sends local team to nationals By Jeanne Jackson DeVoe February...
Modelagem fenomenol�gica do desempenho de torres de resfriamento de �gua acopladas e estudo de casos.
??Neste trabalho foi realizada a modelagem fenomenol�gica do desempenho de uma torre de resfriamento de �gua e de um sistema de duas torres de resfriamento� (more)
Rafael Candido de Lima Junior
QSM GRANT RECIPIENTS 2011 -2012 Aimee Cowell Fifth Ward Junior High School St. Tammany
Orleans Cody Cole East Beauregard High School Beauregard Conchetta Tillery Live Oak Manor Jefferson Connie Conner DeRidder High School Beauregard Connie Myers Many Jr. High Sabine #12;QSM GRANT
Harms, Kyle E.
V�deos de veh�culo de c�lula de combustible
en su computadora, y Javascript debe de estar habilitado en su navegador. Vdeo del Toyota Highlander FCHV Toyota Highlander FCHV Rango de evaluacin junio 2009 Vdeo del...
High Performance Computing
High Performance Computing. Summary: High Performance Computing (HPC) enables work on challenging problems that ...
Information Science, Computing, Applied Math High Performance Computing High Performance Computing Providing world-class high performance computing capability that enables...
High Temperatures & Electricity Demand
High Temperatures & Electricity Demand An Assessment of Supply Adequacy in California Trends.......................................................................................................1 HIGH TEMPERATURES AND ELECTRICITY DEMAND.....................................................................................................................7 SECTION I: HIGH TEMPERATURES AND ELECTRICITY DEMAND ..........................9 BACKGROUND
Live Work with High Temperature Conductors
This report examines issues that may arise when live work is undertaken on conductors that operate at high temperatures (HT conductors) and provides the results from selected tests on the temperature levels reached by tools in contact with hot conductors. It also discusses possible concerns that may arise during de-energized work on lines that use HT conductors.
Identifica��o de par�metros de motor de indu��o linear tubular para extra��o de petr�leo.
??O presente trabalho apresenta a identifica��o de par�metros de motor de indu��o linear tubular para a extra��o de petr�leo, denominado de MAT�OS �� Motor Ass�ncrono� (more)
Wagner Marques Rossini
10 a ficha de exerccios de Mecanica Geometrica 20 de Maio de 2002
10 a ficha de exerc�??�cios de Mec�??anica Geom�??etrica 20 de Maio de 2002 1. (Problema de Dido): Seja f
Natário, José
Comparative Assessment of Direct Drive High Temperature Superconductin...
Energy, LLC. Contract No. DE-AC36-08GO28308 Comparative Assessment of Direct Drive High Temperature Superconducting Generators in Multi-Megawatt Class Wind Turbines B....
West Windsor-Plainsboro High School South wins regional Science Bowl at PPPL By Jeanne Jackson DeVoe February 25, 2013 Tweet Widget Facebook Like Google Plus One Next stop...
Revis�o tarif�ria e diferen�as regionais: Um estudo de concess�es de distribui��o de energia el�trica no Brasil.
??A partir de estudo do hist�rico da ind�stria de energia el�trica no Brasil, de revis�o de conceitos de Direito Administrativo, teoria geral de concess�es de� (more)
Erico Henrique Garcia de Brito
Electrical Transport Experiments at High Pressure
High-pressure electrical measurements have a long history of use in the study of materials under ultra-high pressures. In recent years, electrical transport experiments have played a key role in the study of many interesting high pressure phenomena including pressure-induced superconductivity, insulator-to-metal transitions, and quantum critical behavior. High-pressure electrical transport experiments also play an important function in geophysics and the study of the Earth's interior. Besides electrical conductivity measurements, electrical transport experiments also encompass techniques for the study of the optoelectronic and thermoelectric properties of materials under high pressures. In addition, electrical transport techniques, i.e., the ability to extend electrically conductive wires from outside instrumentation into the high pressure sample chamber have been utilized to perform other types of experiments as well, such as high-pressure magnetic susceptibility and de Haas-van Alphen Fermi surface experiments. Finally, electrical transport techniques have also been utilized for delivering significant amounts of electrical power to high pressure samples, for the purpose of performing high-pressure and -temperature experiments. Thus, not only do high-pressure electrical transport experiments provide much interesting and valuable data on the physical properties of materials extreme compression, but the underlying high-pressure electrical transport techniques can be used in a number of ways to develop additional diagnostic techniques and to advance high pressure capabilities.
Weir, S
High Speed High Dynamic Range High Accuracy Measurement System
Disclosure Number 201102747 Technology Summary The present invention measures a beam of protons that has a high dynamic range. Typically, one uses ...
Fitting Functions to Noisy Data in High Dimensions
Consider an arbitrary domain of interest in n-dimensional Euclidean space and an unknown function of n arguments defined on that domain. Suppose we are given the value of the function (perhaps perturbed with additive noise) at some set of points. The problem is to find a function that provides a reasonable approximation to the unknown one over the domain of interest. This paper presents a brief review of current methodology aimed at dealing with this problem, and presents a; new technique- multivariate adaptive regression splines- that has the potential to overcome some of the limitations of previous approaches. Suppose a system under study can be described (over some domain D E I?) by where y is a response or dependent variable of interest, ~1,..., 2, are a set of explanatory or inde-pendent variables, and f is a (deterministic) single valued function of its n-dimensional argument. The quantity c is an additive random or stochastic component that (if nonzero) reflects the fact
Jerome H. Friedman
Perfusion-based High-Resolution Functional Imaging in the Human Brain at 7 Tesla J. Pfeuffer, G. Adriany, A. Shmuel, E. Yacoub, P.-F. van de Moortele, X. Hu, K. Ugurbil
Perfusion-based High-Resolution Functional Imaging in the Human Brain at 7 Tesla J. Pfeuffer, G was made possible by signal-to-noise gains at the high magnetic field of 7 Tesla and by using a novel RF
Institut de Minralogie et de Physique des Milieux Condenss UMR 7590 CNRS UPMC
in the vicinity of uranium mine tailings sites or for the safety assessment of potential high-level nuclear waste Spéciation de l'uranium dans l'environnement : Application aux opales de Nopal I (Mexique) et aux résidus nucléaires à haute activité. La spéciation de l'uranium, influencée par de nombreux facteurs biotiques ou
Descargue Datos de Ahorro de Combustible
Descargue Datos de Ahorro de Combustible Descargue Datos de Ahorro de Combustible Los datos de ahorro de combustible son el resultado de las pruebas realizadas en el Laboratorio de Emisiones de Combustible y Vehículos de la Agencia Nacional de Protección del Medio Ambiente en Ann Arbor, Michigan y por fabricantes de automóviles, con la supervisión de la EPA. Archivo Descargable de Ahorro de Combustible Archivo* de la Guía de Ahorremos Gasolina Archivo 2014 No Disponible Archivo 2013 de la Guía de Ahorremos Gasolina 2013 Ícono de Adobe Acrobat Archivo 2012 de la Guía de Ahorremos Gasolina 2012 Ícono de Adobe Acrobat Archivo 2011 de la Guía de Ahorremos Gasolina 2011 Ícono de Adobe Acrobat Archivo 2010 de la Guía de Ahorremos Gasolina 2010 Ícono de Adobe Acrobat Archivo 2009 de la Guía de Ahorremos Gasolina 2009 Ícono de Adobe Acrobat
Final Report for DOE Grant DE-FG02-03ER25579; Development of High-Order Accurate Interface Tracking Algorithms and Improved Constitutive Models for Problems in Continuum Mechanics with Applications to Jetting
Much of the work conducted under the auspices of DE-FG02-03ER25579 was characterized by an exceptionally close collaboration with researchers at the Lawrence Berkeley National Laboratory (LBNL). For example, Andy Nonaka, one of Professor Miller's graduate students in the Department of Applied Science at U. C. Davis (UCD) wrote his PhD thesis in an area of interest to researchers in the Applied Numerical Algorithms Group (ANAG), which is a part of the National Energy Research Supercomputer Center (NERSC) at LBNL. Dr. Nonaka collaborated closely with these researchers and subsequently published the results of this collaboration jointly with them, one article in a peer reviewed journal article and one paper in the proceedings of a conference. Dr. Nonaka is now a research scientist in the Center for Computational Sciences and Engineering (CCSE), which is also part of the National Energy Research Supercomputer Center (NERSC) at LBNL. This collaboration with researchers at LBNL also included having one of Professor Puckett's graduate students in the Graduate Group in Applied Mathematics (GGAM) at UCD, Sarah Williams, spend the summer working with Dr. Ann Almgren, who is a staff scientist in CCSE. As a result of this visit Sarah decided work on a problem suggested by the head of CCSE, Dr. John Bell, for her PhD thesis. Having finished all of the coursework and examinations required for a PhD, Sarah stayed at LBNL to work on her thesis under the guidance of Dr. Bell. Sarah finished her PhD thesis in June of 2007. Writing a PhD thesis while working at one of the University of California (UC) managed DOE laboratories is long established tradition at UC and Professor Puckett has always encouraged his students to consider doing this. Another one of Professor Puckett's graduate students in the GGAM at UCD, Christopher Algieri, was partially supported with funds from DE-FG02-03ER25579 while he wrote his MS thesis in which he analyzed and extended work originally published by Dr. Phillip Colella, the head of ANAG, and some of his colleagues. Chris Algieri is now employed as a staff member in Dr. Bill Collins' Climate Science Department in the Earth Sciences Division at LBNL working with computational models of climate change. Finally, it should be noted that the work conducted by Professor Puckett and his students Sarah Williams and Chris Algieri and described in this final report for DOE grant # DE-FC02-03ER25579 is closely related to work performed by Professor Puckett and his students under the auspices of Professor Puckett's DOE SciDAC grant DE-FC02-01ER25473 An Algorithmic and Software Framework for Applied Partial Differential Equations: A DOE SciDAC Integrated Software Infrastructure Center (ISIC). Dr. Colella was the lead PI for this SciDAC grant, which was comprised of several research groups from DOE national laboratories and five university PI's from five different universities. In theory Professor Puckett tried to use funds from the SciDAC grant to support work directly involved in implementing algorithms developed by members of his research group at UCD as software that might be of use to Puckett's SciDAC CoPIs. (For example, see the work reported in Section 2.2.2 of this final report.) However, since there is considerable lead time spent developing such algorithms before they are ready to become `software' and research plans and goals change as the research progresses, Professor Puckett supported each member of his research group partially with funds from the SciDAC APDEC ISIC DE-FC02-01ER25473 and partially with funds from this DOE MICS grant DE-FC02-03ER25579. This has necessarily resulted in a significant overlap of project areas that were funded by both grants. In particular, both Sarah Williams and Chris Algieri were supported partially with funds from grant # DE-FG02-03ER25579, for which this is the final report, and in part with funds from Professor Puckett's DOE SciDAC grant # DE-FC02-01ER25473. For example, Sarah Williams received support from DE-FC02- 01ER25473 and DE-FC02-03ER25579, both while at UCD taking cla
Puckett, Elbridge Gerry [U.C. Davis, Department of Mathematics; Miller, Gregory Hale [.C. Davis, Department of Chemical Engineering
High Performance Rooftop Units
Presentationname High Performance RTUs Life Cycle Cost Comparison Calculator * Web-based tool for comparing costs of standard and high performance RTUs. * Weather data for 237...
High Performance Networks for High Impact Science
This workshop was the first major activity in developing a strategic plan for high-performance networking in the Office of Science. Held August 13 through 15, 2002, it brought together a selection of end users, especially representing the emerging, high-visibility initiatives, and network visionaries to identify opportunities and begin defining the path forward.
Scott, Mary A.; Bair, Raymond A.
Cross-Language High Similarity Search Using a Conceptual Thesaurus
Cross-Language High Similarity Search Using a Conceptual Thesaurus Parth Gupta, Alberto Barr Universitat Polit`ecnica de Val`encia, Spain {pgupta,lbarron,email@example.com http://www.dsic.upv.es/grupos/nle Abstract. This work addresses the issue of cross-language high similarity and near-duplicates search, where
Rosso, Paolo
3 a ficha de exerccios de Mecanica Geometrica 25 de Marco de 2002
3 a ficha de exerc�??�cios de Mec�??anica Geom�??etrica 25 de Mar�?�co de 2002 1. O oscilador harm
Viabilidade t�cnica e econ�mica de implanta��o de cogera��o no setor de beneficiamento de madeira.
??O desevolvimento de um estudo de viabilidade econ�mica e projeto de uma planta de cogera��o. iniciados em 2001, foi o objetivo deste estudo. Neste sentido,� (more)
Wilson Antunes Junior
5 a ficha de exerccios de Mecanica Geometrica 9 de Abril de 2002
5 a ficha de exerc�??�cios de Mec�??anica Geom�??etrica 9 de Abril de 2002 1. Escreva as equa�?�c�?�oes do
11 a ficha de exerccios de Mecanica Geometrica 20 de Maio de 2002
11 a ficha de exerc�??�cios de Mec�??anica Geom�??etrica 20 de Maio de 2002 1. Dados # # C # (R 3 ) e
4 a ficha de exerccios de Mecanica Geometrica 1 de Abril de 2002
4 a ficha de exerc�??�cios de Mec�??anica Geom�??etrica 1 de Abril de 2002 1. Seja (Q, #·, ·#) uma
12 a ficha de exerccios de Mecanica Geometrica 27 de Maio de 2002
12 a ficha de exerc�??�cios de Mec�??anica Geom�??etrica 27 de Maio de 2002 1. Seja (M,#) uma variedade
8 a ficha de exerccios de Mecanica Geometrica 30 de Abril de 2002
8 a ficha de exerc�??�cios de Mec�??anica Geom�??etrica 30 de Abril de 2002 1. Mostre que se a distribui
Valoriza��o de �leos de peixe para a produ��o de biodiesel.
??Tese de mestrado integrado. Engenharia Qu�mica. Faculdade de Engenharia. Universidade do Porto, Instituto Superior de Engenharia do Porto. 2010 Advisors/Committee Members: Mata, Teresa� (more)
Vilela, Le�nia Alexandra Neves
Distributed computational fluid dynamics
that arises in these practical turbulent combustion pro- cesses is a strong coupling between turbulence, chemical kinetics and heat release. These interactions are generally three dimensional and time de- pendent, and are not easily accessible to experimental... and at university and national level by very large massively-parallel supercomputers. Therefore, CFD offers a major opportunity for the development and application of Grid technology in engineering and forms the motivation for the present study. A difficulty...
Jenkins, K; Yang, Xiaobo; Hayes, Mark; Cant, Stewart R
Final Technical Report for DE-FG02-06ER15835: Chemical Imaging with 100nm Spatial Resolution: Combining High Resolution Flurosecence Microscopy and Ion Mobility Mass Spectrometry
We have combined, in a single instrument, high spatial resolution optical microscopy with the chemical specificity and conformational selectivity of ion mobility mass spectrometry. We discuss the design and construction of this apparatus as well as our efforts in applying this technique to thin films of molecular semiconductor materials.
Buratto, Steven K. [UC Santa Barbara
La gestion de crise : cas de Toyota.
??Toyota, g�ant mondial de l'industrie automobile, qui a su durant plusieurs d�cennies maintenir sa sup�riorit�, la qualit� de ses produits et la fid�lit� de ses� (more)
Hafyane, Omar
High power microwave generator
DOE Patents (OSTI)
A microwave generator efficiently converts the energy of an intense relativistic electron beam (REB) into a high-power microwave emission using the Smith-Purcell effect which is related to Cerenkov radiation. Feedback for efficient beam bunching and high gain is obtained by placing a cylindrical Smith-Purcell transmission grating on the axis of a toroidal resonator. High efficiency results from the use of a thin cold annular highly-magnetized REB that is closely coupled to the resonant structure.
Ekdahl, C.A.
Ekdahl, Carl A. (Albuquerque, NM)
High Speed Electronics
High Speed Electronics. ... optic sampling system provides traceability for our electrical waveform measurements ... Metrology for Electronic Packaging. ...
High-Dielectric Constant, High-Temperature Ceramic Capacitors for ...
Growth of Thick, On-Axis SiC Epitaxial Layers by High Temperature Halide CVD for High Voltage Power Devices � High-Dielectric Constant, High-Temperature�...
High Performance Computing in
High Performance Computing in Bioinformatics Thomas Ludwig (email@example.com) Ruprecht PART I: High Performance Computing Thomas Ludwig PART II: HPC Computing in Bioinformatics Alexandros #12;© Thomas Ludwig, Alexandros Stamatakis, GCB'04 3 PART I High Performance Computing Introduction
Stamatakis, Alexandros
High performance systems
This document provides a written compilation of the presentations and viewgraphs from the 1994 Conference on High Speed Computing given at the High Speed Computing Conference, {open_quotes}High Performance Systems,{close_quotes} held at Gleneden Beach, Oregon, on April 18 through 21, 1994.
Vigil, M.B. [comp.
, Puerto Rico. Keywords --surface, temperature, albedo, energy, urbanization, NDVI, land use. I Rico Ana J. Picón-Feliciano Departmento de Ingeniería Eléctrica y Computadores Universidad de Puerto) in San Juan, Puerto Rico. Temperatures as high as 60°C over the developed areas differ from temperatures
Gilbes, Fernando
High power, high beam quality regenerative amplifier
A regenerative laser amplifier system generates high peak power and high energy per pulse output beams enabling generation of X-rays used in X-ray lithography for manufacturing integrated circuits. The laser amplifier includes a ring shaped optical path with a limited number of components including a polarizer, a passive 90 degree phase rotator, a plurality of mirrors, a relay telescope, and a gain medium, the components being placed close to the image plane of the relay telescope to reduce diffraction or phase perturbations in order to limit high peak intensity spiking. In the ring, the beam makes two passes through the gain medium for each transit of the optical path to increase the amplifier gain to loss ratio. A beam input into the ring makes two passes around the ring, is diverted into an SBS phase conjugator and proceeds out of the SBS phase conjugator back through the ring in an equal but opposite direction for two passes, further reducing phase perturbations. A master oscillator inputs the beam through an isolation cell (Faraday or Pockels) which transmits the beam into the ring without polarization rotation. The isolation cell rotates polarization only in beams proceeding out of the ring to direct the beams out of the amplifier. The diffraction limited quality of the input beam is preserved in the amplifier so that a high power output beam having nearly the same diffraction limited quality is produced.
Hackel, Lloyd A. (Livermore, CA); Dane, Clifford B. (Livermore, CA)
Hackel, L.A.; Dane, C.B.
Information Science, Computing, Applied Math » Information Science, Computing, Applied Math » High Performance Computing High Performance Computing Providing world-class high performance computing capability that enables unsurpassed solutions to complex problems of strategic national interest Gary Grider High Performance Computing Division Leader Randal Rheinheimer High Performance Computing Deputy Division Leader Contact Us Carol Hogsett Student/Internship Opportunities Email Division Office Email Managing world-class supercomputing centers Powerall simulations modeling Read caption + The Powerwall is used by LANL scientists to view objects and processes in 3D. High Performance Computing video 13:01 Gary Grider, HPC Divison Leader The High Performance Computing (HPC) Division supports the Laboratory mission by managing world-class Supercomputing Centers.
Brookhaven High Energy Physics
High-Energy Physics High-Energy Physics High-energy physicists probe the properties and behavior of the most elementary particles in the universe. At the Alternating Gradient Synchrotron (AGS), they perform experiments of unique sensitivity using high-intensity, intermediate-energy beams. The AGS currently provides the world's most intense high-energy proton beam. It is also the world's most versatile accelerator, accelerating protons, polarized protons, and heavy ions to near the speed of light. Magnet system at Brookhaven used to measure the magnetic moment of the muon. Important discoveries in high-energy physics were made at the AGS within the last decade. An international collaboration, including key physicists from Brookhaven, performed a very high-precision measurement of a property
Precios de Gasolina
Precios de Gasolina para Ciudades en EEUU Pulse en el mapa para ver los precios de la gasolina en diferentes ciudades de su estado. AK VT ME NH NH MA MA RI CT CT DC NJ DE DE NY WV...
de recherche ISSN0249-6399ISRNINRIA/RR--7589--FR+ENG
Robert Theme : Distributed and High Performance Computing ´Equipe-Projet GRAAL Rapport de recherche napport de recherche ISSN0249-6399ISRNINRIA/RR--7589--FR+ENG Distributed and High Performance Computing INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE Models and complexity results
Benoit, Anne
Edmund G. Brown Jr. HIGH-PERFORMANCE HIGH-TECH
. DE-FG02-88ER45372); computational resources provided by NERSC. REFERENCES [1] Streintz F., Ann. Phys
A high voltage and current spark gap switch comprising two main electrodes insulatingly supported in opposed spaced relationship and a middle electrode supported medially between the main electrodes and symmetrically about the median line of the main electrodes is described. The middle electrode has a perforation aligned with the median line and an irradiation electrode insulatingly supported in the body of the middle electrode normal to the median line and protruding into the perforation. (AEC)
Dike, R.S.; Lier, D.W.; Schofield, A.E.; Tuck, J.L.
High output lamp with high brightness
An ultra bright, low wattage inductively coupled electrodeless aperture lamp is powered by a solid state RF source in the range of several tens to several hundreds of watts at various frequencies in the range of 400 to 900 MHz. Numerous novel lamp circuits and components are disclosed including a wedding ring shaped coil having one axial and one radial lead, a high accuracy capacitor stack, a high thermal conductivity aperture cup and various other aperture bulb configurations, a coaxial capacitor arrangement, and an integrated coil and capacitor assembly. Numerous novel RF circuits are also disclosed including a high power oscillator circuit with reduced complexity resonant pole configuration, parallel RF power FET transistors with soft gate switching, a continuously variable frequency tuning circuit, a six port directional coupler, an impedance switching RF source, and an RF source with controlled frequency-load characteristics. Numerous novel RF control methods are disclosed including controlled adjustment of the operating frequency to find a resonant frequency and reduce reflected RF power, controlled switching of an impedance switched lamp system, active power control and active gate bias control.
Kirkpatrick, Douglas A. (Great Falls, VA); Bass, Gary K. (Mt. Airy, MD); Copsey, Jesse F. (Germantown, MD); Garber, Jr., William E. (Poolesville, MD); Kwong, Vincent H. (Vancouver, CA); Levin, Izrail (Silver Spring, MD); MacLennan, Donald A. (Gaithersburg, MD); Roy, Robert J. (Frederick, MD); Steiner, Paul E. (Olney, MD); Tsai, Peter (Olney, MD); Turner, Brian P. (Damascus, MD)
High temperature furnace
A high temperature furnace for use above 2000.degree.C is provided that features fast initial heating and low power consumption at the operating temperature. The cathode is initially heated by joule heating followed by electron emission heating at the operating temperature. The cathode is designed for routine large temperature excursions without being subjected to high thermal stresses. A further characteristic of the device is the elimination of any ceramic components from the high temperature zone of the furnace.
Borkowski, Casimer J. (Oak Ridge, TN)
High temperature refrigerator
A high temperature magnetic refrigerator which uses a Stirling-like cycle in which rotating magnetic working material is heated in zero field and adiabatically magnetized, cooled in high field, then adiabatically demagnetized. During this cycle said working material is in heat exchange with a pumped fluid which absorbs heat from a low temperature heat source and deposits heat in a high temperature reservoir. The magnetic refrigeration cycle operates at an efficiency 70% of Carnot.
Steyert, Jr., William A. (Los Alamos, NM)
High-Tc Superconductor
Synchrotron Radiation Laboratory, Stanford University, Stanford, CA 94305 High-temperature superconductors (HTSC's), following their remarkable discovery in 1986, continue to be at...
.NET High Performance Computing.
?? Graphics Processing Units (GPUs) have been extensively applied in the High Performance Computing (HPC) community. HPC applications require additional special programming environments to improve� (more)
Ou, Hsuan-Hsiu
High Energy Physics
Untitled Document Argonne Logo DOE Logo High Energy Physics Division Home Division ES&H Personnel Publications HEP Awards HEP Computing HEP Committees Administration...
High Temperature Corrosion
Oct 18, 2010 ... Protective Coatings for Corrosion Resistance at High Temperatures: Vilupanur Ravi1; Thuan Nguyen1; Alexander Ly1; Kameron Harmon1;�...
High-Dose Dosimetry
... web page below. Service descriptions and price schedule for NIST high-dose services are found in this link. The intention ...
High Performance Tooling Materials
High performance tools are necessary for the successful manufacturing of every consumer product as well as oil drilling and mining operations. Increasing�...
High energy mode locked fiber oscillators for high contrast, high energy petawatt laser seed sources
In a high-energy petawatt laser beam line the ASE pulse contrast is directly related to the total laser gain. Thus a more energetic input pulse will result in increased pulse contrast at the target. We have developed a mode-locked fiber laser with high quality pulses and energies exceeding 25nJ. We believe this 25nJ result is scalable to higher energies. This oscillator has no intra-cavity dispersion compensation, which yields an extremely simple, and elegant laser configuration. We will discuss the design of this laser, our most recent results and characterization of all the key parameters relevant to it use as a seed laser. Our oscillator is a ring cavity mode-locked fiber laser [1]. These lasers operate in a self-similar pulse propagation regime characterized by a spectrum that is almost square. This mode was found theoretically [2] to occur only in the positive dispersion regime. Further increasing positive dispersion should lead to increasing pulse energy [2]. We established that the positive dispersion required for high-energy operation was approximately that of 2m of fiber. To this end, we constructed a laser cavity similar to [1], but with no gratings and only 2m of fiber, which we cladding pumped in order to ensure sufficient pump power was available to achieve mode-locked operation. A schematic of the laser is shown in figure 1 below. This laser produced low noise 25nJ pulses with a broad self similar spectrum (figure 2) and pulses that could be de-chirped to <100fs (figure 3). Pulse contrast is important in peta-watt laser systems. A major contributor to pulse contrast is amplified spontaneous emission (ASE), which is proportional to the gain in the laser chain. As the oscillator strength is increased, the required gain to reach 1PW pulses is decreased, reducing ASE and improving pulse contrast. We believe these lasers can be scaled in a stable fashion to pulse energies as high as 100nJ and have in fact seen 60nJ briefly in our lab, which is work still in progress. At this level, even if the pulses are not perfect, post-oscillator pulse cleaning can be used to create a clean high energy pulse for injection into a peta-watt laser beam line.
Dawson, J W; Messerly, M J; An, J; Kim, D; Barty, C J
High temperature sensor
A high temperature sensor includes a pair of electrical conductors separated by a mass of electrical insulating material. The insulating material has a measurable resistivity within the sensor that changes in relation to the temperature of the insulating material within a high temperature range (1,000 to 2,000 K.). When required, the sensor can be encased within a ceramic protective coating.
Tokarz, Richard D. (West Richland, WA)
Electrolysis � High Temperature � Hydrogen
INL has developed a high-temperature process the utilizes solid oxide fuel cells that are operated in the electrolytic mode. The first process includes combining a high-temperature heat source (e.g. nuclear reactor) with a hydrogen production facility ...
High density photovoltaic
Photovoltaic technology can directly generate high voltages in a solid state material through the series interconnect of many photovoltaic diodes. We are investigating the feasibility of developing an electrically isolated, high-voltage power supply using miniature photovoltaic devices that convert optical energy to electrical energy.
Haigh, R.E.; Jacobson, G.F.; Wojtczuk, S. [Spire Corp., Bedford, MA (United States)
High power, high frequency, vacuum flange
This invention is comprised of an improved waveguide flange is disclosed for high power operation that helps prevent arcs from being initiated at the junctions between waveguide sections. The flanges at the end of the waveguide sections have counterbores surrounding the waveguide tubes. When the sections are bolted together the counterbores form a groove that holds a fully annealed copper gasket. Each counterbore has a beveled step that is specially configured to insure the gasket forms a metal-to-metal vacuum seal without gaps or sharp edges. The resultant inner surface of the waveguide is smooth across the junctions between waveguide sections, and arcing is prevented.
Felker, B.; McDaniel, M.
Ciudad Universitaria 7 de junio de 2012
LAACADEMIA Proyecto conjunto de Química y Pemex Su objetivo: mejorar las competencias para la ejecución de para la Ejecución de Proyectos de Capital en Pemex, con el objetivo de incrementar, homologar y Universidad y Pemex, apuntó. Asu vez, Jorge Manuel Vázquez Ra- mos, director de la Facultad de Química, señaló
Islas, León
Estudo de gera��o de ru�do em reatores de n�cleo de ar.
??Reatores el�tricos s�o equipamentos utilizados principalmente para limitar a corrente de curto-circuito ao longo de alguns sistemas, inibir a forma��o de tens�es muito inst�veis em� (more)
Thiago Antonio Fiorentin
Viabilidade de utiliza��o de um comp�sito a partir de res�duos para a constru��o de casas populares.
??Construiu-se uma unidade habitacional utilizando um comp�sito constitu�do de gesso, EPS, borracha triturada, areia e �gua e foram realizados estudos de conforto t�rmico e de� (more)
�verton Rodrigo Barbosa Gomes
Evaluaci�n de la generaci�n de gases de efecto invernadero asociados al ciclo de vida de los biocombustibles colombianos = Assessment of greenhouse gases emissions associated to colombian biofuels lifecycle.
??Valencia Botero, Monica Julieth (2012) Evaluaci�n de la generaci�n de gases de efecto invernadero asociados al ciclo de vida de los biocombustibles colombianos = Assessment� (more)
Valencia Botero, Monica Julieth
High Performance Computing Managing world-class supercomputing centers Read caption + The Powerwall is used by LANL scientists to view objects and processes in 3D. 13:01 Gary...
High Performance Sustainable Buildings
become a High Performance Sustainable Building in 2013. On the former County landfill, a photovoltaic array field uses solar energy to provide power for Los Alamos County and the...
High pressure furnace
A high temperature high pressure furnace has a hybrid partially externally heated construction. A metallic vessel fabricated from an alloy having a composition of at least 45% nickel, 15% chrome, and 10% tungsten is utilized (the preferred alloy including 55% nickel, 22% chrome, 14% tungsten, 2% molybdenum, 3% iron (maximum) and 5% cobalt (maximum). The disclosed alloy is fabricated into 11/4 or 2 inch, 32 mm or 50 mm bar stock and has a length of about 22 inches, 56 cm. This bar stock has an aperture formed therein to define a closed high temperature, high pressure oxygen chamber. The opposite and closed end of the vessel is provided with a small blind aperture into which a thermocouple can be inserted. The closed end of the vessel is inserted into an oven, preferably heated by standard nickel chrome electrical elements and having a heavily insulated exterior.
Morris, Donald E. (Kensington, CA)
High pressure oxygen furnace
A high temperature high pressure oxygen furnace having a hybrid partially externally heated construction is disclosed. A metallic bar fabricated from an alloy having a composition of at least 45% nickel, 15% chrome, and 10% tungsten is utilized, the preferred alloy including 55% nickel, 22% chrome, 14% tungsten, 2% molybdenum, 3% iron (maximum) and 5% cobalt (maximum). The disclosed alloy is fabricated into 11/4 inch bar stock and has a length of about 17 inches. This bar stock is gun drilled for over 16 inches of its length with 0.400 inch aperture to define a closed high temperature, high pressure oxygen chamber. The opposite and closed end of the bar is provided with a small support aperture into which both a support and a thermocouple can be inserted. The closed end of the gun drilled bar is inserted into an oven, preferably heated by standard nickel chrome electrical elements and having a heavily insulated exterior. 5 figs.
Morris, D.E.
A high temperature high pressure oxygen furnace having a hybrid partially externally heated construction is disclosed. A metallic bar fabricated from an alloy having a composition of at least 45% nickel, 15% chrome, and 10% tungsten is utilized (the preferred alloy including 55% nickel, 22% chrome, 14% tungsten, 2% molybdenum, 3% iron (maximum) and 5% cobalt (maximum). The disclosed alloy is fabricated into 11/4 inch bar stock and has a length of about 17 inches. This bar stock is gun drilled for over 16 inches of its length with 0.400 inch aperture to define a closed high temperature, high pressure oxygen chamber. The opposite and closed end of the bar is provided with a small support aperture into which both a support and a thermocouple can be inserted. The closed end of the gun drilled bar is inserted into an oven, preferably heated by standard nickel chrome electrical elements and having a heavily insulated exterior.
A high temperature high pressure furnace has a hybrid partially externally heated construction. A metallic vessel fabricated from an alloy having a composition of at least 45% nickel, 15% chrome, and 10% tungsten is utilized (the preferred alloy including 55% nickel, 22% chrome, 14% tungsten, 2% molybdenum, 3% iron (maximum) and 5% cobalt (maximum)). The disclosed alloy is fabricated into 11/4 or 2 inch, 32 mm or 50 mm bar stock and has a length of about 22 inches, 56 cm. This bar stock has an aperture formed therein to define a closed high temperature, high pressure oxygen chamber. The opposite and closed end of the vessel is provided with a small blind aperture into which a thermocouple can be inserted. The closed end of the vessel is inserted into an oven, preferably heated by standard nickel chrome electrical elements and having a heavily insulated exterior. 19 figures.
Creating high performance enterprises
How do enterprises successfully conceive, design, deliver, and operate large-scale, engineered systems? These large-scale projects often involve high complexity, significant technical challenges, a large number of diverse ...
Stanke, Alexis K. (Alexis Kristen), 1977-
High-Level Real-Time Concurrency
The primary goal of all real-time systems is predictability. Achieving this goal requires all levels of the system to be well de ned and have a xed worst-case execution time. These needs have resulted in the creation of overly restrictive commercial real-time systems providing only ad-hoc scheduling facilities and basic concurrent functionality. Ad-hoc scheduling makes developing, verifying, and maintaining a real-time system extremely dicult and time consuming. Basic concurrent functionality forces programmers to develop complex concurrent programs without the aid of high-level concurrency features.
Ashif S. Harji; C Ashif S. Harji
High Performance Window Attachments
High Performance Window High Performance Window Attachments D. Charlie Curcija Lawrence Berkeley National Laboratory firstname.lastname@example.com 510-495-2602 April 4, 2013 2 | Building Technologies Office eere.energy.gov Purpose & Objectives Impact of Project: * Motivate manufacturers to make improvements in Window systems U-Factors, SHGC and daylighting utilization * Increase awareness of benefits from energy efficient window attachments Problem Statement: * A wide range of residential window attachments are available, but they have widely unknown
High-temperature sensor
A high temperature sensor is described which includes a pair of electrical conductors separated by a mass of electrical insulating material. The insulating material has a measurable resistivity within the sensor that changes in relation to the temperature of the insulating material within a high temperature range (1000 to 2000/sup 0/K). When required, the sensor can be encased within a ceramic protective coating.
Not Available
High Burnup Effects Program
This is the final report of the High Burnup Effects Program (HBEP). It has been prepared to present a summary, with conclusions, of the HBEP. The HBEP was an international, group-sponsored research program managed by Battelle, Pacific Northwest Laboratories (BNW). The principal objective of the HBEP was to obtain well-characterized data related to fission gas release (FGR) for light water reactor (LWR) fuel irradiated to high burnup levels. The HBEP was organized into three tasks as follows: Task 1 -- high burnup effects evaluations; Task 2 -- fission gas sampling; and Task 3 -- parameter effects study. During the course of the HBEP, a program that extended over 10 years, 82 fuel rods from a variety of sources were characterized, irradiated, and then examined in detail after irradiation. The study of fission gas release at high burnup levels was the principal objective of the program and it may be concluded that no significant enhancement of fission gas release at high burnup levels was observed for the examined rods. The rim effect, an as yet unquantified contributor to athermal fission gas release, was concluded to be the one truly high-burnup effect. Though burnup enhancement of fission gas release was observed to be low, a full understanding of the rim region and rim effect has not yet emerged and this may be a potential area of further research. 25 refs., 23 figs., 4 tabs.
Barner, J.O.; Cunningham, M.E.; Freshley, M.D.; Lanning, D.D.
Office of Scientific and Technical Information (OSTI)
29472 29472 DE91 004112 m RFQ's- AN INTRODUCTION I John W. Staples Lawrence Berkeley Laboratory University of California Berkeley, California 94720 September 1990 This work supported by the Director, Office 11 of Energy Research, Office of High Energy and Nuclear Physics, Nuclear Science Divi- sion, U. S. Department of Energy under con- tract number DE-AC03-76SF00098. LBI,-29472 RFQs An Introduction * _ _ John W. Staples b 'La u,Tr77ceBerkeley Laboratory, University of Califor77ia, Berkeley, CA 9.4720 Q Contents 1 Introduction 1 2 RFQ Characteristics 1 2.1 Bunching ............................... 2 2.2 RFQ Energy Limit .......................... 2 3 Low Velocity Accelerators 3 3.1 Sloan-Lawrence Accelerators ..................... 3 3.2 Alvarez Accelerators ......................... ,1 4 Alternating-Gradient Focusing 4 4.1 Electrostatic Quadrupoles ......................
31721 31721 DE93 001574 High-Albedo Materials for Reducing Building Cooling Energy Use. January 1992 Prepared by Haider Taha, David Sailor, Hashem Akbari Energy and Environment Division Lawrence Berkeley Laboratory University of California Berkeley, CA 94720 This work was jointly supported by the California Institute for Energy Efficiency (CIEE) and the Sacramento Municipal Utility District through the U.S. Department of Energy, under contract DE-AC0376SF00098. .@ * . ..... +,. ...... i:++: " .... "'S>4 +_ " +++ _+'++"_"' `++ :k4t._ J+ "+" '_'" DISCLAIMER The research reported here was funded in part by the California Institute for Energy Efficiency (CIEE), a research unit of the University of California. Publication of research results does not imply CIEE endorsement of or agreement with these findings, nor that of any CIEE sponsor.
High-temperature deformation in the Neoproterozoic transpressional Ribeira belt, southeast Brazil
High-temperature deformation in the Neoproterozoic transpressional Ribeira belt, southeast Brazil^ncias da Universidade de Sa~o Paulo, Rua do Lago 562, Cep: 05508-080, Sa~o Paulo, SP, Brazil b Laboratoire Geologia, Universidade Federal de Ouro Preto, 35400-000, Ouro Pre^to, MG, Brazil Received 5 April 2001
Bascou, Jérôme
statistiques P. Lafaye de Micheaux, R. Drouilhet, B. Liquet, 2010, Springer les ouvrages de la série Use R
Dejean, Sébastien
NETL: A Low Cost, High Capacity Regenerable Sorbent for Pre-combustion...
A Low Cost, High Capacity Regenerable Sorbent for Pre-combustion CO2 Capture Project No.: DE-FE0000469 TDA Research (TDA) is testing and validating the technical and economic...
Closeout for U.S. Department of Energy Final Technical Report for University of Arizona grant DOE Award Number DE-FG03-95ER40906 From 1 February 1995 to 31 January 2004 Grant title: Theory and Phenomenology of Strong and Weak High Energy Physics (Task A) and Experimental Elementary Particle Physics (Task B)
The following pages describe the high energy physics program at the University of Arizona which was funded by DOE grant DE-FG03-95ER40906, for the period 1 February 1995 to 31 January 2004. In this report, emphasis was placed on more recent accomplishments. This grant was divided into two tasks, a theory task (Task A) and an experimental task (Task B but called Task C early in the grant period) with separate budgets. Faculty supported by this grant, for at least part of this period, include, for the theory task, Adrian Patrascioiu (now deceased), Ina Sarcevic, and Douglas Toussaint., and, for the experimental task, Elliott Cheu, Geoffrey Forden, Kenneth Johns, John Rutherfoord, Michael Shupe, and Erich Varnes. Grant monitors from the Germantown DOE office, overseeing our grant, changed over the years. Dr. Marvin Gettner covered the first years and then he retired from the DOE. Dr. Patrick Rapp worked with us for just a few years and then left for a position at the University of Puerto Rico. Dr. Kathleen Turner took his place and continues as our grant monitor. The next section of this report covers the activities of the theory task (Task A) and the last section the activities of the experimental task (Task B).
Rutherfoord, John; Toussaint, Doug; Sarcevic, Ina
1 a ficha de exerccios de Mecanica Geometrica 11 de Marco de 2002
1 a ficha de exerc�??�cios de Mec�??anica Geom�??etrica 11 de Mar�?�co de 2002 1. Mostre que se g = g ij dx
High Temperature Capacitor Development
The absence of high-temperature electronics is an obstacle to the development of untapped energy resources (deep oil, gas and geothermal). US natural gas consumption is projected to grow from 22 trillion cubic feet per year (tcf) in 1999 to 34 tcf in 2020. Cumulatively this is 607 tcf of consumption by 2020, while recoverable reserves using current technology are 177 tcf. A significant portion of this shortfall may be met by tapping deep gas reservoirs. Tapping these reservoirs represents a significant technical challenge. At these depths, temperatures and pressures are very high and may require penetrating very hard rock. Logistics of supporting 6.1 km (20,000 ft) drill strings and the drilling processes are complex and expensive. At these depths up to 50% of the total drilling cost may be in the last 10% of the well depth. Thus, as wells go deeper it is increasingly important that drillers are able to monitor conditions down-hole such as temperature, pressure, heading, etc. Commercial off-the-shelf electronics are not specified to meet these operating conditions. This is due to problems associated with all aspects of the electronics including the resistors and capacitors. With respect to capacitors, increasing temperature often significantly changes capacitance because of the strong temperature dependence of the dielectric constant. Higher temperatures also affect the equivalent series resistance (ESR). High-temperature capacitors usually have low capacitance values because of these dielectric effects and because packages are kept small to prevent mechanical breakage caused by thermal stresses. Electrolytic capacitors do not operate at temperatures above 150oC due to dielectric breakdown. The development of high-temperature capacitors to be used in a high-pressure high-temperature (HPHT) drilling environment was investigated. These capacitors were based on a previously developed high-voltage hybridized capacitor developed at Giner, Inc. in conjunction with a unique high-temperature electrolyte developed during the course of the program. During this program the feasibility of operating a high voltage hybridized capacitor at 230oC was demonstrated. Capacitor specifications were established in conjunction with potential capacitor users. A method to allow for capacitor operation at both ambient and elevated temperatures was demonstrated. The program was terminated prior to moving into Phase II due to a lack of cost-sharing funds.
John Kosek
Seminario de Matemtica Aplicada
sentido de la mecanica clasica. El proposito de esta platica es, por un lado, dar un breve resumen del
Tradacete, Pedro
Program on Technology Innovation: Very High Efficiency Photovoltaics Research at IRDEP
This is an interim report on the collaborative activities of Centre National de la Recherche Scientifique (CNRS) and Electricit� de France (EDF) R&D to advance the state of high-efficiency photovoltaics (PV). These efforts are principally concerned with basic research to enhance the longer-term prospects of very high-efficiency PV, but they may also produce nearer-term outcomes in the shape of improved conversion efficiency for existing technologies.
White LED with High Package Extraction Efficiency
WHITE LED WITH HIGH PACKAGE WHITE LED WITH HIGH PACKAGE EXTRACTION EFFICIENCY Final Report Report Period Start Date: 10/01/2006 Report Period End Date: 09/30/2008 Authors: Yi Zheng and Matthew Stough Report Submission Date: November 2008 DOE Award Number: DE-FC26-06NT42935 Project Manager: Ryan Egidi OSRAM SYLVANIA Product Inc Central Research and Service Laboratory 71 Cherry Hill Dr., Beverly, MA 01915 2 DISCLAIMER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor an agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus,
Fragilizaci�n por hidr�geno en tuber�as de acero.
??Se pretende analizar el comportamiento en presencia de hidrogeno de las tuber�as de acero de sistemas de transporte de combustibles gaseosos en uso para ello:� (more)
Guti�rrez-Solana Salcedo, Federico
Materials in High Temperature Applications
Oct 30, 2013 ... Location: Palais des Congres de Montreal Session Chair: Thomas Gheno, University of Pittsbugh; Eric Jordan, University of Conecticut�...
High Performance Windows Volume Purchase: About the High Performance
High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program to someone by E-mail Share High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program on Facebook Tweet about High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program on Twitter Bookmark High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program on Google Bookmark High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program on Delicious Rank High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program on Digg Find More places to share High Performance Windows Volume Purchase:
Alternative Fuels Data Center: High Occupancy Vehicle (HOV) and High
Alternative Fuels and Advanced Vehicles Data Center (EERE)
High Occupancy Vehicle High Occupancy Vehicle (HOV) and High Occupancy Toll (HOT) Lane Exemption to someone by E-mail Share Alternative Fuels Data Center: High Occupancy Vehicle (HOV) and High Occupancy Toll (HOT) Lane Exemption on Facebook Tweet about Alternative Fuels Data Center: High Occupancy Vehicle (HOV) and High Occupancy Toll (HOT) Lane Exemption on Twitter Bookmark Alternative Fuels Data Center: High Occupancy Vehicle (HOV) and High Occupancy Toll (HOT) Lane Exemption on Google Bookmark Alternative Fuels Data Center: High Occupancy Vehicle (HOV) and High Occupancy Toll (HOT) Lane Exemption on Delicious Rank Alternative Fuels Data Center: High Occupancy Vehicle (HOV) and High Occupancy Toll (HOT) Lane Exemption on Digg Find More places to share Alternative Fuels Data Center: High
High brightness electron accelerator
A compact high brightness linear accelerator is provided for use, e.g., in a free electron laser. The accelerator has a first plurality of acclerating cavities having end walls with four coupling slots for accelerating electrons to high velocities in the absence of quadrupole fields. A second plurality of cavities receives the high velocity electrons for further acceleration, where each of the second cavities has end walls with two coupling slots for acceleration in the absence of dipole fields. The accelerator also includes a first cavity with an extended length to provide for phase matching the electron beam along the accelerating cavities. A solenoid is provided about the photocathode that emits the electrons, where the solenoid is configured to provide a substantially uniform magnetic field over the photocathode surface to minimize emittance of the electrons as the electrons enter the first cavity.
Sheffield, R.L.; Carlsten, B.E.; Young, L.M.
High-energy detector
The preferred embodiments are directed to a high-energy detector that is electrically shielded using an anode, a cathode, and a conducting shield to substantially reduce or eliminate electrically unshielded area. The anode and the cathode are disposed at opposite ends of the detector and the conducting shield substantially surrounds at least a portion of the longitudinal surface of the detector. The conducting shield extends longitudinally to the anode end of the detector and substantially surrounds at least a portion of the detector. Signals read from one or more of the anode, cathode, and conducting shield can be used to determine the number of electrons that are liberated as a result of high-energy particles impinge on the detector. A correction technique can be implemented to correct for liberated electron that become trapped to improve the energy resolution of the high-energy detectors disclosed herein.
Bolotnikov, Aleksey E. (South Setauket, NY); Camarda, Giuseppe (Farmingville, NY); Cui, Yonggang (Upton, NY); James, Ralph B. (Ridge, NY)
High resolution data acquisition
A high resolution event interval timing system measures short time intervals such as occur in high energy physics or laser ranging. Timing is provided from a clock pulse train and analog circuitry for generating a triangular wave synchronously with the pulse train. The triangular wave has an amplitude and slope functionally related to the time elapsed during each clock pulse in the train. A converter forms a first digital value of the amplitude and slope of the triangle wave at the start of the event interval and a second digital value of the amplitude and slope of the triangle wave at the end of the event interval. A counter counts the clock pulse train during the interval to form a gross event interval time. A computer then combines the gross event interval time and the first and second digital values to output a high resolution value for the event interval.
Thornton, G.W.; Fuller, K.R.
High Risk Plan
Risk Plan Risk Plan John Bashista Melissa Rider Jeff Davis Timeline to date * OMB memo on Improving Government Acquisition issued July 29, 2009 - Review existing contracts and acquisition practices to save 7% of baseline contract spending (3.5% in FY 2010 and 3.5% in FY 2011) - Reduce high risk contracts by 10% the share of dollars obligated in FY2010 - Final plan was due and submitted on November 2, 2009 - OMB reviewed and requested revision Dec 23, 2009 - Revision submitted April 21, 2010 M&Os are an Issue * With respect to reductions in high risk contracting strategies, the M&O contracts was also a challenge since the opportunity to further influence competition and contract type was highly constrained. The Department had already competed approximately 85 percent of its M&O
AUTOMATED MACROMOLECULAR AUTOMATED MACROMOLECULAR CRYSTALLOGRAPHY BEAMLINE (AMX) Group Leader: Dieter Schneider Proposal Team: M. Allaire 1 , L. Berman 1 , M. Chance 2 , W. Hendrickson 3 , A. Héroux 1 , J. Jakoncic 1 , A. Orville 1 , H. Robinson 1 , D. Schneider 1 , W. Shi 2 , A. Soares 1 , V. Stojanoff 1 , R. Sweet 1 1 Brookhaven National Laboratory, 2 Case Western Reserve University, 3 Columbia University MISSION APPLICATIONS AND CAPABILITIES ADDITIONAL INFORMATION * AMX at NSLS-II will provide structural biologists with ready access to an advanced macromolecular crystallography (MX) beamline for the elucidation of structure and function of macromolecular complexes. * Its high flux, tunable energy, and natively small focal spot will make it a crystallographer's preferred beamline. * Its high degree of automation will provide a high throughput
High strength alloys
High strength metal alloys are described herein. At least one composition of a metal alloy includes chromium, nickel, copper, manganese, silicon, niobium, tungsten and iron. System, methods, and heaters that include the high strength metal alloys are described herein. At least one heater system may include a canister at least partially made from material containing at least one of the metal alloys. At least one system for heating a subterranean formation may include a tubular that is at least partially made from a material containing at least one of the metal alloys.
Maziasz, Phillip James [Oak Ridge, TN; Shingledecker, John Paul [Knoxville, TN; Santella, Michael Leonard [Knoxville, TN; Schneibel, Joachim Hugo [Knoxville, TN; Sikka, Vinod Kumar [Oak Ridge, TN; Vinegar, Harold J [Bellaire, TX; John, Randy Carl [Houston, TX; Kim, Dong Sub [Sugar Land, TX
High Availability Electronics Standards
Availability modeling of the proposed International Linear Collider (ILC) predicts unacceptably low uptime with current electronics systems designs. High Availability (HA) analysis is being used as a guideline for all major machine systems including sources, utilities, cryogenics, magnets, power supplies, instrumentation and controls. R&D teams are seeking to achieve total machine high availability with nominal impact on system cost. The focus of this paper is the investigation of commercial standard HA architectures and packaging for Accelerator Controls and Instrumentation. Application of HA design principles to power systems and detector instrumentation are also discussed.
Larsen, R.S.; /SLAC
High-beta tokamak
Calculations are made to study the stability and accessibility of tokamak plasmas in the high energy density regime which is desirable for economical reactor operation. Results are given from flux conserving tokamak (FCT) models, classical models, and more complete models with spatially resolved (R,Z) transport, including effects from sawtooth oscillations and magnetic islands. MHD equilibrium, stability, and transport calculations are made to study the accessibility and behavior of high-beta tokamak plasmas in the range {beta} {approx} 5-15%. For next-generation devices, beta values of, at least, 8% appear to be accessible and stable if there is a conducting surface nearby.
Dory, R.A. [Oak Ridge National Laboratory (ORNL); Berger, D.P. [Oak Ridge National Laboratory (ORNL); Charlton, L. A. [Oak Ridge National Laboratory (ORNL); Hogan, J.T. [Oak Ridge National Laboratory (ORNL); Munro, J.K. [Oak Ridge National Laboratory (ORNL); Nelson, D. B. [Oak Ridge National Laboratory (ORNL); Peng, Yueng Kay Martin [ORNL; Sigma, D.J. [Oak Ridge National Laboratory (ORNL); Strickler, Dennis J [ORNL
High intensity hadron accelerators
This rapporteur report consists mainly of two parts. Part I is an abridged review of the status of all High Intensity Hadron Accelerator projects in the world in semi-tabulated form for quick reference and comparison. Part II is a brief discussion of the salient features of the different technologies involved. The discussion is based mainly on my personal experiences and opinions, tempered, I hope, by the discussions I participated in in the various parallel sessions of the workshop. In addition, appended at the end is my evaluation and expression of the merits of high intensity hadron accelerators as research facilities for nuclear and particle physics.
Teng, L.C.
Enlaces de Veh�culos de Combustible Fexible
combustible flexible provista por el Alternative Fuels & Advanced Vehicles Data Center (AFDC) del DOE Vehculos de Combustible Flexible: Una alternativa de combustible renovable...
High expression Zymomonas promoters
Identified are mutants of the promoter of the Z. mobilis glyceraldehyde-3-phosphate dehydrogenase gene, which direct improved expression levels of operably linked heterologous nucleic acids. These are high expression promoters useful for expression of chimeric genes in Zymomonas, Zymobacter, and other related bacteria.
Viitanen, Paul V. (West Chester, PA); Tao, Luan (Havertown, PA); Zhang, Yuying (New Hope, PA); Caimi, Perry G. (Kennett Square, PA); McCole, Laura (East Fallowfield, PA): Zhang, Min (Lakewood, CO); Chou, Yat-Chen (Lakewood, CO); McCutchen, Carol M. (Wilmington, DE); Franden, Mary Ann (Centennial, CO)
High availability using virtualization
High availability has always been one of the main problems for a data center. Till now high availability was achieved by host per host redundancy, a highly expensive method in terms of hardware and human costs. A new approach to the problem can be offered by virtualization. Using virtualization, it is possible to achieve a redundancy system for all the services running on a data center. This new approach to high availability allows to share the running virtual machines over the servers up and running, by exploiting the features of the virtualization layer: start, stop and move virtual machines between physical hosts. The system (3RC) is based on a finite state machine with hysteresis, providing the possibility to restart each virtual machine over any physical host, or reinstall it from scratch. A complete infrastructure has been developed to install operating system and middleware in a few minutes. To virtualize the main servers of a data center, a new procedure has been developed to migrate physical to virtu...
Calzolari, Federico
High Energy Photoproduction
The experimental and phenomenological status of high energy photoproduction is reviewed. Topics covered include the structure of the photon, production of jets, heavy flavours and prompt photons, rapidity gaps, energy flow and underlying events. The results are placed in the context of the current understanding of QCD, with particular application to present and future hadron and lepton colliders.
J. M. Butterworth; M. Wing
High speed flywheel
This invention relates generally to flywheels and relates more particularly to the construction of a high speed, low-mass flywheel. Flywheels with which this invention is to be compared include those constructed of circumferentially wound filaments or fibers held together by a matrix or bonding material. Flywheels of such construction are known to possess a relatively high hoop strength but a relatively low radial strength. Hoop-wound flywheels are, therefore, particularly susceptible to circumferential cracks, and the radial stress limitations of such a flywheel substantially limit its speed capabilities. It is an object of the present invention to provide a new and improved flywheel which experiences reduced radial stress at high operating speeds. Another object of the present invention is to provide flywheel whose construction allows for radial growth as flywheel speed increases while providing the necessary stiffness for transferring and maintaining kinetic energy within the flywheel. Still another object of the present invention is to provide a flywheel having concentrically-disposed component parts wherein rotation induced radial stresses at the interfaces of such component parts approach zero. Yet another object of the present invention is to provide a flywheel which is particularly well-suited for high speed applications. 5 figs.
McGrath, S.V.
High Efficiency Steam Electrolyzer
A novel steam electrolyzer has been developed. In conventional electrolyzers, oxygen produced from electrolysis is usually released in the air stream. In their novel design, natural gas is used to replace air in order to reduce the chemical potential difference across the electrolyzer, thus minimizing the electrical consumption. The oxygen from the electrolysis is consumed in either a total oxidation or a partial oxidation reaction with natural gas. Experiments performed on single cells shown a voltage reduction as much as 1 V when compared to conventional electrolyzers. Using thin film materials and high performance cathode and anode, electrolysis could be done at temperatures as low as 700 C with electrolytic current as high as 1 A/cm{sup 2} at a voltage of 0.5 V only. The 700 C operating temperature is favorable to the total oxidation of natural gas while minimizing the need for steam that is otherwise necessary to avoid carbon deposition. A novel tubular electrolyzer stack has been developed. The system was designed to produce hydrogen at high pressures, taking advantage of the simplicity and high efficiency of the electrochemical compressors. A complete fabrication process was developed for making electrolyzer tubes with thin film coatings. A 100 W stack is being built.
Pham, A.Q.
Highly oxidized superconductors
Novel superconducting materials in the form of compounds, structures or phases are formed by performing otherwise known synthesis in a highly oxidizing atmosphere rather than that created by molecular oxygen at atmospheric pressure or below. This leads to the successful synthesis of novel superconducting compounds which are thermodynamically stable at the conditions under which they are formed. 16 figs.
Novel superconducting materials in the form of compounds, structures or phases are formed by performing otherwise known syntheses in a highly oxidizing atmosphere rather than that created by molecular oxygen at atmospheric pressure or below. This leads to the successful synthesis of novel superconducting compounds which are thermodynamically stable at the conditions under which they are formed.
Modelagem de uma placa de materiais comp�sitos e piezel�tricos pelo m�todo dos elementos finitos: aplica��o de controle de vibra��o.
??Este trabalho visa o desenvolvimento de modelos matem�ticos e num�ricos a fim de simular o comportamento de materiais compostos e piezel�tricos. A teoria de primeira� (more)
Fernanda Colnago Gomes da Silva
Desenvolvimento de um prot�tipo de sistema especialista para apoio � manuten��o de turbocompressores centr�fugos de g�s natural.
??A alta demanda operacional de turbom�quinas devido ao seu papel motor, seja na gera��o de energia, transporte de fluidos ou aeron�utica, torna esse tipo de� (more)
Leonardo Mecab�
Investiga��o experimental e integra��o de um sistema de gera��o de energia el�trica por gaseifica��o de biomassa para comundades isoladas.
??Este trabalho tem por objetivo o estudo da gaseifica��o de biomassa em plantas de leito fixo com tecnologia "downdraft" estratificado. O desempenho de unidades de� (more)
Ricardo da Silva Ribeiro
High Selectivity Oxygen Delignification
The overall objective of this program was to develop improved extended oxygen delignification (EOD) technologies for current U.S. pulp mill operations. This was accomplished by: (1) Identifying pulping conditions that optimize O and OO performance; (2) Identifying structural features of lignin that enhance reactivity towards EOD of high kappa pulps; (3) Identifying factors minimizing carbohydrate degradation and improve pulp strength of EOD high kappa pulps; (4) Developing a simple, reproducible method of quantifying yield gains from EOD; and (5) Developing process conditions that significantly reduce the capital requirements of EOD while optimizing the yield benefits. Key research outcomes included, demonstrating the use of a mini-O sequence such as (E+O)Dkf:0.05(E+O) or Dkf:0.05(E+O)(E+O) without interstage washing could capture approximately 60% of the delignification efficiency of a conventional O-stage without the major capital requirements associated with an O-stage for conventional SW kraft pulps. The rate of formation and loss of fiber charge during an O-stage stage can be employed to maximize net fiber charge. Optimal fiber charge development and delignification are two independent parameters and do not parallel each other. It is possible to utilize an O-stage to enhance overall cellulosic fiber charge of low and high kappa SW kraft pulps which is beneficial for physical strength properties. The application of NIR and multi-variant analysis was developed into a rapid and simple method of determining the yield of pulp from an oxygen delignification stage that has real-world mill applications. A focus point of this program was the demonstration that Kraft pulping conditions and oxygen delignification of high and low-kappa SW and HW pulps are intimately related. Improved physical pulp properties and yield can be delivered by controlling the H-factor and active alkali charge. Low AA softwood kraft pulp with a kappa number 30 has an average improvement of 2% in yield and 4 cP in viscosity in comparison to high AA pulp for the oxygen delignification. This difference is also seen for high-kappa SW kraft pulps with an average improvement of {approx}3% in yield and 3 cP in viscosity for low AA high kappa number 50 pulp. Low AA hardwood kappa number 20 pulp had an average improvement of {approx}4% in yield and 6-12 cP in viscosity as compared to high AA pulp. Lower kraft cooking temperature (160 vs. 170 C) in combination with the medium AA provides a practical approach for integrating high kappa pulping of hardwoods (i.e., low rejects) with an advanced extended oxygen delignification stage. ECF pulp bleaching of low and high kappa kraft SW and HW pulps exhibit comparable optical and physical strength properties when bleached D(EPO)D.
Arthur J. Ragauskas
High Tc Superconductivity
by C. Kim (SSRL), D. H. Lu (Stanford), K. M. Shen (Stanford) and Z.-X. Shen (Stanford/SSRL) by C. Kim (SSRL), D. H. Lu (Stanford), K. M. Shen (Stanford) and Z.-X. Shen (Stanford/SSRL) Extensive research efforts to study the novel electronic properties of high-Tc superconductors and their related materials by angle-resolved photoemission spectroscopy at a recently commissioned Beam Line 5-4 (led by Z.-X. Shen) continue to be successful, producing many important results. These results, which are highlighted by five articles recently published in Physical Review Letters and one in Science, brought our understanding steps closer to solving the mystery of the high-Tc superconductivity. With the development of the latest generation of ultra-high resolution electron spectrometers in the past few years, the technique of angle resolved photoemission spectroscopy (ARPES) has recently experienced a renaissance. Nowhere is this revolution more evident than in the study of the high-temperature superconductors, which more than a decade after their discovery, continue to defy theoretical explanation. Recent ARPES experiments performed at Beam Line 5-4 have led to critical new discoveries about the fundamental nature of these mysterious superconductors and are now changing the way that the physics community views these materials. An excellent benchmark for the huge leap in detector resolution and technology is the recent work on Sr2RuO4. Although it belongs to a slightly different family than the high- temperature superconductors, its exotic superconducting mechanism (Tc = 1K) and complex electronic structure make it itself a fascinating material. In the past, due to poor resolutions, ARPES studies on this material were in disagreement with theory and other experimental techniques.
High-density Fuel Development for High Performance Research ...
Abstract Scope, High density UMo (7-12wt% Mo) fuel for high performance research ... High Energy X-ray Diffraction Study of Deformation Behavior of Alloy HT9.
California high speed rail proposal: �High speed rail and wildlife�
Wildlife and High Speed Rail C ALIFORNIA H IGH S PEED R AILLeavitt, California High Speed Rail Authority) Abstract TheCalifornia High Speed Rail (HSR) Proposal is in the initial
Wilkerson, Cynthia
High frequency reference electrode
A high frequency reference electrode for electrochemical experiments comprises a mercury-calomel or silver-silver chloride reference electrode with a layer of platinum around it and a layer of a chemically and electrically resistant material such as TEFLON around the platinum covering all but a small ring or halo'' at the tip of the reference electrode, adjacent to the active portion of the reference electrode. The voltage output of the platinum layer, which serves as a redox electrode, and that of the reference electrode are coupled by a capacitor or a set of capacitors and the coupled output transmitted to a standard laboratory potentiostat. The platinum may be applied by thermal decomposition to the surface of the reference electrode. The electrode provides superior high-frequency response over conventional electrodes.
Kronberg, J.W.
A high frequency reference electrode for electrochemical experiments comprises a mercury-calomel or silver-silver chloride reference electrode with a layer of platinum around it and a layer of a chemically and electrically resistant material such as TEFLON around the platinum covering all but a small ring or halo' at the tip of the reference electrode, adjacent to the active portion of the reference electrode. The voltage output of the platinum layer, which serves as a redox electrode, and that of the reference electrode are coupled by a capacitor or a set of capacitors and the coupled output transmitted to a standard laboratory potentiostat. The platinum may be applied by thermal decomposition to the surface of the reference electrode. The electrode provides superior high-frequency response over conventional electrodes. 4 figs.
A high frequency reference electrode for electrochemical experiments comprises a mercury-calomel or silver-silver chloride reference electrode with a layer of platinum around it and a layer of a chemically and electrically resistant material such as TEFLON around the platinum covering all but a small ring or "halo" at the tip of the reference electrode, adjacent to the active portion of the reference electrode. The voltage output of the platinum layer, which serves as a redox electrode, and that of the reference electrode are coupled by a capacitor or a set of capacitors and the coupled output transmitted to a standard laboratory potentiostat. The platinum may be applied by thermal decomposition to the surface of the reference electrode. The electrode provides superior high-frequency response over conventional electrodes.
Kronberg, James W. (Aiken, SC)
High Temperature ESP Monitoring
The objective of the High Temperature ESP Monitoring project was to develop a downhole monitoring system to be used in wells with bottom hole well temperatures up to 300�C for measuring motor temperature, formation pressure, and formation temperature. These measurements are used to monitor the health of the ESP motor, to track the downhole operating conditions, and to optimize the pump operation. A 220 �C based High Temperature ESP Monitoring system was commercially released for sale with Schlumberger ESP motors April of 2011 and a 250 �C system with will be commercially released at the end of Q2 2011. The measurement system is now fully qualified, except for the sensor, at 300 �C.
Jack Booker; Brindesh Dhruva
Highly Pipelined Asynchronous FPGAs
We present the design of a high-performance, highly pipelined asynchronous FPGA. We describe a very ne-grain pipelined logic block and routing interconnect architecture, and show how asynchronous logic can eciently take advantage of this large amount of pipelining. Our FPGA, which does not use a clock to sequence computations, automatically \\selfpipelines " its logic without the designer needing to be explicitly aware of all pipelining details. This property makes our FPGA ideal for throughput-intensive applications and we require minimal place and route support to achieve good performance. Benchmark circuits taken from both the asynchronous and clocked design communities yield throughputs in the neighborhood of 300-400 MHz in a TSMC 0.25m process and 500-700 MHz in a TSMC 0.18m process.
John Teifel; Rajit Manohar
Highly Insulating Window Technology
Window Technology Window Technology Temperature differentials across a window, particularly with cold exterior environments in residential buildings, can lead to significant energy losses. Currently available low-emissivity coatings, gas-fills, and insulating frames provide significant energy savings over typical single or double glazed products. The EWC website provides information on how double glazed low-e gas-filled windows work as well as information on commercially available superwindows (three layer, multiple low-e coatings, high performance gas-fills). The next generation of highly insulating window systems will benefit from incremental improvements being made to current components (i.e. more insulating spacers and frame materials/designs, low-e coatings with improved performance properties). LBNL uses its experimental facilities and software tools to collaborate with window and glass industry representatives to better understand the impacts of new components on overall product performance.
Highly Insulating Windows - Cost
Cost Cost The following is an estimate of the cost effective incremental cost of highly-insulating windows (U-factor=0.20 Btu/hr-ft2-F) compared to regular ENERGY STAR windows (U-factor 0.35 Btu/hr-ft2-F). Energy savings from lower U-factors were simulated with RESFEN over an assumed useful window life of 25 years. To determine the maximum incremental cost at which highly-insulating windows would still be cost-effective, we used a formula used by many utility companies to calculate the cost of saved energy from energy efficiency programs, based on the programs' cost and savings. We turned this formula around so that the cost of saved energy equals the present energy prices in the studied locations, whereas the program cost (the incremental cost of the windows) is the dependent variable. By entering 5%
High voltage pulse conditioning
Apparatus for conditioning high voltage pulses from particle accelerators in order to shorten the rise times of the pulses. Flashover switches in the cathode stalk of the transmission line hold off conduction for a determinable period of time, reflecting the early portion of the pulses. Diodes upstream of the switches divert energy into the magnetic and electrostatic storage of the capacitance and inductance inherent to the transmission line until the switches close.
Stringfield, R.M.; Wheat, R.M. Jr.
High speed door assembly
This invention is comprised of a high speed door assembly, comprising an actuator cylinder and piston rods, a pressure supply cylinder and fittings, an electrically detonated explosive bolt, a honeycomb structured door, a honeycomb structured decelerator, and a structural steel frame encasing the assembly to close over a 3 foot diameter opening within 50 milliseconds of actuation, to contain hazardous materials and vapors within a test fixture.
Shapiro, C.
High current ion source
An ion source utilizing a cathode and anode for producing an electric arc therebetween. The arc is sufficient to vaporize a portion of the cathode to form a plasma. The plasma leaves the generation region and expands through another regon. The density profile of the plasma may be flattened using a magnetic field formed within a vacuum chamber. Ions are extracted from the plasma to produce a high current broad on beam.
Brown, Ian G. (1088 Woodside Rd., Berkeley, CA 94708); MacGill, Robert A. (645 Kern St., Richmond, CA 94805); Galvin, James E. (2 Commodore Dr. #276, Emeryville, CA 94608)
A generator for producing relatively large currents at high voltages is described. In general, the invention comprises a plurality of capacitors connected in series by a plurality of switches alternately disposed with the capacitors. The above-noted circuit is mounted for movement with respect to contact members and switch closure means so that a load device and power supply are connected across successive numbers of capacitors, while the other capacitors are successively charged with the same power supply.
Schwemin, A.J.
Springfield, Ray M. (Sante Fe, NM); Wheat, Jr., Robert M. (Los Alamos, NM)
A generator is presented for producing relatively large currents at high voltages. In general, the invention comprises a plurality of capacitors connected in series by a plurality of switches alternately disposed with the capacitors. The circuit is mounted for movement with respect to contact members and switch closure means so that a load device and power supply are connected across successive numbers of capacitors, while the other capacitors are successively charged with the same power supply.
Radiation Effects on a High Strength, High Conductivity Copper Alloy
Presentation Title, Radiation Effects on a High Strength, High Conductivity Copper ... of Zircaloy during Low Dose Neutron Irradiation at Nominally 375-440� C.
High pressure ceramic joint
Many recuperators have components which react to corrosive gases and are used in applications where the donor fluid includes highly corrosive gases. These recuperators have suffered reduced life, increased service or maintenance, and resulted in increased cost. The present joint when used with recuperators increases the use of ceramic components which do not react to highly corrosive gases. Thus, the present joint used with the present recuperator increases the life, reduces the service and maintenance, and reduces the increased cost associated with corrosive action of components used to manufacture recuperators. The present joint is comprised of a first ceramic member, a second ceramic member, a mechanical locking device having a groove defined in one of the first ceramic member and the second ceramic member. The joint and the mechanical locking device is further comprised of a refractory material disposed in the groove and contacting the first ceramic member and the second ceramic member. The present joint mechanically provides a high strength load bearing joint having good thermal cycling characteristics, good resistance to a corrosive environment and good steady state strength at elevated temperatures. 4 figures.
Ward, M.E.; Harkins, B.D.
A device is described for providing a source of molecular ions having a large output current and with an accelerated energy of the order of 600 kv. Ions are produced in an ion source which is provided with a water-cooled source grid of metal to effect maximum recombination of atomic ions to molecular ions. A very high accelerating voltage is applied to withdraw and accelerate the molecular ions from the source, and means are provided for dumping the excess electrons at the lowest possible potentials. An accelerating grid is placed adjacent to the source grid and a slotted, grounded accelerating electrode is placed adjacent to the accelerating grid. A potential of about 35 kv is maintained between the source grid and accelerating grid, and a potential of about 600 kv is maintained between the accelerating grid and accelerating electrode. In order to keep at a minimum the large number of oscillating electrons which are created when such high voltages are employed in the vicinity of a strong magnetic field, a plurality of high voltage cascaded shields are employed with a conventional electron dumping system being employed between each shield so as to dump the electrons at the lowest possible potential rather than at 600 kv.
Luce, J.S.
High temperature interfacial superconductivity
High-temperature superconductivity confined to nanometer-scale interfaces has been a long standing goal because of potential applications in electronic devices. The spontaneous formation of a superconducting interface in bilayers consisting of an insulator (La.sub.2CuO.sub.4) and a metal (La.sub.1-xSr.sub.xCuO.sub.4), neither of which is superconducting per se, is described. Depending upon the layering sequence of the bilayers, T.sub.c may be either .about.15 K or .about.30 K. This highly robust phenomenon is confined to within 2-3 nm around the interface. After exposing the bilayer to ozone, T.sub.c exceeds 50 K and this enhanced superconductivity is also shown to originate from a 1 to 2 unit cell thick interfacial layer. The results demonstrate that engineering artificial heterostructures provides a novel, unconventional way to fabricate stable, quasi two-dimensional high T.sub.c phases and to significantly enhance superconducting properties in other superconductors. The superconducting interface may be implemented, for example, in SIS tunnel junctions or a SuFET.
Bozovic, Ivan (Mount Sinai, NY); Logvenov, Gennady (Port Jefferson Station, NY); Gozar, Adrian Mihai (Port Jefferson, NY)
Many recuperators have components which react to corrosive gases and are used in applications where the donor fluid includes highly corrosive gases. These recuperators have suffered reduced life, increased service or maintenance, and resulted in increased cost. The present joint when used with recuperators increases the use of ceramic components which do not react to highly corrosive gases. Thus, the present joint used with the present recuperator increases the life, reduces the service and maintenance, and reduces the increased cost associated with corrosive action of components used to manufacture recuperators. The present joint is comprised of a first ceramic member, a second ceramic member, a mechanical locking device having a groove defined in one of the first ceramic member and the second ceramic member. The joint and the mechanical locking device is further comprised of a refractory material disposed in the groove and contacting the first ceramic member and the second ceramic member. The present joint mechanically provides a high strength load bearing joint having good thermal cycling characteristics, good resistance to a corrosive environment and good steady state strength at elevated temperatures.
Ward, Michael E. (Poway, CA); Harkins, Bruce D. (San Diego, CA)
High Performance Computing School COMSC
High Performance Computing School COMSC This module aims to provide the students with fundamental knowledge and understanding of techniques associated with High Performance Computing and its practical' skills in analysing and evaluating High Performance Computing and will be structured around
Martin, Ralph R.
Detachable high heel shoe construction
The goal on this investigation was to develop a detachable high heel shoe construction that could enter the current high heel market. The impact of high heel shoes on women's fashion is enormous but there are associated ...
Morales, Alfredo Louis
Research , Office of High Energy and Nuclear Physics, HighOffice of High Energy and Nuclear Physics, High Energy
Taylor, C.
High-Temperature-High-Volume Lifting For Enhanced Geothermal...
Open Energy Info (EERE)
3 GE Aviation Funding Opportunity Announcement DE-FOA-0000075 DOE Funding Level (total award amount) 2,399,990.00 Awardee Cost Share 599,997.00 Total Project Cost...
para las nuevas plantas de hidrogeno..........................33 Tabla 12. Precios con y sin captura de
Rudnick, Hugh
High Performance Computing: Modeling & Simulation
High Performance Computing: Modeling & Simulation High Performance Computing: Modeling & Simulation Express Licensing Adaptive Real-Time Methodology for Optimizing Energy-Efficient...
LANL | Physics | High Energy Physics
Exploring high energy physics Physics Division scientists and engineers investigate the field of high energy physics through experiments that strengthen our fundamental...
Air Kerma - High Energy Xray
... such as high energy megavoltage x rays with peak voltages of at least 5 MV. Currently, air-kerma measurements at these high energies are not ...
This project investigated an efficient and low cost method of auto-thermally reforming natural gas to hydrogen and carbon monoxide. Reforming is the highest cost step in producing products such as methanol and Fisher Tropsch liquids (i.e., gas to liquids); and reducing the cost of reforming is the key to reducing the cost of these products. Steam reforming is expensive because of the high cost of the high nickel alloy reforming tubes (i.e., indirectly fired reforming tubes). Conventional auto-thermal or Partial Oxidation (POX) reforming minimizes the size and cost of the reformers and provides a near optimum mixture of CO and hydrogen. However POX requires pure oxygen, which consumes power and significantly increases the cost to reforming. Our high efficiency process extracts oxygen from low-pressure air with novel oxygen sorbent and transfers the oxygen to a nickel-catalyzed reformer. The syngas is generated at process pressure (typically 20 to 40 bar) without nitrogen dilution and has a 1CO to 2H{sub 2} ratio that is near optimum for the subsequent production of Fisher-Tropsch liquid to liquids and other chemicals (i.e., Gas to Liquids, GTL). Our high process efficiency comes from the way we transfer the oxygen into the reformer. All of the components of the process, except for the oxygen sorbent, are commonly used in commercial practice. A process based on a longlived, regenerable, oxygen transfer sorbent could substantially reduce the cost of natural gas reforming to syngas. Lower cost syngas (CO + 2H{sub 2}) that is the feedstock for GTL would reduce the cost of GTL and for other commercial applications (e.g., methanol, other organic chemicals). The vast gas resources of Alaska's North Slope (ANS) offer more than 22 Tcf of gas and GTL production in this application alone, and could account for as much as 300,000 to 700,000 bpd for 20 to 30+ years. We developed a new sorbent, which is an essential part of the High Efficiency Oxygen Process (HOP). We tested the sorbent and observed that it has both a good oxygen capacity and operates as a highly effective reforming catalyst. We conducted a long duration tests of the sorbent (1,500 hours of continuous operation in the HOP cycle). Although the sorbent lost some oxygen capacity with cycling, the sorbent oxygen capacity stabilized after 1,000 hours and remained constant to the end of the test, 1,500 hour. The activity of the catalyst to reform methane to a hydrogen and carbon monoxide mixture was unchanged through the oxidation/reduction cycling. Our cost and performance analyses indicated a significant reduction in the cost of GTL production when using the HOP process integrated into a GTL plant.
Robert J. Copeland; Yevgenia Gershanovich; Brian Windecker
A flywheel for operation at high speeds utilizes two or more ringlike coments arranged in a spaced concentric relationship for rotation about an axis and an expansion device interposed between the components for accommodating radial growth of the components resulting from flywheel operation. The expansion device engages both of the ringlike components, and the structure of the expansion device ensures that it maintains its engagement with the components. In addition to its expansion-accommodating capacity, the expansion device also maintains flywheel stiffness during flywheel operation.
McGrath, Stephen V. (Knoxville, TN)
High performance steam development
DOE has launched a program to make a step change in power plant to 1500 F steam, since the highest possible performance gains can be achieved in a 1500 F steam system when using a topping turbine in a back pressure steam turbine for cogeneration. A 500-hour proof-of-concept steam generator test module was designed, fabricated, and successfully tested. It has four once-through steam generator circuits. The complete HPSS (high performance steam system) was tested above 1500 F and 1500 psig for over 102 hours at full power.
Duffy, T.; Schneider, P.
High efficiency photoionization detector
A high efficiency photoionization detector is described using tetraaminoethylenes in a gaseous state having a low ionization potential and a relative photoionization cross section which closely matches the emission spectrum of xenon gas. Imaging proportional counters are also disclosed using the novel photoionization detector of the invention. The compound of greatest interest is TMAE which comprises tetrakis(dimethylamino)ethylene which has a measured ionization potential of 5.36 [+-] 0.02 eV, and a vapor pressure of 0.35 torr at 20 C. 6 figs.
Anderson, D.F.
A high efficiency photoionization detector using tetraaminoethylenes in a gaseous state having a low ionization potential and a relative photoionization cross section which closely matches the emission spectrum of xenon gas. Imaging proportional counters are also disclosed using the novel photoionization detector of the invention. The compound of greatest interest is TMAE which comprises tetrakis(dimethylamino)ethylene which has a measured ionization potential of 5.36.+-.0.02 eV, and a vapor pressure of 0.35 torr at 20.degree. C.
Anderson, David F. (3055 Trinity, Los Alamos, NM 87544)
High flux reactor
A high flux reactor is comprised of a core which is divided into two symetric segments housed in a pressure vessel. The core segments include at least one radial fuel plate. The spacing between the plates functions as a coolant flow channel. The core segments are spaced axially apart such that a coolant mixing plenum is formed between them. A channel is provided such that a portion of the coolant bypasses the first core section and goes directly into the mixing plenum. The outlet coolant from the first core segment is mixed with the bypass coolant resulting in a lower inlet temperature to the lower core segment.
Lake, James A. (Idaho Falls, ID); Heath, Russell L. (Idaho Falls, ID); Liebenthal, John L. (Idaho Falls, ID); DeBoisblanc, Deslonde R. (Summit, NJ); Leyse, Carl F. (Idaho Falls, ID); Parsons, Kent (Idaho Falls, ID); Ryskamp, John M. (Idaho Falls, ID); Wadkins, Robert P. (Idaho Falls, ID); Harker, Yale D. (Idaho Falls, ID); Fillmore, Gary N. (Idaho Falls, ID); Oh, Chang H. (Idaho Falls, ID)
0 0 22. High-energy collider parameters HIGH-ENERGY COLLIDER PARAMETERS: e + e - Colliders (I) The numbers here were received from representatives of the colliders in late 1999 (contact C.G. Wohl, LBNL). Many of the numbers of course change with time, and only the latest values (or estimates) are given here; those in brackets are for coming upgrades. Quantities are, where appropriate, r.m.s. H and V indicate horizontal and vertical directions. Parameters for the defunct SPEAR, DORIS, PETRA, PEP, and TRISTAN colliders may be found in our 1996 edition (Phys. Rev. D54, 1 July 1996, Part I). VEPP-2M (Novosibirsk) VEPP-2000 ∗ (Novosibirsk) VEPP-4M (Novosibirsk) BEPC (China) DAΦNE (Frascati) Physics start date 1974 2001 1994 1989 1999 Maximum beam energy (GeV) 0.7 1.0 6 2.2 0.510 (0.75 max.) Luminosity (10 30 cm -2 s -1 ) 5 100 50 10 at 2 GeV 5 at 1.55 GeV 50(→500) Time between collisions (µs)
High speed transient sampler
A high speed sampler comprises a meandered sample transmission line for transmitting an input signal, a straight strobe transmission line for transmitting a strobe signal, and a plurality of sampling gates along the transmission lines. The sampling gates comprise a four terminal diode bridge having a first strobe resistor connected from a first terminal of the bridge to the positive strobe line, a second strobe resistor coupled from the third terminal of the bridge to the negative strobe line, a tap connected to the second terminal of the bridge and to the sample transmission line, and a sample holding capacitor connected to the fourth terminal of the bridge. The resistance of the first and second strobe resistors is much higher than the signal transmission line impedance in the preferred system. This results in a sampling gate which applies a very small load on the sample transmission line and on the strobe generator. The sample holding capacitor is implemented using a smaller capacitor and a larger capacitor isolated from the smaller capacitor by resistance. The high speed sampler of the present invention is also characterized by other optimizations, including transmission line tap compensation, stepped impedance strobe line, a multi-layer physical layout, and unique strobe generator design. A plurality of banks of such samplers are controlled for concatenated or interleaved sample intervals to achieve long sample lengths or short sample spacing. 17 figs.
McEwan, T.E.
A high speed sampler comprises a meandered sample transmission line for transmitting an input signal, a straight strobe transmission line for transmitting a strobe signal, and a plurality of sampling gates along the transmission lines. The sampling gates comprise a four terminal diode bridge having a first strobe resistor connected from a first terminal of the bridge to the positive strobe line, a second strobe resistor coupled from the third terminal of the bridge to the negative strobe line, a tap connected to the second terminal of the bridge and to the sample transmission line, and a sample holding capacitor connected to the fourth terminal of the bridge. The resistance of the first and second strobe resistors is much higher than the signal transmission line impedance in the preferred system. This results in a sampling gate which applies a very small load on the sample transmission line and on the strobe generator. The sample holding capacitor is implemented using a smaller capacitor and a larger capacitor isolated from the smaller capacitor by resistance. The high speed sampler of the present invention is also characterized by other optimizations, including transmission line tap compensation, stepped impedance strobe line, a multi-layer physical layout, and unique strobe generator design. A plurality of banks of such samplers are controlled for concatenated or interleaved sample intervals to achieve long sample lengths or short sample spacing.
McEwan, Thomas E. (Livermore, CA)
High throughput optical scanner
A scanning apparatus is provided to obtain automated, rapid and sensitive scanning of substrate fluorescence, optical density or phosphorescence. The scanner uses a constant path length optical train, which enables the combination of a moving beam for high speed scanning with phase-sensitive detection for noise reduction, comprising a light source, a scanning mirror to receive light from the light source and sweep it across a steering mirror, a steering mirror to receive light from the scanning mirror and reflect it to the substrate, whereby it is swept across the substrate along a scan arc, and a photodetector to receive emitted or scattered light from the substrate, wherein the optical path length from the light source to the photodetector is substantially constant throughout the sweep across the substrate. The optical train can further include a waveguide or mirror to collect emitted or scattered light from the substrate and direct it to the photodetector. For phase-sensitive detection the light source is intensity modulated and the detector is connected to phase-sensitive detection electronics. A scanner using a substrate translator is also provided. For two dimensional imaging the substrate is translated in one dimension while the scanning mirror scans the beam in a second dimension. For a high throughput scanner, stacks of substrates are loaded onto a conveyor belt from a tray feeder.
Basiji, David A. (Seattle, WA); van den Engh, Gerrit J. (Seattle, WA)
High temperature thermometric phosphors
A high temperature phosphor consists essentially of a material having the general formula LuPO.sub.4 :Dy.sub.(x),Eu.sub.y) wherein: 0.1 wt %.ltoreq.x.ltoreq.20 wt % and 0.1 wt %.ltoreq.y.ltoreq.20 wt %. The high temperature phosphor is in contact with an article whose temperature is to be determined. The article having the phosphor in contact with it is placed in the environment for which the temperature of the article is to be determined. The phosphor is excited by a laser causing the phosphor to fluoresce. The emission from the phosphor is optically focused into a beam-splitting mirror which separates the emission into two separate emissions, the emission caused by the dysprosium dopant and the emission caused by the europium dopent. The separated emissions are optically filtered and the intensities of the emission are detected and measured. The ratio of the intensity of each emission is determined and the temperature of the article is calculated from the ratio of the intensities of the separate emissions.
Allison, Stephen W. (Knoxville, TN); Cates, Michael R. (Oak Ridge, TN); Boatner, Lynn A. (Oak Ridge, TN); Gillies, George T. (Earlysville, VA)
Highly Insulating Windows - Fram
Frames Frames Research performed at the Norwegian University of Science and Technology and LBNL has identified various highly insulating frame solutions. A report was released in 2007 describing some of these frames. This document reports the findings of a market and research review related to state-of-the-art highly insulating window frames. The market review focuses on window frames that satisfy the Passivhaus requirements (window U-value less or equal to 0.8 W/m2K ), while other examples are also given in order to show the variety of materials and solutions that may be used for constructing window frames with a low thermal transmittance (U-value). The market search shows that several combinations of materials are used in order to obtain window frames with a low U-value. The most common insulating material seems to be Polyurethane (PUR), which is used together with most of the common structural materials such as wood, aluminum, and PVC.
en vue de l'obtention du grade de Docteur de l'cole Normale Suprieure de Lyon -Universit de Lyon
-14Dec2012 #12;Thèse de l'Université de Lyon �?cole Doctorale de Physique et Astrophysique de Lyon (PHAST
Optimizaci�n de campos de tensiones residuales en procesos de tratamiento superficial de materiales met�licos mediante ondas de choque generadas por l�ser.
??La tecnolog�a LSP se considera en la actualidad como una t�cnica emergente para la mejora de propiedades de resistencia mecanica de materiales met�licos de �nteres� (more)
Porro Gonz�lez, Juan Antonio
Apuntes de Mecanica de Medios Continuos Ignacio Romero Olleros
Apuntes de Mec´anica de Medios Continuos Ignacio Romero Olleros Abril 15, 2005 #12;#12;En este documento se recoge un proyecto en curso de redacci´on de apuntes para la asignatura de Mec´anica de Medios docencia o en los ex´amenes del curso de Mec´anica de Medios Continuos de tercero de Ingenerio Ge´ologo, en
Romero, Ignacio
personnes) 846. Maison de Lamarre (13 personnes) 847. Maison de Drouilhet Puisné (6 personnes) 848. Maison. Maison de Drouilhet Ainé (4 personnes) 880. Maison de Duhagon (9 personnes) 881. Maison de Caulongue (9
Paris-Sud XI, Université de
Y High-Resolution
Y Y High-Resolution . __ DO NOT M I C PET COVER for medical science studies Lawrence Berkeley Laboratory University of California September 1989 DlSTRlBUTlGN OF THIS DOCUMENT IS U#LIIY/ITEE Acknowledgments This booklet was prepared under the sponsorship of the U.S. Department of Energy Office of Health Effects Research, the National Institutes of Health, and the Lawrence Berkeley Laboratory's Research Medicine and Radiation Biophysics Division. We thank Sarah Cahn and Douglas Vaughan for coordination of this booklet. esolution PET for Medical Science Studies Thomas F. Budinger Stephen E. Derenzo Ronald H. Huesman William J. Jagust Peter E. Valk CONTENTS A PET Primer Positron Emission Tomography: Evolution of a Technology 7 PET Theory: Emission, Detection, and Reconstruction
Highly Insulating Windows - Publ
Highly Insulating Windows - Publications Future Advanced Windows for Zero-Energy Homes, J. Apte, D. Arasteh, J. Huang, 2003 ASHRAE Annual Meeting, 2002 Nine representative window products are examined in eight representative U.S. climates. Annual energy and peak demand impacts are investigated. We conclude that a new generation of window products is necessary for zero-energy homes if windows are not to be an energy drain on these homes. Performance Criteria for Residential Zero Energy Windows, D. Arasteh, H. Goudey, J. Huang, C. Kohler, R. Mitchell, 2006, submitted to ASHRAE Through the use of whole house energy modeling, typical efficient products are evaluated in five US climates and compared against the requirements for ZEHs. Products which meet these needs are defined as a function of climate.
Highly stable pulse stretchers
Highly stable pulse stretchers are described that are designed for fine control of pulse duration in digital pulse shapers of nuclear magnetic resonance spectrometers with a quantization step of 0.1 ..mu..sec. The fine-control range is 20-150 nsec. The stretchers employ a circuit to compensate for the logic-0 voltage and the time delays of the logic elements. The instability of the trailing-edge delay for a supply variation of +/- 0.5 V is less than 0.1%, and the temperature instability in the range of 20-80/sup 0/C is not over (60/t/sub d/)-0.3%, where t/sub d/ is the trailing-edge delay. The inputs and outputs of the pulse stretchers are matcher to TTL and Schottky TTL levels.
Svintenok, V.A.; Nikiforov, E.A.
High voltage feedthrough bushing
A feedthrough bushing for a high voltage diode provides for using compression sealing for all sealing surfaces. A diode assembly includes a central conductor extending through the bushing and a grading ring assembly circumferentially surrounding and coaxial with the central conductor. A flexible conductive plate extends between and compressively seals against the central conductor and the grading ring assembly, wherein the flexibility of the plate allows inner and outer portions of the plate to axially translate for compression sealing against the central conductor and the grading ring assembly, respectively. The inner portion of the plate is bolted to the central conductor for affecting sealing. A compression beam is also bolted to the central conductor and engages the outer portion of the plate to urge the outer portion toward the grading ring assembly to obtain compression sealing therebetween.
Brucker, J.P.
High Efficiency, Clean Combustion
Energy use in trucks has been increasing at a faster rate than that of automobiles within the U.S. transportation sector. According to the Energy Information Administration (EIA) Annual Energy Outlook (AEO), a 23% increase in fuel consumption for the U.S. heavy duty truck segment is expected between 2009 to 2020. The heavy duty vehicle oil consumption is projected to grow between 2009 and 2050 while light duty vehicle (LDV) fuel consumption will eventually experience a decrease. By 2050, the oil consumption rate by LDVs is anticipated to decrease below 2009 levels due to CAFE standards and biofuel use. In contrast, the heavy duty oil consumption rate is anticipated to double. The increasing trend in oil consumption for heavy trucks is linked to the vitality, security, and growth of the U.S. economy. An essential part of a stable and vibrant U.S. economy is a productive U.S. trucking industry. Studies have shown that the U.S. gross domestic product (GDP) is strongly correlated to freight transport. Over 90% of all U.S. freight tonnage is transported by diesel power and over 75% is transported by trucks. Given the vital role that the trucking industry plays in the economy, improving the efficiency of the transportation of goods was a central focus of the Cummins High Efficient Clean Combustion (HECC) program. In a commercial vehicle, the diesel engine remains the largest source of fuel efficiency loss, but remains the greatest opportunity for fuel efficiency improvements. In addition to reducing oil consumption and the dependency on foreign oil, this project will mitigate the impact on the environment by meeting US EPA 2010 emissions regulations. Innovation is a key element in sustaining a U.S. trucking industry that is competitive in global markets. Unlike passenger vehicles, the trucking industry cannot simply downsize the vehicle and still transport the freight with improved efficiency. The truck manufacturing and supporting industries are faced with numerous challenges to reduce oil consumption and greenhouse gases, meet stringent emissions regulations, provide customer value, and improve safety. The HECC program successfully reduced engine fuel consumption and greenhouse gases while providing greater customer valve. The US EPA 2010 emissions standard poses a significant challenge for developing clean diesel powertrains that meet the DoE Vehicle Technologies Multi-Year Program Plan (MYPP) for fuel efficiency improvement while remaining affordable. Along with exhaust emissions, an emphasis on heavy duty vehicle fuel efficiency is being driven by increased energy costs as well as the potential regulation of greenhouse gases. An important element of the success of meeting emissions while significantly improving efficiency is leveraging Cummins component technologies such as fuel injection equipment, aftertreatment, turbomahcinery, electronic controls, and combustion systems. Innovation in component technology coupled with system integration is enabling Cummins to move forward with the development of high efficiency clean diesel products with a long term goal of reaching a 55% peak brake thermal efficiency for the engine plus aftertreatment system. The first step in developing high efficiency clean products has been supported by the DoE co-sponsored HECC program. The objectives of the HECC program are: (1) To design and develop advanced diesel engine architectures capable of achieving US EPA 2010 emission regulations while improving the brake thermal efficiency by 10% compared to the baseline (a state of the art 2007 production diesel engine). (2) To design and develop components and subsystems (fuel systems, air handling, controls, etc) to enable construction and development of multi-cylinder engines. (3) To perform an assessment of the commercial viability of the newly developed engine technology. (4) To specify fuel properties conducive to improvements in emissions, reliability, and fuel efficiency for engines using high-efficiency clean combustion (HECC) technologies. To demonstrate the technology is compatible with B2
Donald Stanton
This patent relates to high voltage supply circuits adapted for providing operating voltages for GeigerMueller counter tubes, and is especially directed to an arrangement for maintaining uniform voltage under changing conditions of operation. In the usual power supply arrangement for counter tubes the counter voltage is taken from across the power supply output capacitor. If the count rate exceeds the current delivering capaciiy of the capacitor, the capacitor voltage will drop, decreasing the counter voltage. The present invention provides a multivibrator which has its output voltage controlled by a signal proportional to the counting rate. As the counting rate increases beyond the current delivering capacity of the capacitor, the rectified voltage output from the multivibrator is increased to maintain uniform counter voltage.
Zito, G.V.
High energy photon emission
The primary goal of this work was to initiate the use of BaF2 arrays for detection of high energy photon emission from nuclear reactions. A beam from the Texas A&M University K-500 Superconducting Cyclotron, and a variety of detectors for hard photons, neutrons, charged particles, and fission fragments were used to study the reaction 160 + 238 U at a projectile energy of 50 MeV/u. Inverse slope values of the photon spectra were extracted for inclusive data and data of higher multiplicities at angles of 90' and 135'. Two 19-element barium fluoride (BaF2) arrays, an array of liquid scintillation fast neutron detectors and plastic scintillation charged-particle veto detectors, together with a silicon-cesium iodide (Si-CsI) telescope and a silicon fission fragment detector allowed the possibility of impact parameter selection through neutron and charged particle multiplicities. The associated multiplicity distributions of photon and fast neutron triggers were compared at 30' and 90' angles. The hardware and electronics layout of the experimental set up are described. Fundamental properties of the various detectors are explained and typical spectra are shown as examples for each detector system. The data acquisition and data compression is described in Chap. III, and followed by the calibration methods used for the BaF2 and Nal(TI) detectors. A description of a dynamic pedestal (zero level) correction mechanism, is followed by a description of several cosmic ray background reduction methods, including the highly effective centrality condition. A summary is given to compare the various methods. After a description of the other types of detectors used in the experiment, an example is given how the final photon spectra were produced. In Chap. IV the measured results are presented and compared to those in the literature. The last chapter provides the conclusions of this work.
Jabs, Harry
High Performance Buildings Database
DOE Data Explorer (OSTI)
The High Performance Buildings Database is a shared resource for the building industry. The Database, developed by the U.S. Department of Energy and the National Renewable Energy Laboratory (NREL), is a unique central repository of in-depth information and data on high-performance, green building projects across the United States and abroad. The Database includes information on the energy use, environmental performance, design process, finances, and other aspects of each project. Members of the design and construction teams are listed, as are sources for additional information. In total, up to twelve screens of detailed information are provided for each project profile. Projects range in size from small single-family homes or tenant fit-outs within buildings to large commercial and institutional buildings and even entire campuses.
The Database is a data repository as well. A series of Web-based data-entry templates allows anyone to enter information about a building project into the database. Once a project has been submitted, each of the partner organizations can review the entry and choose whether or not to publish that particular project on its own Web site. Early partners using the database include:
Copied (then edited) from http://eere.buildinggreen.com/partnering.cfm
Información en Precios de Gasolina Información en Precios de Gasolina Sign showing gasoline prices Precios Locales: Encuentre la gasolina más barata en su área. Precios Estatales y área Metropolitana: Precios promedio del Informe Diario de la AAA (Vea "Today's AAA State Averages") Precios Nacionales Y Regionales: Estimados semanales de los precios de gasolina y diesel de la Administración de la Información de Energía Entienda los Precios de la Gasolina Photo of gasoline receipt ¿Qué determina el costo de la gasolina? ¿Cuál es la futura perspectiva para los precios de gasolina? Tenemos las respuestas a éstas y otras "Preguntas Frecuentes" Consejos para Ahorrar Gasolina Photo of gasoline receipt Aprenda a ahorrar dinero es su consumo de gasolina siguiendo nuestros
Membrane technologies for hydrogen and carbon monoxide recovery from residual gas streams. Tecnolog�as de membranas para la recuperaci�n de hidr�geno y mon�xido de carbono de gases residuales.
??Esta tesis doctoral est� enfocada hacia la separaci�n y recuperaci�n de hidrogeno y mon�xido de carbono de efluentes gaseosos residuales procedentes de procesos industriales de� (more)
David, Oana Cristina
de recherche ISSN0249-6399ISRNINRIA/RR--7750--FR+ENG
Larchev^eque , Paul Renaud-Goud Theme : Distributed and High Performance Computing ´Equipe-Projet GRAALapport de recherche ISSN0249-6399ISRNINRIA/RR--7750--FR+ENG Distributed and High Performance Computing INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE Optimal algorithms
de recherche ISSN0249-6399ISRNINRIA/RR--7510--FR+ENG
Gaujal , Yves Robert Theme : Distributed and High Performance Computing ´Equipes-Projets GRAAL, MESCALapport de recherche ISSN0249-6399ISRNINRIA/RR--7510--FR+ENG Distributed and High Performance Computing INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE Computing the Throughput
de recherche ISSN0249-6399ISRNINRIA/RR--7757--FR+ENG
Aupy , Anne Benoit , Yves Robert Theme : Distributed and High Performance Computing ´Equipeapport de recherche ISSN0249-6399ISRNINRIA/RR--7757--FR+ENG Distributed and High Performance Computing INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE Energy-aware scheduling under
Enlaces de C�lula
por el Centro de Datos de Vehculos Avanzados y Combustibles Alternativos (AFDC) del DOE Explicacin Sobre el Hidrgeno Pequea discusin sobre el hidrgeno, su...
Influ�ncia de vari�veis de processo do desempenho de torre de resfriamento.
??Com base em um modelo fenomenol�gico e a partir de dados experimentais obtidos numa planta piloto, foi obtida uma correla��o entre o desempenho de uma� (more)
Lilian Cardoso de Mello
Sin t�tulo de diapositiva
... INTI: Es el Instituto Nacional de Metrolog�a de la Rep�blica Argentina. ... (1653) San Mart�n. Buenos Aires, Argentina. (54 11) 4724 6200/300/400. ...
Analyse de cycle de vie de la production bovine : exploration de pratiques et de changements de syst�me pour r�duire les impacts environnementaux.
??Cette th�se porte sur l'�tude des impacts environnementaux de syst�mes de production de bovins. Le premier objectif �tait d'analyser et de comparer les impacts environnementaux� (more)
Nguyen, Thi Tuyet Hanh
High Temperature Corrosion Test Facilities and High Pressure Test
High Temperature High Temperature Corrosion Test Facilities and High Pressure Test Facilities for Metal Dusting Test Facilities for Metal Dusting Overview Other Facilities Work with Argonne Contact us For Employees Site Map Help Join us on Facebook Follow us on Twitter NE on Flickr High Temperature Corrosion Test Facilities and High Pressure Test Facilities for Metal Dusting Six corrosion test facilities and two thermogravimetric systems for conducting corrosion tests in complex mixed gas environments, in steam and in the presence of deposits, and five facilities for metal dusting degradation Bookmark and Share The High Temperature Corrosion Test Facilities and High Pressure Test Facilities for Metal Dusting include: High Pressure Test Facility for Metal Dusting Resistance:
Functionalized High Voltage Spinel Composite for High Power ...
Recently, spinel LiNi0.5Mn1.5O4 with high working voltage and long cycle life makes it become the one of most promising cathode for high power delivery.
High Performance Network Monitoring
Network Monitoring requires a substantial use of data and error analysis to overcome issues with clusters. Zenoss and Splunk help to monitor system log messages that are reporting issues about the clusters to monitoring services. Infiniband infrastructure on a number of clusters upgraded to ibmon2. ibmon2 requires different filters to report errors to system administrators. Focus for this summer is to: (1) Implement ibmon2 filters on monitoring boxes to report system errors to system administrators using Zenoss and Splunk; (2) Modify and improve scripts for monitoring and administrative usage; (3) Learn more about networks including services and maintenance for high performance computing systems; and (4) Gain a life experience working with professionals under real world situations. Filters were created to account for clusters running ibmon2 v1.0.0-1 10 Filters currently implemented for ibmon2 using Python. Filters look for threshold of port counters. Over certain counts, filters report errors to on-call system administrators and modifies grid to show local host with issue.
Martinez, Jesse E [Los Alamos National Laboratory
Experimental and theoretical investigation of high gradient acceleration
This report contains a technical progress summary of the research conducted under the auspices of DOE Grant No. DE-FG0291ER-40648. Experimental and Theoretical Investigations of High Gradient Acceleration.'' This grant supports three research tasks: Task A consists of the design and fabrication of a 17GHz of photocathode gun, Task B supports the testing of high gradient acceleration using a 33GHz structure, and Task C comprises theoretical investigations, both in support of the experimental tasks and on critical physics issues for the development of high energy linear colliders. This report is organized as follows. The development of an rf gun design and research progress on the picosecond laser system is summarized in Sec. 2, the status of the studies of the LBL/Haimson high gradient structure, using a 50 MW free-electron laser is summarized in Sec. 3, and theoretical research progress is described in Sec. 4. Supporting material is contained in Appendices A-G.
Bekefi, G.; Chen, C.; Chen, S.; Danly, B.; Temkin, R.J.; Wurtele, J.S.
UESC and High Tech Facilities
Federal Energy Management Program UESC and High Tech Facilities Charles Williams, Lawrence Berkeley National Lab 2 | FUPWG April 2012 High Tech Building UESC Partnership Leveraging Technical Potential, Market Opportunity, Program Resources * Energy-intensive facilities with high savings potential * PG&E service territory - high concentration of high-technology buildings * PG&E UESC program, new and growing * DOE FEMP programs for UESC and High-Tech Buildings * LBNL expertise in labs, data centers, clean rooms * LBNL support for UESC program * UESC potential for innovation * Presidential "We Can't Wait $2 Billion challenge to Federal agencies 3 | FUPWG April 2012 UESC project support at LBNLL Training /Education
Estudio de la estructura de autofunciones de sistemas ca�ticos en una base de funciones de scar.
??El problema central que aborda esta tesis doctoral es el estudio de la correspondencia entre la mecanica clasica y la mecanica cuantica en sistemas hamiltonianos� (more)
Revuelta Pe�a, Fabio
Glossary Term - Van de Graaff Generator
Uranus Uranus Previous Term (Uranus) Glossary Main Index Next Term (Vanadis) Vanadis Van de Graaff Generator A Van de Graaff generator discharges to a grounded metal sphere. A Van de Graaff generator is a device used to create a high voltage static charge. In this Van de Graaff generator, an electric motor pulls a latex belt over a felt covered pulley. Electrons are transferred from the felt to the belt as the belt pulls away from the pulley. The electrons ride the belt to the upper dome, where a pick-up wire transfers them from the belt to the dome. Each electron carries a negative charge and, since like charges repel, the electrons on the dome attempt to get as far away from each other as possible. At some point, too many electrons are placed on the dome. When this occurs the electrons attempt to reach the earth by leaping
Ultra high vacuum broad band high power microwave window
An improved high vacuum microwave window has been developed that utilizes high density polyethylene coated on two sides with SiOx, SiNx, or a combination of the two. The resultant low dielectric and low loss tangent window creates a low outgassing, low permeation seal through which broad band, high power microwave energy may be passed. No matching device is necessary and the sealing technique is simple. The features of the window are broad band transmission, ultra-high vacuum compatibility with a simple sealing technique, low voltage standing wave ratio, high power transmission and low cost.
Nguyen-Tuong, Viet (Seaford, VA); Dylla, III, Henry Frederick (Yorktown, VA)
An improved high vacuum microwave window has been developed that utilizes high density polyethylene coated on two sides with SiOx, SiNx, or a combination of the two. The resultant low dielectric and low loss tangent window creates a low outgassing, low permeation seal through which broad band, high power microwave energy may be passed. No matching device is necessary and the sealing technique is simple. The features of the window are broad band transmission, ultra-high vacuum compatibility with a simple sealing technique, low voltage standing wave ratio, high power transmission and low cost. 5 figs.
Nguyen-Tuong, V.; Dylla, H.F. III
Introduction to High Performance Computing
Introduction to High Performance Computing Introduction to High Performance Computing June 10, 2013 Photo on 7 30 12 at 7.10 AM Downloads Download File Gerber-HPC-2.pdf...
High Temperature Shape Memory Alloys
Mar 5, 2013 ... Shape Memory Response of NiTiHfPd High Strength and High Hysteresis Shape Memory Alloys: Emre Acar1; Haluk Karaca1; Hirobumi Tobe1;�...
High Speed Particle Image Velocimetry
This patent application discloses a novel method to simultaneously track the motion of high numbers of object images under extreme, high concen-tration conditions. Although the software is designed to simultaneously track large numbers of particle ...
Reestrutura��o do sistema de calibra��o de magnet�metros para aplica��es espaciais.
??Nos sensores utilizados em sistemas de controlo de orienta��o e posicionamento em �rbita (AOCS - Attitude and Orbit Control System) de sat�lites artificiais como o� (more)
Lamas, M�nica Maria Soares
High-Resolution Separations Technologies
... gas chromatography mass spectrometry (GC/MS) provides relatively high efficiency separations, the analysis of some complex, natural-matrix ...
Comisin de Energa Cmara de Diputados
desechos industriales (Puerto Rico) o de desechos domésticos y agrícolas (China), utilización de la basura tarifas. Consideraciones finales México es un país rico en recursos naturales convencionales y en fuentes, en especial la solar a través de las celdas fotovoltaicas; y finalmente, la posibilidad que las
Catholic University of Chile (Universidad Católica de Chile)
High Performance Computing contributions to
High Performance Computing contributions to DoD Mission Success 2002 #12;Approved for public/C nanotube in a field emitter configuration #12;HIGH PERFORMANCE COMPUTING contributions tocontributions SECTION 1 INTRODUCTION 1 Introduction 3 Overview of the High Performance Computing Modernization Program 3
Constru��o e analise de desempenho de um sistema de aquecimento solar de �gua utilizando placa de policarbonato como superf�cie absorvedora.
??Estudou-se um sistema para aquecimento de �gua a ser utilizada para obten��o de �gua destinada ao banho em resid�ncias, a superf�cie absorvedora do coletor � (more)
Dilton Sodr�
Les sch�mas de test : une abstraction pour la g�n�ration de tests de conformit� et pour la mesure de couverture.
??L'activit� de test est une partie de plus en plus importante dans les d�veloppements logiciels. Cette activit� de test est souvent longue et r�p�titive, les� (more)
Bontron, Pierre
Propostas de melhoria para o PDP de uma empresa de m�quinas agr�colas com base no modelo de PDP da Toyota.
??Enquanto nos �ltimos anos o Sistema Toyota de Produ��o (STP) tem sido amplamente estudado e documentado, o Sistema Toyota de Desenvolvimento de Produto (STDP) permanece� (more)
F�bio Chencci Corr�a
High Performance and Sustainable Buildings Guidance | Department...
High Performance and Sustainable Buildings Guidance High Performance and Sustainable Buildings Guidance High Performance and Sustainable Buildings Guidance More Documents &...
High Temperature Superconductivity Partners | Department of Energy
High Temperature Superconductivity Partners High Temperature Superconductivity Partners Map showing DOE's partnersstakeholders in the High Temperature Superconductivity Program...
FORMULAIRE DE PLAINTE RELATIVE �? LA POLITIQUE LINGUISTIQUE DE L'UNIVERSIT�? DE MONTR�?AL Pour assurer disposition de la Politique linguistique de l'Université de Montréal et n'être ni vexatoire ni frivole; Elle que j'estime que les dispositions suivantes de la Politique linguistique de l'Université de Montréal n
Montréal, Université de
High pressure-high temperature effect on the HTSC ceramics structure and properties
Keywords: high pressures-high temperatures, high temperature superconductors, mechanical properties, structure, superconductive
T. A. Prikhna
Estudo da exala��o de rad�nio em placas e tijolos de fosfogesso de diferentes proced�ncias.
??O fosfogesso � um res�duo da ind�stria de fertilizantes fosfatados que concentra radionucl�deos naturais. Neste trabalho foi estudada a taxa de exala��o de 222Rn em� (more)
Lucas Jos� Pereira da Costa
Bases conceituais da implanta��o de redes el�tricas inteligentes de distribui��o de energia el�trica.
??As redes el�tricas inteligentes significam um novo paradigma de fornecimento de energia, cuja concep��o integra v�rias �reas de concentra��o, novas funcionalidades e fun��es at� ent�o� (more)
Antonio Paulo da Cunha
Highlighting High Performance: Whitman Hanson Regional High School; Whitman, Massachusetts
This brochure describes the key high-performance building features of the Whitman-Hanson Regional High School. The brochure was paid for by the Massachusetts Technology Collaborative as part of their Green Schools Initiative. High-performance features described are daylighting and energy-efficient lighting, indoor air quality, solar and wind energy, building envelope, heating and cooling systems, water conservation, and acoustics. Energy cost savings are also discussed.
UEL, 29 de Outubro de 2010 Fermi, petrleo e etanol
de gado ou em processos de produção de etanol à partir de celulose. (O bagaço da produção atual é
Ribas, Roberto Vicençotto
Conversion de voix pour la synth�se de la parole.
??Cette th�se s'inscrit dans le cadre des travaux de recherche entrepris par la division R&D de France Telecom dans le domaine de la synth�se de� (more)
EN-NAJJARY, Taoufik
Soft Magnetic Materials for High Power and High Frequency Power ...
Symposium, Advanced Materials for Power Electronics, Power Conditioning, and ... are in high demand for the next generation of miniaturized power electronics.
Real Time Synchrotron Radiography of High Temperature High ...
... Magnetic Composite Materials � X-Ray Studies of Structural Effects Induced by Pulsed (30 Tesla), High Magnetic Fields at the Advanced Photon Source�...
High-Temperature-High-Volume Lifting | Open Energy Information
source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » High-Temperature-High-Volume Lifting Jump to: navigation, search Geothermal ARRA Funded Projects for High-Temperature-High-Volume Lifting Loading map... {"format":"googlemaps3","type":"ROADMAP","types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"limit":200,"offset":0,"link":"all","sort":[""],"order":[],"headers":"show","mainlabel":"","intro":"","outro":"","searchlabel":"\u2026
Viabilidade t�cnica e aspectos ambientais do biodiesel et�lico de �leos residuais de fritura.
??Desde 1� de janeiro de 2010, como medida do Programa Nacional de Produ��o e Uso do Biodiesel (PNPB), � obrigat�ria a adi��o de 5% de� (more)
Carlos Augusto Valente de Arruda Botelho
Economia de energia na perspectiva do Plano Nacional de Energia 2030 : o papel do aquecimento solar.
??Disserta��o (mestrado)�Universidade de Bras�lia, Centro de Desenvolvimento Sustent�vel, 2010. O objetivo desta disserta��o � a constru��o de proje��es que identifiquem o potencial de economia de� (more)
Pereira, Roberto Wagner Lima
Economia de energia na perspectiva do plano nacional de energia 2030 : o papel do aquecimento solar.
??O objetivo desta disserta��o � a constru��o de proje��es que identifiquem o potencial de economia de energia el�trica pela dissemina��o do uso de sistemas de� (more)
Roberto Wagner Lima Pereira
Um relato oscilante � A Amaz�nia de Milton Hatoum, em Relato de um certo Oriente.
??Disserta��o (mestrado)-Universidade de Bras�lia, Instituto de Letras, Departamento de Teoria Liter�ria e Literaturas, 2010. Esta disserta��o analisa a obra Relato de um certo Oriente, de� (more)
Albuquerque, Lindalva Alves de
Estudo do comportamento mec�nico de misturas de fosfogesso e cal para utiliza��o na constru��o rodovi�ria.
??Este trabalho tem como objetivo estudar, a partir de ensaios de laborat�rio, o comportamento mec�nico de misturas de fosfogesso e cal destinadas � constru��es de� (more)
Shirley Minnell Ferreira de Oliveira
Floeter, Sergio Ricardo
High resolution time interval meter
Method and apparatus are provided for measuring the time interval between two events to a higher resolution than reliability available from conventional circuits and component. An internal clock pulse is provided at a frequency compatible with conventional component operating frequencies for reliable operation. Lumped constant delay circuits are provided for generating outputs at delay intervals corresponding to the desired high resolution. An initiation START pulse is input to generate first high resolution data. A termination STOP pulse is input to generate second high resolution data. Internal counters count at the low frequency internal clock pulse rate between the START and STOP pulses. The first and second high resolution data are logically combined to directly provide high resolution data to one counter and correct the count in the low resolution counter to obtain a high resolution time interval measurement.
Martin, A.D.
Caracterizaci�n de residuos s�lidos peligrosos de empresas del sector de artes gr�ficas para la identificaci�n de opciones de prevenci�n y reducci�n / Hazardous waste characterization of graphic arts companies for identification of options for prevention and reduction.
??Chaparro Sep�lveda, Nidya Gilma (2010) Caracterizaci�n de residuos s�lidos peligrosos de empresas del sector de artes gr�ficas para la identificaci�n de opciones de prevenci�n y� (more)
Chaparro Sep�lveda, Nidya Gilma
Informaci�n para Concesionarios de Automotrices
de la Gua de Ahorro de Gasolina del 2010 al 2013 Electrnicamente: http:www.afdc.energy.govfeguide-order cono de Adobe Acrobat en ingls Por correo: NREL -- Fuel...
High voltage variable diameter insulator
A high voltage feedthrough assembly (10) having a tubular insulator (15) extending between the ground plane ring (16) and the high voltage ring (30). The insulator (15) is made of Pyrex and decreases in diameter from the ground plane ring (16) to the high voltage ring (30), producing equipotential lines almost perpendicular to the wall (27) of the insulator (15) to optimize the voltage-holding capability of the feedthrough assembly (10).
Vanecek, David L. (Martinez, CA); Pike, Chester D. (Pinole, CA)
NUCLEAR RESONANT SCATTERING AT HIGH PRESSURE AND HIGH TEMPERATURE JIYONG ZHAOa,�? , WOLFGANG, The University of Chicago, Chicago, IL 60637, USA We introduce the combination of nuclear resonant inelastic X the thermal radiation spectra fitted to the Planck radiation function up to 1700 K. Nuclear resonant
Shen, Guoyin
Impact of High Solar Penetration in the Western Interconnection
Impact of High Solar Penetration Impact of High Solar Penetration in the Western Interconnection Debra Lew National Renewable Energy Laboratory Nicholas Miller, Kara Clark, Gary Jordan, and Zhi Gao GE Energy Technical Report NREL/TP-5500-49667 December 2010 NREL is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency & Renewable Energy, operated by the Alliance for Sustainable Energy, LLC. National Renewable Energy Laboratory 1617 Cole Boulevard Golden, Colorado 80401 303-275-3000 * www.nrel.gov Contract No. DE-AC36-08GO28308 Impact of High Solar Penetration in the Western Interconnection Debra Lew National Renewable Energy Laboratory Nicholas Miller, Kara Clark, Gary Jordan, and Zhi Gao GE Energy Prepared under Task No. SM101610
Service Members Aim High -- for Energy Savings | Department of Energy
Service Members Aim High -- for Energy Savings Service Members Aim High -- for Energy Savings Service Members Aim High -- for Energy Savings February 22, 2010 - 12:32pm Addthis Joshua DeLung What does this mean for me? Service members are helping reduce our dependency on oil, and saving taxpayers' money, with their energy-saving efforts. Operation Change Out has cut $26.3 million in total energy costs and helped prevent more than 396 lbs. of carbon dioxide. Reducing our dependency on foreign oil means finding ways to harness the power of renewable energy sources, but it also means saving energy whenever and wherever possible. The Americans charged with keeping the country safe are now helping the U.S. reach its energy savings goals by taking small, important steps. "Operation Change Out: The Military Challenge" is a campaign asking
High Quality Down Lighting Luminaire with 73% Overall System Efficiency
This report summarizes work to develop a high flux, high efficiency LED-based downlight at OSRAM SYLVANIA under US Department of Energy contract DE-FC26-08NT01582. A new high power LED and electronic driver were developed for these downlights. The LED achieved 100 lumens per watt efficacy and 1700 lumen flux output at a correlated color temperature of 3500K. The driver had 90% electrical conversion efficiency while maintaining excellent power quality with power factor >0.99, and total harmonic distortion <10%. Two styles of downlights using the LED and driver were shown to exceed the project targets for steady-state luminous efficacy and flux of 70 lumens per watt and 1300 lumens, respectively. Compared to similar existing downlights using compact fluorescent or LED sources, these downlights had much higher efficacy at nearly the same luminous flux.
Robert Harrison; Steven C. Allen; Joseph Bernier; Robert Harrison
This report summarizes work to develop a high flux, high efficiency LED-based downlight at OSRAM SYLVANIA under US Department of Energy contract DE-FC26-08NT01582. A new high power LED and electronic driver were developed for these downlights. The LED achieved 100 lumens per watt efficacy and 1700 lumen flux output at a correlated color temperature of 3500K. The driver had 90% electrical conversion efficiency while maintaining excellent power quality with power factor >0.99, and total harmonic distortion LED and driver were shown to exceed the project targets for steady-state luminous efficacy and flux of 70 lumens per watt and 1300 lumens, respectively. Compared to similar existing downlights using compact fluorescent or LED sources, these downlights had much higher efficacy at nearly the same luminous flux.
Thrusts in High Performance Computing
in HPC 1 Thrusts in High Performance Computing Science at Scale Petaflops to Exaflops Science through Volume Thousands to Millions of Simulations Science in Data Petabytes to...
High Temperature and Electrical Properties
Mar 5, 2013... and Nanomaterials: High Temperature and Electrical Properties ... thermomechanical (or in cyclic power) loading of electronic devices is an�...
Highly Enriched Uranium Transparency Program
and Climate Research Center for Geospatial Analysis Program Highlights Index Highly Enriched Uranium Transparency Program EVS staff members helped to implement transparency and...
Transport current properties in bias fields for the other magnet with the outer ... Two obstacles to high field Jc over long lengths are poor flux pinning and�...
Recently the high tensile strength conductor 100 m long was successfully fabricated and wound for the energizing test at 21 Tesla back up filed. The coil was�...
Fractography of High Strength Silicon
Splitting Tension Test on High-Strength Concretes Studied by Artificial Intelligence and Response Surface Analysis � Spring Failures -The Role of Corrosion in�...
High Pressure Studies of Superconductivity.
??Superconductivity has been studied extensively since it was first discovered over 100 years ago. High pressure studies, in particular, have been vital in furthering our� (more)
Hillier, Narelle Jayne
Nb Interstitial Free High - TMS
Sep 16, 2007 ... Effect of Aluminum Content on the Mechanical Properties of Dual Stabilized Ti- Nb Interstitial Free High Strength Steel (IF-HSS) by Heejae�...
Problems in High Energy Astrophysics
This contribution discusses some of the main problems in high energy astrophysics, and the perspectives to solve them using different types of "messengers": cosmic rays, photons and neutrinos
Lipari, Paolo
Paolo Lipari
IDD High Performance Resilience Program
... construction issues related to: Blast, earthquake, high wind, and flood resistance, and cyber ... 3D propagation ? FLEX finite element software is ...
High-Activity Dealloyed Catalysts
2 fuel cells - Demonstrate durability of the kinetic mass activity against DOE- specified voltage cycling tests in fuel cells - Achieve high current density performance in H 2 air...
Ultra High Temperature Ceramic Composites
Oct 9, 2012 ... These ceramics, often combined with 20-30% SiC, have been studied extensively in monolithic form, demonstrating excellent high-temperature�...
Sociedad Chilena de Mecanica Computacional
Sociedad Chilena de Mec´anica Computacional Cuadernos de Mec´anica Computacional Vol. 6 no 1, 2008
Bürger, Raimund
High Performance Computing and Visualization Group ...
High Performance Computing and Visualization Group. Welcome. The High Performance Computing and Visualization Group. ...
High-Temperature-High-Volume Lifting For Enhanced Geothermal Systems
Temperature-High-Volume Lifting For Enhanced Geothermal Systems Temperature-High-Volume Lifting For Enhanced Geothermal Systems Geothermal Project Jump to: navigation, search Last modified on July 22, 2011. Project Title High-Temperature-High-Volume Lifting For Enhanced Geothermal Systems Project Type / Topic 1 Recovery Act: Enhanced Geothermal Systems Component Research and Development/Analysis Project Type / Topic 2 High-Temperature-High-Volume Lifting Project Description The proposed scope of work is divided into three Phases. Overall system requirements will be established in Phase 1, along with an evaluation of existing lifting system capability, identification of technology limitations, and a conceptual design of an overall lifting system. In developing the system components in Phase 2, component-level tests will be conducted using GE facilities. Areas of development will include high-temperature drive system materials, journal and thrust bearings, and corrosion and erosion-resistant lifting pump components. Finally, in Phase 3, the overall lab-scale lifting system will be demonstrated in a flow loop that will be constructed at GE Global Research.
High Temperature, High Pressure Devices for Zonal Isolation in Geothermal
Temperature, High Pressure Devices for Zonal Isolation in Geothermal Temperature, High Pressure Devices for Zonal Isolation in Geothermal Wells Geothermal Project Jump to: navigation, search Last modified on July 22, 2011. Project Title High Temperature, High Pressure Devices for Zonal Isolation in Geothermal Wells Project Type / Topic 1 Recovery Act: Enhanced Geothermal Systems Component Research and Development/Analysis Project Type / Topic 2 Zonal Isolation Project Description For Enhanced Geothermal Systems (EGS), high-temperature high-pressure zonal isolation tools capable of withstanding the downhole environment are needed. In these wells the packers must withstand differential pressures of 5,000 psi at more than 300°C, as well as pressures up to 20,000 psi at 200°C to 250°C. Furthermore, when deployed these packers and zonal isolation tools must form a reliable seal that eliminates fluid loss and mitigates short circuiting of flow from injectors to producers. At this time, general purpose open-hole packers do not exist for use in geothermal environments, with the primary technical limitation being the poor stability of existing elastomeric seals at high temperatures.
Estudo do desempenho de um compressor axial de v�rios est�gios com inje��o de �gua na sua entrada.
??A simula��o num�rica de compressores axiais � de fundamental import�ncia tanto na fase de projeto quanto na de desenvolvimento do compressor. A simula��o num�rica � (more)
Luciano Porto Bontempo
In today's highly competitive marketplace,
today's highly competitive marketplace, rapid creation today's highly competitive marketplace, rapid creation and commercialization of scientific advances and innovative technologies are key to the continued prosperity of the United States. Scientists and engineers at Lawrence Livermore National Laboratory (LLNL) have achieved numerous science and technology breakthroughs that have led to new industries, spurred economic growth and benefited the national welfare.
High temperature electronic gain device
An integrated thermionic device suitable for use in high temperature, high radiation environments. Cathode and control electrodes are deposited on a first substrate facing an anode on a second substrate. The substrates are sealed to a refractory wall and evacuated to form an integrated triode vacuum tube.
McCormick, J. Byron (Los Alamos, NM); Depp, Steven W. (Los Alamos, NM); Hamilton, Douglas J. (Tucson, AZ); Kerwin, William J. (Tucson, AZ)
Electrokinetically pumped high pressure sprays
An electrokinetic pump capable of producing high pressure is combined with a nozzle having a submicron orifice to provide a high pressure spray device. Because of its small size, the device can be contained within medical devices such as an endoscope for delivering biological materials such as DNA, chemo therapeutic agents, or vaccines to tissues and cells.
Schoeniger, Joseph S. (Oakland, CA); Paul, Phillip H. (Livermore, CA); Schoeniger, Luke (Pittsford, NY)
High temperature lightweight foamed cements
Cement slurries are disclosed which are suitable for use in geothermal wells since they can withstand high temperatures and high pressures. The formulation consists of cement, silica flour, water, a retarder, a foaming agent, a foam stabilizer, and a reinforcing agent. A process for producing these cements is also disclosed. 3 figs.
Sugama, Toshifumi.
Cement slurries are disclosed which are suitable for use in geothermal wells since they can withstand high temperatures and high pressures. The formulation consists of cement, silica flour, water, a retarder, a foaming agent, a foam stabilizer, and a reinforcing agent. A process for producing these cements is also disclosed.
Sugama, Toshifumi (Mastic Beach, NY)
Fundamentals of high pressure adsorption
High-pressure adsorption attracts research interests following the world's attention to alternative fuels, and it exerts essential effect on the study of hydrogen/methane storage and the development of novel materials addressing to the storage. However, theoretical puzzles in high-pressure adsorption hindered the progress of application studies. Therefore, the present paper addresses the major theoretical problems that challenged researchers: i.e., how to model the isotherms with maximum observed in high-pressure adsorption; what is the adsorption mechanism at high pressures; how do we determine the quantity of absolute adsorption based on experimental data. Ideology and methods to tackle these problems are elucidated, which lead to new insights into the nature of high-pressure adsorption and progress in application studies, for example, in modeling multicomponent adsorption, hydrogen storage, natural gas storage, and coalbed methane enrichment, was achieved.
Zhou, Y.P.; Zhou, L. [Tianjin University, Tianjin (China). High Pressure Adsorption Laboratory
High-Efficiency Steam Electrolyzer
We are developing a novel high-efficiency, high-temperature steam electrolyzer. Although water or steam electrolysis is well known to be one of the cleanest ways to produce hydrogen, widespread utilization is hindered by high operational costs because of high electricity consumption. To decrease the electrical power input requirements in electrolysis, our approach uses natural gas as an anode depolarizer. This approach essentially replaces one unit of electricity with one equivalent-energy unit of natural gas at much lower cost. The direct use of natural gas on the electrolyzer enables very high system efficiency with respect to primary energy. Experiments performed on single cells have shown a voltage reduction as much as 1 V when compared to conventional electrolyzers. System efficiency has been estimated to be 50 to 80%, depending on the electrolytic current. A 200-W prototype unit is being developed.
Pham, A Q
High Temperature | Open Energy Information
Temperature Temperature Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Print PDF Sanyal Temperature Classification: High Temperature Dictionary.png High Temperature: No definition has been provided for this term. Add a Definition Sanyal Temp Classification This temperature scheme was developed by Sanyal in 2005 at the request of DOE and GEA, as reported in Classification of Geothermal Systems: A Possible Scheme. Extremely Low Temperature Very Low Temperature Low Temperature Moderate Temperature High Temperature Ultra High Temperature Steam Field Reservoir fluid between 230°C and 300°C is considered by Sanyal to be "high temperature." "Above a temperature level of 230°C, the reservoir would be expected to become two-phase at some point during exploitation. The next higher
High Technology and Industrial Systems
Semiconductor clean room Semiconductor clean room High Technology and Industrial Systems EETD's research on high technology buildings and industrial systems is aimed at reducing energy consumed by the industrial sector in manufacturing facilities, including high technology industries such as data centers, cleanrooms in the such industries as electronics and pharmaceutical manufacturing, and laboratories, improving the competitiveness of U.S. industry. Contacts William Tschudi firstname.lastname@example.com (510) 495-2417 Aimee McKane email@example.com (518) 782-7002 Links High-Performance Buildings for High-Tech Industries Industrial Energy Analysis Batteries and Fuel Cells Buildings Energy Efficiency Applications Commercial Buildings Cool Roofs and Heat Islands Demand Response Energy Efficiency Program and Market Trends
CETHIL INSA de Lyon Centre de Thermique
des membranes multicouches de films polymères mé- tallisés, n'est pas évidente. Ce sont les micro seconde par mesure directe de perméabilité sur échantillons de membrane (méthode manométrique). Ces deux thermiques, membrane barrière aux gaz, trans- ferts massiques, perméabilité, modélisation du vieillissement
situación financiera de PEMEX. En este sentido, Bailey subrayo que México tiene que jugar un papel más
000 000 Highlights International Oil Markets Prices. We have found little need to adjust our oil price forecast from last month's report, since no evidence of significantly more bullish (or bearish) sentiment on the world oil market has arisen since last month. Our estimate from the December Outlook for the November imported oil cost still looks good at $23.50 and our current estimate for December's price at $24.75 is only slightly above last month's expected December level ($24.50). Thus, annual average prices remain, in our view, on a pace to show $5-per- barrel increases in both 1999 and 2000 (Figure 1). This pattern masks the more salient aspect of the forecast, which calls for steadily (but gradually) declining prices through 2000 and into 2001 when looking ahead by month from where we are today (Figure 2).
December 1999 December 1999 Highlights International Oil Markets Prices. World oil prices for the remainder of 1999 and all of 2000 are expected to remain above $20 per barrel. EIA believes that prices will rise from average November levels (an estimated $23.50 per barrel for the price paid by U.S. refiners for imported crude) by about $1 per barrel by December, due to increased demand in the winter and Y2K precautionary building of end-user inventories (see a brief discussion on Y2K impacts below). The world oil price is then expected to dip slightly to an average of $24.00 per barrel in January 2000 as the peak of the winter stock build passes before gradually declining to $20.50 per barrel by December 2000. This forecast assumes that OPEC compliance remains relatively strong
High Frequency High Power RF Generation using a Relativistic...
FREQUENCY HIGH POWER RF GENERATION USING A RELATIVISTIC ELECTRON BEAM C. Jing , S. Antipov, P. Schoessow, and A. Kanareykin, Euclid Techlabs LLC, Solon, OH-44139 J.G. Power, M....
Incubadora de Empresas da Universidade de Aveiro IEUA | Open Energy
Incubadora de Empresas da Universidade de Aveiro IEUA Incubadora de Empresas da Universidade de Aveiro IEUA Jump to: navigation, search Name Incubadora de Empresas da Universidade de Aveiro (IEUA) Place Portugal Sector Services Product General Financial & Legal Services ( Academic / Research foundation ) References Incubadora de Empresas da Universidade de Aveiro (IEUA)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Incubadora de Empresas da Universidade de Aveiro (IEUA) is a company located in Portugal . References ↑ "Incubadora de Empresas da Universidade de Aveiro (IEUA)" Retrieved from "http://en.openei.org/w/index.php?title=Incubadora_de_Empresas_da_Universidade_de_Aveiro_IEUA&oldid=346828
Asociacion de Productores de Energias Renovables APPA | Open Energy
Asociacion de Productores de Energias Renovables APPA Asociacion de Productores de Energias Renovables APPA Jump to: navigation, search Name Asociacion de Productores de Energias Renovables (APPA) Place Spain Sector Renewable Energy Product Spanish renewable energy industry association. References Asociacion de Productores de Energias Renovables (APPA)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Asociacion de Productores de Energias Renovables (APPA) is a company located in Spain . References ↑ "Asociacion de Productores de Energias Renovables (APPA)" Retrieved from "http://en.openei.org/w/index.php?title=Asociacion_de_Productores_de_Energias_Renovables_APPA&oldid=342368" Categories:
Apparatus and methods for a human de-amplifier system
A human de-amplifier system for interfacing a human operator and a physical object through a physical plant, wherein the physical object has dimensions in the range of 1 micrometer to 1 mm. The human de-amplifier system uses an inner-feedback loop to increases the equivalent damping of the operating system to stabilize the system when it contacts with the environment and reduces the impact of the environment variation by utilizing a high feedback gain, determined by a root locus sketch. Because the stability of the human de-amplifier system of the present invention is greatly enhanced over that of the prior art, the de-amplifier system is able to manipulate the physical object has dimensions in the range of 1 micrometer to 1 mm with high stability and accuracy. The system also has a monitoring device to monitor the motion of the physical object under manipulation.
Kress, Reid L. (Oak Ridge, TN); Jansen, John F. (Knoxville, TN)
Microsoft Word - CX_DeMoss_Substation_Expansion_130531
Alaric Hsu Alaric Hsu Project Manager - TEP-CSB-2 Proposed Action: De Moss Substation Expansion Categorical Exclusion Applied (from Subpart D, 10 C.F.R. Part 1021): B4.6 Additions and modifications to transmission facilities Location: Sherman County, Oregon Proposed by: Bonneville Power Administration (BPA) Description of the Proposed Action: BPA proposes to expand its De Moss Substation yard located in Sherman County, Oregon. The expansion is necessary to install additional reactors that would provide the necessary reactive support to address the extreme high voltage at De Moss Substation resulting from the loss of the Big Eddy - DeMoss transmission line during winter peak conditions. The equipment at De Moss Substation is currently sustaining voltage
High-Pressure Hydrogen Tanks
February 8 February 8 th , 2005 Mark J. Warner, P.E. Principal Engineer Quantum Technologies, Inc. Irvine, CA Low Cost, High Efficiency, Low Cost, High Efficiency, High Pressure Hydrogen Storage High Pressure Hydrogen Storage This presentation does not contain any proprietary or confidential information. 70 MPa Composite Tanks Vent Line Ports Defueling Port (optional) Fill Port Filter Check Valve Vehicle Interface Bracket with Stone Shield In Tank Regulator with Solenoid Lock-off Pressure Relief Device Manual Valve Compressed Hydrogen Storage System In-Tank Regulator Pressure Sensor (not visible here) Pressure Relief Device (thermal) In Tank Gas Temperature Sensor Carbon Composite Shell (structural) Impact Resistant Outer Shell (damage resistant) Gas Outlet Solenoid Foam Dome (impact protection)
High temperature structural insulating material
A high temperature structural insulating material useful as a liner for cylinders of high temperature engines through the favorable combination of high service temperature (above about 800/sup 0/C), low thermal conductivity (below about 0.2 W/m/sup 0/C), and high compressive strength (above about 250 psi). The insulating material is produced by selecting hollow ceramic beads with a softening temperature above about 800/sup 0/C, a diameter within the range of 20-200 ..mu..m, and a wall thickness in the range of about 2 to 4 ..mu..m; compacting the beads and a compatible silicate binder composition under pressure and sintering conditions to provide the desired structural form with the structure having a closed-cell, compact array of bonded beads.
Chen, W.Y.
Security tasks are highly interdependent.
Motivation Security tasks are highly interdependent. To improve security tools, we need to understand how security practitioners collaborate in their organizations. Security practitioners in context Exchange of Information Develop security tools that: · Integrate information from different communication
Research in High Energy Physics
This final report details the work done from January 2010 until April 2013 in the area of experimental and theoretical high energy particle physics and cosmology at the University of California, Davis.
Conway, John S.
The High-Radon Project
indoor radon concentrations across the United States. The purpose of this work is to help state and other agencies identify high-radon counties and areas more precisely so that...
High compression rate text summarization
This thesis focuses on methods for condensing large documents into highly concise summaries, achieving compression rates on par with human writers. While the need for such summaries in the current age of information overload ...
Branavan, Satchuthananthavale Rasiah Kuhan
High-Intensity Discharge Lighting
Energy.gov (U.S. Department of Energy (DOE))
High-intensity discharge (HID) lighting provides the highest efficacy and longest service life of any lighting type. It can save 75%-90% of lighting energy when it replaces incandescent lighting.
High pressure synthesis gas fermentation
The construction of the high pressure gas phase fermentation system has been completed. Photographs of the various components of the system are presented, along with an operating procedure for the equipment.
High Efficiency Particulate Air Filters
High Efficiency Particulate Air (HEPA) Filters High Efficiency Particulate Air (HEPA) Filters Home Standards DOE Workshops Nuclear Air Cleaning Conference Proceedings Qualified Filter List News Items Related Sites HEPA Related Lessons Learned Contact Us HSS Logo High Efficiency Particulate Air Filters The HEPA Filter web site provides a forum for informing and reporting department-wide activities related to filtration and ventilation issues with special reference to the High Efficiency Particulate Air (HEPA) Filters' use, inspection, and testing. This site contains essentials of DOE HEPA filter test program, procedures, requirements and quality assurance aspects applicable to HEPA filters used in DOE facilities. This site contains information about the DOE-accepted Filter Test Facility and its management, operation and quality assuranceprogram.
Computational biology and high performance computing
Biology and High Performance Computing Manfred Zorn, TeresaBiology and High Performance Computing Presenters: Manfred99-Portland High performance computing has become one of the
Shoichet, Brian
High Performance Windows Volume Purchase: Events
Events to someone by E-mail Share High Performance Windows Volume Purchase: Events on Facebook Tweet about High Performance Windows Volume Purchase: Events on Twitter Bookmark High...
High Performance Windows Volume Purchase: News
News to someone by E-mail Share High Performance Windows Volume Purchase: News on Facebook Tweet about High Performance Windows Volume Purchase: News on Twitter Bookmark High...
BNL | Tandem Van de Graaff | Home
Tandem Van de Graaff Tandem Van de Graaff Tandem Home Conduct Research at the Tandem Capabilities Testing & Callibration SEU Test Facility Ion Species Ion Irradiation / Implantation Schedule Org Chart (.pdf) Contact Welcome to the Tandem The Tandem Van de Graaff Facility consists of two 15-megavolt electrostatic accelerators capable of delivering continuous, or high-intensity pulsed ion beams in a wide range of ion species at various energies to experimental chambers that are available to researchers on a full cost-recovery basis. More » Use the Tandem Follow these simple steps to determine if the Tandem meets your experimental needs, reserve beam time, and to plan for your visit. Review Capabilities Learn what ion species are available at the Tandem and at what LETs, maximum energies, and energy ranges, as well as other capabilities.
High average power pockels cell
A high average power pockels cell is disclosed which reduces the effect of thermally induced strains in high average power laser technology. The pockels cell includes an elongated, substantially rectangular crystalline structure formed from a KDP-type material to eliminate shear strains. The X- and Y-axes are oriented substantially perpendicular to the edges of the crystal cross-section and to the C-axis direction of propagation to eliminate shear strains.
Daly, Thomas P. (Pleasanton, CA)
High-temperature ceramic receivers
An advanced ceramic dome cavity receiver is discussed which heats pressurized gas to temperatures above 1800/sup 0/F (1000/sup 0/C) for use in solar Brayton power systems of the dispersed receiver/dish or central receiver type. Optical, heat transfer, structural, and ceramic material design aspects of the receiver are reported and the development and experimental demonstration of a high-temperature seal between the pressurized gas and the high-temperature silicon carbide dome material is described.
Jarvinen, P. O.
MB++: An Integrated Architecture for Pervasive Computing and High-Performance Computing
utilization of high-performance computing resources. A comprehensive solution requires not only facilities for man- aging data transport, but also support for managing and in- stantiating computation automatically of applications that MB++ is de- signed to support: A metropolitan-area emergency response infrastructure may have
Ramachandran, Umakishore
High resolution, high rate x-ray spectrometer
It is an object of the invention to provide a pulse processing system for use with detected signals of a wide dynamic range which is capable of very high counting rates, with high throughput, with excellent energy resolution and a high signal-to-noise ratio. It is a further object to provide a pulse processing system wherein the fast channel resolving time is quite short and substantially independent of the energy of the detected signals. Another object is to provide a pulse processing system having a pile-up rejector circuit which will allow the maximum number of non-interfering pulses to be passed to the output. It is also an object of the invention to provide new methods for generating substantially symmetrically triangular pulses for use in both the main and fast channels of a pulse processing system.
Goulding, F.S.; Landis, D.A.
un mosaico de grandes aportaciones de la UNAM
y el de fabricación de tubos de acero sin costura para PEMEX, se visitó la empresa TAMSA, Tubos de finalidad de que los alumnos observaran las insta- laciones mediante un recorrido visitaron: PEMEX refinería
Pontificia Universidad Catlica de Chile Escuela de Ingeniera
moléculas de hidrogeno (H2), las que junto al oxigeno presente en la atmosfera se encargan de alimentar una tecnología es el almacenamiento de hidrogeno, la infraestructura para su distribución y las pérdidas durante hidrogeno en forma de gas, vincularlo a metales o producirlo a bordo a partir de gas natural, metanol
High-temperature alloys for high-power thermionic systems
The need for structural materials with useful strength above 1600 k has stimulated interest in refractory-metal alloys. Tungsten possesses an extreme high modulus of elasticity as well as the highest melting temperature among metals, and hence is being considered as one of the most promising candidate materials for high temperature structural applications such as space nuclear power systems. This report is divided into three chapters covering the following: (1) the processing of tungsten base alloys; (2) the tensile properties of tungsten base alloys; and (3) creep behavior of tungsten base alloys. Separate abstracts were prepared for each chapter. (SC)
Shin, Kwang S.; Jacobson, D.L.; D'cruz, L.; Luo, Anhua; Chen, Bor-Ling.
High modulus carbon fiber/titanium laminates
Titanium has been used to meet ever-stricter standards for high-temperature performance, creep resistance, low weight and high strength. Having low density, a high melting point, and high tensile strength, it seems like ...
Tsang, Lina
Facult des arts et des sciences Dpartement de linguistique et de traduction
Faculté des arts et des sciences Département de linguistique et de traduction �?VALUATION DE LA vous remercions de votre précieuse collaboration au programme de stages du Département de linguistique
Parrott, Lael
High resolution digital delay timer
Method and apparatus are provided for generating an output pulse following a trigger pulse at a time delay interval preset with a resolution which is high relative to a low resolution available from supplied clock pulses. A first lumped constant delay (20) provides a first output signal (24) at predetermined interpolation intervals corresponding to the desired high resolution time interval. Latching circuits (26, 28) latch the high resolution data (24) to form a first synchronizing data set (60). A selected time interval has been preset to internal counters (142, 146, 154) and corrected for circuit propagation delay times having the same order of magnitude as the desired high resolution. Internal system clock pulses (32, 34) count down the counters to generate an internal pulse delayed by an interval which is functionally related to the preset time interval. A second LCD (184) corrects the internal signal with the high resolution time delay. A second internal pulse is then applied to a third LCD (74) to generate a second set of synchronizing data (76) which is complementary with the first set of synchronizing data (60) for presentation to logic circuits (64). The logic circuits (64) further delay the internal output signal (72) to obtain a proper phase relationship of an output signal (80) with the internal pulses (32, 34). The final delayed output signal (80) thereafter enables the output pulse generator (82) to produce the desired output pulse (84) at the preset time delay interval following input of the trigger pulse (10, 12).
Martin, Albert D. (Los Alamos, NM)
We are developing a novel high-efficiency, high-temperature steam electrolyzer. Although water or steam electrolysis is well known to be one of the cleanest ways to produce hydrogen, widespread utilization is hindered by high operational costs because of high electricity consumption. To decrease the electrical power input requirements in electrolysis, our approach uses natural gas as an anode depolarizer. This approach essentially replaces one unit of electricity with one equivalent-energy unit of natural gas at much lower cost. The direct use of natural gas on the electrolyzer enables very high system efficiency with respect to primary energy. Experiments performed on single cells have shown a voltage reduction as much as 1 V when compared to conventional electrolyzers. System efficiency has been estimated to be 50 to 80%, depending on the electrolytic current density. During FY02, we have accomplished several major milestones, including the development of a metal-to-ceramic seal that withstands 150 psi differential, the fabrication of the electrolyzer tubes of up to 16 inches in length, the improvement of single tube performance and the demonstration of the first electrolyzer stack.
Pham, A Q; See, E; Lenz, D; Martin, P; Glass, R
Program on Technology Innovation: 2006-2010 Very High-Efficiency Photovoltaics Research at IRDEP�An EDF R&D and CNRS Joint Pro gram
This report covers the collaborative activities of Centre National de la Recherche Scientifique (CNRS) and Electricit de France (EDF) research and development (R&D) to advance the state of high-efficiency photovoltaics (PV) for the period of 2006-2010. This activity is principally concerned with basic research to enhance the long-term prospects of very high-efficiency PV, but it also includes possible near-term outcomes of improved conversion efficiency for existing technologies. The project has develope...
Experimental And Theoretical High Energy Physics Research At UCLA
This is the final report of the UCLA High Energy Physics DOE Grant No. DE-FG02- 91ER40662. This report covers the last grant project period, namely the three years beginning January 15, 2010, plus extensions through April 30, 2013. The report describes the broad range of our experimental research spanning direct dark matter detection searches using both liquid xenon (XENON) and liquid argon (DARKSIDE); present (ICARUS) and R&D for future (LBNE) neutrino physics; ultra-high-energy neutrino and cosmic ray detection (ANITA); and the highest-energy accelerator-based physics with the CMS experiment and CERN�s Large Hadron Collider. For our theory group, the report describes frontier activities including particle astrophysics and cosmology; neutrino physics; LHC interaction cross section calculations now feasible due to breakthroughs in theoretical techniques; and advances in the formal theory of supergravity.
Cousins, Robert D. [University of California Los Angeles] [University of California Los Angeles
Impact of Electric Industry Structure on High Wind Penetration Potential
273 273 July 2009 Impact of Electric Industry Structure on High Wind Penetration Potential M. Milligan and B. Kirby National Renewable Energy Laboratory R. Gramlich and M. Goggin American Wind Energy Association National Renewable Energy Laboratory 1617 Cole Boulevard, Golden, Colorado 80401-3393 303-275-3000 * www.nrel.gov NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Operated by the Alliance for Sustainable Energy, LLC Contract No. DE-AC36-08-GO28308 Technical Report NREL/TP-550-46273 July 2009 Impact of Electric Industry Structure on High Wind Penetration Potential M. Milligan and B. Kirby National Renewable Energy Laboratory R. Gramlich and M. Goggin American Wind Energy Association
Why Onion-Like Carbons Make High-Energy Supercapacitors
Why Onion-Like Why Onion-Like Carbons Make High-Energy Supercapacitors Why Onion-Like Carbons Make High-Energy Supercapacitors Simulations explain experimental results for electrical storage devices June 1, 2012 JiangCummingsCoverLarge.gif Capacitance and geometry effects revealed by molecular dynamics simulations. The OLC and the ionic liquid that were the basis of the simulation are shown in the lower left. (Guang Feng, De-en Jiang, Peter T. Cummings, © ACS Publications) The two most important electrical storage technologies are batteries and capacitors. Batteries can store a lot of energy, but have slow charge and discharge rates. Capacitors generally store less energy but have very fast (nearly instant) charge and discharge rates, and last longer than rechargeable batteries. Developing technologies that combine the optimal
THERMAL DeNOx: A COMMERCIAL SELECTIVE NONCATALYTIC NOx REDUCTION PROCESS FOR
THERMAL DeNOx: A COMMERCIAL SELECTIVE NONCATALYTIC NOx REDUCTION PROCESS FOR WASTE when high NOx reduction is required. To illustrate the cost effectiveness, investment and operating in cinerators. INTRODUCTION THERMAL DeNO", a selective noncatalytic NO" reduction process, was invented just
Columbia University
JOURNAL DE PHYSIQUE Colloque C2, supplement au n02, Tome 50, fgvrier 1989
. A high-transmission grid, electrically connected to the sample, has been introduced between the salnple, ainsi que la distribution de leurenergie cinetique initiale. I1 a it6 observ6 que le taux de desorption are compared with with electron impact data. 1 - INTRODUCTION Several mechanisms have been proposed to describe
High spectral purity microwave oscillator: design using ...
... power plants, the de- sign of logic control systems for the Central Termoelectrica Lerma, and stress analysis of the 350M Watt steam turbine for the ...
high temperature intergranular oxidation of alloy 718
Framatome ANP Fuel Division ; 10, rue J. R�camier ; 69456 Lyon Cedex, France. 2. Centre Inter-Universitaire de Recherche et d'Ing�nierie des Mat�riaux�...
High quality factor and high confinement silicon resonators using
waveguides," IEEE Photon. Technol. Lett. 8, 647648 (1996). 4. I. Kiyat, A. Aydinli, and N. Dagli, "High-Q. Sel. Top. Quantum Electron. 12, 16781687 (2006). 2. Y. Okawachi, A. Gaeta, and M. Lipson. Xiao, M. H. Khan, H. Shen, and M. Qi, "Compact silicon microring resonators with ultra-low propagation
Lipson, Michal
High thermal conductivity connector having high electrical isolation
A method and article for providing a low-thermal-resistance, high-electrical-isolation heat intercept connection. The connection method involves clamping, by thermal interference fit, an electrically isolating cylinder between an outer metallic ring and an inner metallic disk. The connection provides durable coupling of a heat sink and a heat source.
Nieman, Ralph C. (Downers Grove, IL); Gonczy, John D. (Oak Lawn, IL); Nicol, Thomas H. (St. Charles, IL)
High Pressure Hydrogen Tank Manufacturing
Workshop Workshop High Pressure Hydrogen Tank Manufacturing Mark Leavitt Quantum Fuel Systems Technologies Worldwide, Inc. August 11, 2011 This presentation does not contain any proprietary, confidential, or otherwise restricted information History of Innovations... Announced breakthrough in all-composite lightweight, high capacity, low-cost fuel storage technologies. * Developed a series of robust, OEM compatible electronic control products. Developed H 2 storage system for SunLine Tran-sit Hythane® bus. Awarded patent for integrated module including in-tank regulator * Developed high efficiency H 2 fuel storage systems for DOE Future Truck programs Developed H 2 storage and metering system for Toyota's FCEV platform. First to certify 10,000 psi systems in Japan
High-let radiation carcinogenesis
Recent results for neutron radiation-induced tumors are presented to illustrate the complexities of the dose-response curves for high-LET radiation. It is suggested that in order to derive an appropriate model for dose-response curves for the induction of tumors by high-LET radiation it is necessary to take into account dose distribution, cell killing and the susceptibility of the tissue under study. Preliminary results for the induction of Harderian gland tumors in mice exposed to various heavy ion beams are presented. The results suggest that the effectiveness of the heavy ion beams increases with increasing LET. The slopes of the dose-response curves for the different high-LET radiations decrease between 20 and 40 rads and therefore comparisons of the relative effectiveness should be made from data obtained at doses below about 20 to 30 rads.
Fry, R.J.M.; Powers-Risius, P.; Alpen, E.L.; Ainsworth, E.J.; Ullrich, R.L.
High Exposure Facility Technical Description
The High Exposure Facility is a collimated high-level gamma irradiator that is located in the basement of the 318 building. It was custom developed by PNNL back in 1982 to meet the needs for high range radiological instrument calibrations and dosimeter irradiations. At the time no commercially available product existed that could create exposure rates up to 20,000 R/h. This document is intended to pass on the design criteria that was employed to create this unique facility, while maintaining compliance with ANSI N543-1974, "General Safety Standard for Installations Using Non-Medical X-Ray and Sealed Gamma-Ray Sources, Energies up to 10 MeV."
Carter, Gregory L.; Stithem, Arthur R.; Murphy, Mark K.; Smith, Alex K.
Electrokinetic high pressure hydraulic system
An electrokinetic high pressure hydraulic pump for manipulating fluids in capillary-based systems. The pump uses electro-osmotic flow to provide a high pressure hydraulic system, having no moving mechanical parts, for pumping and/or compressing fluids, for providing valve means and means for opening and closing valves, for controlling fluid flow rate, and manipulating fluid flow generally and in capillary-based systems (Microsystems), in particular. The compact nature of the inventive high pressure hydraulic pump provides the ability to construct a micro-scale or capillary-based HPLC system that fulfills the desire for small sample quantity, low solvent consumption, improved efficiency, the ability to run samples in parallel, and field portability. Control of pressure and solvent flow rate is achieved by controlling the voltage applied to an electrokinetic pump.
Paul, Phillip H. (Livermore, CA); Rakestraw, David J. (Fremont, CA); Arnold, Don W. (Livermore, CA); Hencken, Kenneth R. (Pleasanton, CA); Schoeniger, Joseph S. (Oakland, CA); Neyer, David W. (Castro Valley, CA)
High pressure liquid level monitor
A liquid level monitor for tracking the level of a coal slurry in a high-pressure vessel including a toroidal-shaped float with magnetically permeable bands thereon disposed within the vessel, two pairs of magnetic field generators and detectors disposed outside the vessel adjacent the top and bottom thereof and magnetically coupled to the magnetically permeable bands on the float, and signal processing circuitry for combining signals from the top and bottom detectors for generating a monotonically increasing analog control signal which is a function of liquid level. The control signal may be utilized to operate high-pressure control valves associated with processes in which the high-pressure vessel is used.
Bean, Vern E. (Frederick, MD); Long, Frederick G. (Ijamsville, MD)
INL High Performance Building Strategy
High performance buildings, also known as sustainable buildings and green buildings, are resource efficient structures that minimize the impact on the environment by using less energy and water, reduce solid waste and pollutants, and limit the depletion of natural resources while also providing a thermally and visually comfortable working environment that increases productivity for building occupants. As Idaho National Laboratory (INL) becomes the nation�s premier nuclear energy research laboratory, the physical infrastructure will be established to help accomplish this mission. This infrastructure, particularly the buildings, should incorporate high performance sustainable design features in order to be environmentally responsible and reflect an image of progressiveness and innovation to the public and prospective employees. Additionally, INL is a large consumer of energy that contributes to both carbon emissions and resource inefficiency. In the current climate of rising energy prices and political pressure for carbon reduction, this guide will help new construction project teams to design facilities that are sustainable and reduce energy costs, thereby reducing carbon emissions. With these concerns in mind, the recommendations described in the INL High Performance Building Strategy (previously called the INL Green Building Strategy) are intended to form the INL foundation for high performance building standards. This revised strategy incorporates the latest federal and DOE orders (Executive Order [EO] 13514, �Federal Leadership in Environmental, Energy, and Economic Performance� [2009], EO 13423, �Strengthening Federal Environmental, Energy, and Transportation Management� [2007], and DOE Order 430.2B, �Departmental Energy, Renewable Energy, and Transportation Management� [2008]), the latest guidelines, trends, and observations in high performance building construction, and the latest changes to the Leadership in Energy and Environmental Design (LEED�) Green Building Rating System (LEED 2009). The document employs a two-level approach for high performance building at INL. The first level identifies the requirements of the Guiding Principles for Sustainable New Construction and Major Renovations, and the second level recommends which credits should be met when LEED Gold certification is required.
Jennifer D. Morton
géant de Karachaganak. Deux autres gisements sont à mentionner celui de Tengiz et de Kashagan. - Le
Faculté des arts et des sciences Département de linguistique et de traduction DEMANDE DE STAGE COOP
SkinDeEP: A Profiling Instrument for Upper-Decameter Sea Surface Measurements
The Skin Depth Experimental Profiler (SkinDeEP) is an autonomous, self-contained, hydrodynamic instrument capable of making repeated, high-resolution profiles of temperature and conductivity within the ocean's upper decameter. Autonomous ...
Brian Ward; Rik Wanninkhof; Peter J. Minnett; Michael J. Head
High Field Magnetic Resonance Facility
HFMRF Overview HFMRF Overview Section 2-3-1 High Field Magnetic Resonance Facility The High Field Magnetic Resonance Facility (HFMRF) focuses a significant portion of its research on developing a fundamental, molecular-level understanding of biochemical and biological systems and their response to environmental effects. A secondary focus is materials science, including catalysis and chemical mechanisms and processes. Staff and science consultants within this facility offer expertise in the areas of structural biology, solid-state materials characterization, and magnetic resonance imaging (MRI) techniques. Research activities in the HFMRF include: * structure determination of large molecular assemblies such as protein-DNA (normal and damaged DNA) and protein-RNA complexes
High temperature superconductor current leads
An electrical lead having one end for connection to an apparatus in a cryogenic environment and the other end for connection to an apparatus outside the cryogenic environment. The electrical lead includes a high temperature superconductor wire and an electrically conductive material distributed therein, where the conductive material is present at the one end of the lead at a concentration in the range of from 0 to about 3% by volume, and at the other end of the lead at a concentration of less than about 20% by volume. Various embodiments are shown for groups of high temperature superconductor wires and sheaths.
Hull, John R. (Hinsdale, IL); Poeppel, Roger B. (Glen Ellyn, IL)
A compact high pressure hydraulic pump having no moving mechanical parts for converting electric potential to hydraulic force. The electrokinetic pump, which can generate hydraulic pressures greater than 2500 psi, can be employed to compress a fluid, either liquid or gas, and manipulate fluid flow. The pump is particularly useful for capillary-base systems. By combining the electrokinetic pump with a housing having chambers separated by a flexible member, fluid flow, including high pressure fluids, is controlled by the application of an electric potential, that can vary with time.
Paul, Phillip H. (Livermore, CA); Rakestraw, David J. (Fremont, CA)
High ratio recirculating gas compressor
A high ratio positive displacement recirculating rotary compressor is disclosed. The compressor includes an integral heat exchanger and recirculation conduits for returning cooled, high pressure discharge gas to the compressor housing to reducing heating of the compressor and enable higher pressure ratios to be sustained. The compressor features a recirculation system which results in continuous and uninterrupted flow of recirculation gas to the compressor with no direct leakage to either the discharge port or the intake port of the compressor, resulting in a capability of higher sustained pressure ratios without overheating of the compressor.
Weinbrecht, John F. (601 Oakwood Pl., NE., Albuquerque, NM 87123)
A high ratio positive displacement recirculating rotary compressor is disclosed. The compressor includes an integral heat exchanger and recirculation conduits for returning cooled, high pressure discharge gas to the compressor housing to reducing heating of the compressor and enable higher pressure ratios to be sustained. The compressor features a recirculation system which results in continuous and uninterrupted flow of recirculation gas to the compressor with no direct leakage to either the discharge port or the intake port of the compressor, resulting in a capability of higher sustained pressure ratios without overheating of the compressor. 10 figs.
Weinbrecht, J.F.
High Performance Photovoltaic Project Overview
The High-Performance Photovoltaic (HiPerf PV) Project was initiated by the U.S. Department of Energy to substantially increase the viability of photovoltaics (PV) for cost-competitive applications so that PV can contribute significantly to our energy supply and environment in the 21st century. To accomplish this, the National Center for Photovoltaics (NCPV) directs in-house and subcontracted research in high-performance polycrystalline thin-film and multijunction concentrator devices. In this paper, we describe the recent research accomplishments in the in-house directed efforts and the research efforts under way in the subcontracted area.
Symko-Davies, M.; McConnell, R.
High-Average Power Facilities
There has been significant progress in the development of high-power facilities in recent years yet major challenges remain. The task of WG4 was to identify which facilities were capable of addressing the outstanding R&D issues presently preventing high-power operation. To this end, information from each of the facilities represented at the workshop was tabulated and the results are presented herein. A brief description of the major challenges is given, but the detailed elaboration can be found in the other three working group summaries.
Dowell, David H.; /SLAC; Power, John G.; /Argonne
High loading uranium fuel plate
Two embodiments of a high uranium fuel plate are disclosed which contain a meat comprising structured uranium compound confined between a pair of diffusion bonded ductile metal cladding plates uniformly covering the meat, the meat having a uniform high fuel loading comprising a content of uranium compound greater than about 45 Vol. % at a porosity not greater than about 10 Vol. %. In a first embodiment, the meat is a plurality of parallel wires of uranium compound. In a second embodiment, the meat is a dispersion compact containing uranium compound. The fuel plates are fabricated by a hot isostatic pressing process.
Wiencek, Thomas C. (Bolingbrook, IL); Domagala, Robert F. (Indian Head Park, IL); Thresh, Henry R. (Palos Heights, IL)
High Temperature Optical Gas Sensing
Optical Gas Sensing Optical Gas Sensing Opportunity Research is active on optical sensors integrated with advanced sensing materials for high temperature embedded gas sensing applications. Patent applications have been filed for two inventions in this area and several other methods are currently under development. These technologies are available for licensing and/or further collaborative research from the U.S. Department of Energy's National Energy Technology Laboratory (NETL). Organizations or individuals with capabilities in optical sensor packaging for harsh environment and high temperature applications are encouraged to contact NETL to explore potential collaborative opportunities. Overview Contact NETL Technology Transfer Group firstname.lastname@example.com
Programas condensados de los cursos bsicos de Maestra y Mecnica Clsica. Teoremas de conservacin. Revisin de las leyes de Newton. Principio de
, soluciones continuas. 12. El átomo de hidrogeno: Simplificación de la ecuación radial. Números cuánticos. Corrimiento a segundo orden. 2. El Atomo de Hidrogeno real: Correcciones relativistas de la masa. Acoplamiento
La salud de los pueblos indgenas de Mxico
Defensa Nacional (SEDENA) p Secretaría de Marina (SEDEMAR) p Petróleos Mexicanos (PEMEX) * Poseen Nacional (SEDENA) Secretaría de Marina (SEDEMAR) Petróleos Mexicanos (PEMEX) * Poseen esquemas de
R�gression bay�sienne sous contraintes de r�gularit� et de forme.
??Nous �tudions la r�gression bay�sienne sous contraintes de r�gularit� et de forme. Pour cela,on consid�re une base de B-spline pour obtenir une courbe lisse et� (more)
Khadraoui, Khader
Analyse de sensibilit� param�trique d�un outil de mod�lisation des cons�quences de sc�narios d�accidents. Application � la dispersion atmosph�rique de rejets avec le logiciel Phast.
??L�objectif de la th�se est d�effectuer l�analyse de sensibilit� param�trique du logiciel Phast de mod�lisation de la dispersion atmosph�rique de gaz toxiques et/ou inflammables. La� (more)
Pandya, Nishant
Integraci�n de la producci�n de hidr�geno a partir del gas natural a la matriz energ�tica nacional.
??En el Per� el 26 de febrero del 2005 se public� el proyecto de Decreto Supremo conteniendo el cronograma de reducci�n del contenido de azufre� (more)
Terrones Huanca, H�ctor Manuel
Reference material RM 7811-7 for identification cards with high coercivity high density magnetic stripes
Albrecht, M
High Speed ADC Design Methodology
545. [11] Siqiang Fan, �High Speed ADC Design Techniques�,Fan, Xin Wang, Lin Lin, Qiang Fang, Jian Liu and Albert Wang, �DesignFan, Xin Wang, Lin Lin, Qiang Fang, Jian Liu, Bin Zhao and Albert Wang, �Capacitive Interpolated Flash ADC Design
Tang, He
High-efficiency photovoltaic cells
High efficiency solar converters comprised of a two cell, non-lattice matched, monolithic stacked semiconductor configuration using optimum pairs of cells having bandgaps in the range 1.6 to 1.7 eV and 0.95 to 1.1 eV, and a method of fabrication thereof, are disclosed. The high band gap subcells are fabricated using metal organic chemical vapor deposition (MOCVD), liquid phase epitaxy (LPE) or molecular beam epitaxy (MBE) to produce the required AlGaAs layers of optimized composition, thickness and doping to produce high performance, heteroface homojunction devices. The low bandgap subcells are similarly fabricated from AlGa(As)Sb compositions by LPE, MBE or MOCVD. These subcells are then coupled to form a monolithic structure by an appropriate bonding technique which also forms the required transparent intercell ohmic contact (IOC) between the two subcells. Improved ohmic contacts to the high bandgap semiconductor structure can be formed by vacuum evaporating to suitable metal or semiconductor materials which react during laser annealing to form a low bandgap semiconductor which provides a low contact resistance structure.
Yang, H.T.; Zehr, S.W.
High temperature turbine engine structure
A high temperature turbine engine includes a rotor portion having axially stacked adjacent ceramic rotor parts. A ceramic/ceramic joint structure transmits torque between the rotor parts while maintaining coaxial alignment and axially spaced mutually parallel relation thereof despite thermal and centrifugal cycling.
Boyd, Gary L. (Tempe, AZ)
Special Issue: High Elevation Forests
Resources, Colorado State University William Ciesla, Aerial Survey Coordinator, U.S. Forest Service (retired material for homes. They also capture, purify, and release water for our use. Recent aerial surveys confirmSpecial Issue: High Elevation Forests 2008 The Health of Colorado's Forests Report #12;David A
High fidelity lighting of Knossos
Five kilometres from Heraklion, Crete is the Minoan Palace of Knossos. First discovered in 1878 by Minos Kalokairinos, the site today is most commonly associated with Sir Arthur Evans who bought the space in 1898 when Turkish occupation ceased in Crete. ... Keywords: Knossos, high fidelity graphics, physically based lighting, virtual archaeology
Ioannis Roussos; Alan Chalmers
High-temperature plasma physics
Both magnetic and inertial confinement research are entering the plasma parameter range of fusion reactor interest. This paper reviews the individual and common technical problems of these two approaches to the generation of thermonuclear plasmas, and describes some related applications of high-temperature plasma physics.
Furth, H.P.
on the Cerro P r i e t o Geothermal F i e l d , Mexicali,e C e r r o P r i e t o Geothermal F i e l d , Baja C a l i1979 HIGH TEMPERATURE GEOTHERMAL RESERVOIR ENGINEERING R.
Schroeder, R.C.
High Efficiency New Metallurgical Technology
Mar 4, 2013 ... The alumina leaching rate of calcium aluminate in residue is over 80%. .... Different types of plasma torches including a high power steam plasma torch ... for about 50% of the total NOX emissions in the iron and steel industry.
High temperature mineral fiber binder
A modified phenol formaldehyde condensate is reacted with boric acid and cured in the presence of a polyfunctional nitrogeneous compound to provide a binder for mineral wool fibers which is particularly suited for thermal insulation products intended for high temperature service.
Miedaner, P.M.
A high temperature turbine engine includes a hybrid ceramic/metallic rotor member having ceramic/metal joint structure. The disclosed joint is able to endure higher temperatures than previously possible, and aids in controlling heat transfer in the rotor member.
High temperature size selective membranes
The objective of this research is to develop a high temperature size selective membrane capable of separating gas mixture components from each other based on molecular size, using a molecular sieving mechanism. The authors are evaluating two concepts: a composite of a carbon molecular sieve (CMS) with a tightly defined pore size distribution between 3 and 4 {angstrom}, and a microporous supporting matrix which provides mechanical strength and resistance to thermal degradation, and a sandwich of a CMS film between the porous supports. The high temperature membranes the authors are developing can be used to replace the current low-temperature unit operations for separating gaseous mixtures, especially hydrogen, from the products of the water gas shift reaction at high temperatures. Membranes that have a high selectivity and have both thermal and chemical stability would improve substantially the economics of the coal gasification process. These membranes can also improve other industrial processes such as the ammonia production and oil reform processes where hydrogen separation is crucial. Results of tests on a supported membrane and an unsupported carbon film are presented.
Yates, S.F.; Zhou, S.J.; Anderson, D.J.; Til, A.E. van
Geothermal high temperature instrumentation applications
A quick look at the geothermal industry shows a small industry producing about $1 billion in electric sales annually. The industry is becoming older and in need of new innovative solutions to instrumentation problems. A quick look at problem areas is given along with basic instrumentation requirements. The focus of instrumentation is on high temperature electronics.
Normann, R.A. [Sandia National Labs., Albuquerque, NM (United States); Livesay, B.J. [Livesay Consultants (United States)
High Critical Current Coated Conductors
One of the important critical needs that came out of the DOE�s coated conductor workshop was to develop a high throughput and economic deposition process for YBCO. Metal-organic chemical vapor deposition (MOCVD) technique, the most critical steps in high technical micro fabrications, has been widely employed in semiconductor industry for various thin film growth. SuperPower has demonstrated that (Y,Gd)BCO films can be deposited rapid with world record performance. In addition to high critical current density with increased film thickness, flux pinning properties of REBCO films needs to be improved to meet the DOE requirements for various electric-power equipments. We have shown that doping with Zr can result in BZO nanocolumns, but at substantially reduced deposition rate. The primary purpose of this subtask is to develop high current density MOCVD-REBCO coated conductors based on the ion-beam assisted (IBAD)-MgO deposition process. Another purpose of this subtask is to investigate HTS conductor design optimization (maximize Je) with emphasis on stability and protection issues, and ac loss for REBCO coated conductors.
Paranthaman, M. P.; Selvamanickam, V. (SuperPower, Inc.)
High-gravity central stars
NLTE spectral analyses of high-gravity central stars by means of state-of-the-art model atmosphere techniques provide information about the precursor AGB stars. The hydrogen-deficient post-AGB stars allow investigations on the intershell matter which is apparently exhibited at the stellar surface. We summarize recent results from imaging, spectroscopy, and spectropolarimetry.
Thomas Rauch
High precision redundant robotic manipulator
A high precision redundant robotic manipulator for overcoming contents imposed by obstacles or imposed by a highly congested work space. One embodiment of the manipulator has four degrees of freedom and another embodiment has seven degreed of freedom. Each of the embodiments utilize a first selective compliant assembly robot arm (SCARA) configuration to provide high stiffness in the vertical plane, a second SCARA configuration to provide high stiffness in the horizontal plane. The seven degree of freedom embodiment also utilizes kinematic redundancy to provide the capability of avoiding obstacles that lie between the base of the manipulator and the end effector or link of the manipulator. These additional three degrees of freedom are added at the wrist link of the manipulator to provide pitch, yaw and roll. The seven degrees of freedom embodiment uses one revolute point per degree of freedom. For each of the revolute joints, a harmonic gear coupled to an electric motor is introduced, and together with properly designed based servo controllers provide an end point repeatability of less than 10 microns.
Young, Kar-Keung David (Mountain View, CA)
A high precision redundant robotic manipulator for overcoming contents imposed by obstacles or imposed by a highly congested work space is disclosed. One embodiment of the manipulator has four degrees of freedom and another embodiment has seven degrees of freedom. Each of the embodiments utilize a first selective compliant assembly robot arm (SCARA) configuration to provide high stiffness in the vertical plane, a second SCARA configuration to provide high stiffness in the horizontal plane. The seven degree of freedom embodiment also utilizes kinematic redundancy to provide the capability of avoiding obstacles that lie between the base of the manipulator and the end effector or link of the manipulator. These additional three degrees of freedom are added at the wrist link of the manipulator to provide pitch, yaw and roll. The seven degrees of freedom embodiment uses one revolute point per degree of freedom. For each of the revolute joints, a harmonic gear coupled to an electric motor is introduced, and together with properly designed based servo controllers provide an end point repeatability of less than 10 microns. 3 figs.
Young, K.K.D.
Institut National Polytechnique de Lorraine
, Dept.Eng.Mecanica, Coimbra, Portugal) C. PICARD (Lieutenant Colonel,CEREN, Gardanne) P. PERRE Mecanica de Coimbra , P. PERRE, Professeur `a l' ENGREF de Nancy, et P. BALABANIS, Docteur de la Commission
High energy resolution, high angular acceptance crystal monochromator
A 4-bounce dispersive crystal monochromator reduces the bandpass of synchrotron radiation to a 10-50 meV range without sacrificing angular acceptance. The monochromator includes the combination of an asymmetrical channel-cut single crystal of lower order reflection and a symmetrical channel-cut single crystal of higher order reflection in a nested geometric configuration. In the disclosed embodiment, a highly asymmetrically cut (.alpha.=20) outer silicon crystal (4 2 2) with low order reflection is combined with a symmetrically cut inner silicon crystal (10 6 4) with high order reflection to condition a hard x-ray component (5-30 keV) of synchrotron radiation down to the .mu.eV-neV level. Each of the crystals is coupled to the combination of a positioning inchworm and angle encoder via a respective rotation stage for accurate relative positioning of the crystals and precise energy tuning of the monochromator.
Alp, Ercan E. (Bolingbrook, IL); Mooney, Timothy M. (Westmont, IL); Toellner, Thomas (Green Bay, WI)
Refractory materials can be limited in their application by many factors including chemical reactions between the service environment and the refractory material, mechanical degradation of the refractory material by the service environment, temperature limitations on the use of a particular refractory material, and the inability to install or repair the refractory material in a cost effective manner or while the vessel was in service. The objective of this project was to address the need for new innovative refractory compositions by developing a family of novel MgO-Al 2O3 spinel or other similar magnesia/alumina containing unshaped refractory composition (castables, gunnables, shotcretes, etc) utilizing new aggregate materials, bond systems, protective coatings, and phase formation techniques (in-situ phase formation, altered conversion temperatures, accelerated reactions, etc). This family of refractory compositions would then be tailored for use in high-temperature, high-alkaline industrial environments like those found in the aluminum, chemical, forest products, glass, and steel industries.
Hemrick, James Gordon [ORNL
A 4-bounce dispersive crystal monochromator reduces the bandpass of synchrotron radiation to a 10-50 meV range without sacrificing angular acceptance. The monochromator includes the combination of an asymmetrical channel-cut single crystal of lower order reflection and a symmetrical channel-cut single crystal of higher order reflection in a nested geometric configuration. In the disclosed embodiment, a highly asymmetrically cut ({alpha}=20) outer silicon crystal (4 2 2) with low order reflection is combined with a symmetrically cut inner silicon crystal (10 6 4) with high order reflection to condition a hard x-ray component (5--30 keV) of synchrotron radiation down to the {micro}eV-neV level. Each of the crystals is coupled to the combination of a positioning inchworm and angle encoder via a respective rotation stage for accurate relative positioning of the crystals and precise energy tuning of the monochromator. 7 figs.
Alp, E.E.; Mooney, T.M.; Toellner, T.
High performance internal reforming unit for high temperature fuel cells
A fuel reformer having an enclosure with first and second opposing surfaces, a sidewall connecting the first and second opposing surfaces and an inlet port and an outlet port in the sidewall. A plate assembly supporting a catalyst and baffles are also disposed in the enclosure. A main baffle extends into the enclosure from a point of the sidewall between the inlet and outlet ports. The main baffle cooperates with the enclosure and the plate assembly to establish a path for the flow of fuel gas through the reformer from the inlet port to the outlet port. At least a first directing baffle extends in the enclosure from one of the sidewall and the main baffle and cooperates with the plate assembly and the enclosure to alter the gas flow path. Desired graded catalyst loading pattern has been defined for optimized thermal management for the internal reforming high temperature fuel cells so as to achieve high cell performance.
Ma, Zhiwen (Sandy Hook, CT); Venkataraman, Ramakrishnan (New Milford, CT); Novacco, Lawrence J. (Brookfield, CT)
Agua Paulista de Geracao de Energia | Open Energy Information
search Name Agua Paulista de Geracao de Energia Place Sao Paulo, Brazil Sector Hydro Product Sao Paulo-based subsidiary company of Grupo Bertin, developing small hydro...
de una cadena s´olo puede unirse, por medio de dos enlaces de hidr´ogeno (las dos l´ineas punteadas´olo puede unirse a una citosina, pero lo hace por medio de tres enlaces de hidr´ogeno en lugar de dos. As es m´as inestable, al tener s´olo dos puentes de hidr´ogeno, por lo que es m´as f´acil de romper que
Ares, Saúl
Modelagem matem�tica de reator para produ��o de �lcoois graxos etoxilados.
??Foi desenvolvido modelo matem�tico para o processo de produ��o de �lcoois etoxilados em um reator batelada com spray da fase l�quida na fase gasosa. O� (more)
Gisele Milanello do Amaral
Desenvolvimento de um calor�metro para avalia��o de evaporadores.
??Apresenta-se neste trabalho um prot�tipo de calor�metro desenvolvido para avaliar o desempenho energ�tico em regime permanente de evaporadores tipo tuboaletas utilizados em refrigeradores e condicionadores� (more)
Alexsander Cristo Piske
High pressure/high temperature thermogravimetric apparatus. Final report
The purpose of this instrumentation grant was to acquire a state-of-the-art, high pressure, high temperature thermogravimetric apparatus (HP/HT TGA) system for the study of the interactions between gases and carbonaceous solids for the purpose of solving problems related to coal utilization and applications of carbon materials. The instrument that we identified for this purpose was manufactured by DMT (Deutsche Montan Technologies)--Institute of Cokemaking and Coal Chemistry of Essen, Germany. Particular features of note include: Two reactors: a standard TGA reactor, capable of 1100 C at 100 bar; and a high temperature (HT) reactor, capable of operation at 1600 C and 100 bar; A steam generator capable of generating steam to 100 bar; Flow controllers and gas mixing system for up to three reaction gases, plus a separate circuit for steam, and another for purge gas; and An automated software system for data acquisition and control. The HP/TP DMT-TGA apparatus was purchased in 1996 and installed and commissioned during the summer of 1996. The apparatus was located in Room 128 of the Prince Engineering Building at Brown University. A hydrogen alarm and vent system were added for safety considerations. The system has been interfaced to an Ametek quadruple mass spectrometer (MA 100), pumped by a Varian V250 turbomolecular pump, as provided for in the original proposed. With this capability, a number of gas phase species of interest can be monitored in a near-simultaneous fashion. The MS can be used in a few different modes. During high pressure, steady-state gasification experiments, it is used to sample, measure, and monitor the reactant/product gases. It can also be used to monitor gas phase species during nonisothermal temperature programmed reaction (TPR) or temperature programmed desorption (TPD) experiments.
Calo, J.M.; Suuberg, E.M.
Assessment of microelectronics packaging for high temperature, high reliability applications
This report details characterization and development activities in electronic packaging for high temperature applications. This project was conducted through a Department of Energy sponsored Cooperative Research and Development Agreement between Sandia National Laboratories and General Motors. Even though the target application of this collaborative effort is an automotive electronic throttle control system which would be located in the engine compartment, results of this work are directly applicable to Sandia`s national security mission. The component count associated with the throttle control dictates the use of high density packaging not offered by conventional surface mount. An enabling packaging technology was selected and thermal models defined which characterized the thermal and mechanical response of the throttle control module. These models were used to optimize thick film multichip module design, characterize the thermal signatures of the electronic components inside the module, and to determine the temperature field and resulting thermal stresses under conditions that may be encountered during the operational life of the throttle control module. Because the need to use unpackaged devices limits the level of testing that can be performed either at the wafer level or as individual dice, an approach to assure a high level of reliability of the unpackaged components was formulated. Component assembly and interconnect technologies were also evaluated and characterized for high temperature applications. Electrical, mechanical and chemical characterizations of enabling die and component attach technologies were performed. Additionally, studies were conducted to assess the performance and reliability of gold and aluminum wire bonding to thick film conductor inks. Kinetic models were developed and validated to estimate wire bond reliability.
Uribe, F.
High power densities from high-temperature material interactions
Thermionic energy conversion (TEC) and metallic-fluid heat pipes (MFHPs) offer important and unique advantages in terrestrial and space energy processing. And they are well suited to serve together synergistically. TEC and MFHPs operate through working-fluid vaporization, condensation cycles that accept great thermal power densities at high temperatures. TEC and MFHPs have apparently simple, isolated performance mechanisms that are somewhat similar. And they also have obviously difficult, complected material problems that again are somewhat similar. Intensive investigation reveals that aspects of their operating cycles and material problems tend to merge: high-temperature material effects determine the level and lifetime of performance. Simplified equations verify the preceding statement for TEC and MFHPs. Material properties and interactions exert primary influences on operational effectiveness. And thermophysicochemical stabilities dictate operating temperatures which regulate the thermoemissive currents of TEC and the vaporization flow rates of MFHPs. Major high-temperature material problems of TEC and MFHPs have been solved. These solutions lead to productive, cost-effective applications of current TEC and MFHPs - and point to significant improvements with anticipated technological gains.
Morris, J.F.
Diphenylamine traces in handswabs and clothing debris: cleanup and liquid chromatography with sequential oxidative and reductive electrochemical detection
Because of its low basicity, diphenylamine (DPA) absorbed from acetonitrile onto a strongly acidic cation exchange resin is readily displaced by small amounts of water. Hence, microcolumns of the resin may be used in the selective recovery of DPA from clothing debris and from handswab extracts. The eluates are analyzed by high-performance liquid chromatography with oxidative detection at porous graphite electrodes, when DPA undergoes a four-electron oxidation, followed by reductive detection of the oxidation product at a pendent mercury drop electrode. Some examples are quoted of background amounts of DPA that overlap the published results of DPA transfer due to firearms discharge.
Lloyd, J.B.F.
Fluxos de Carbono de Ecossistema e
ingls: pginas 389 a 407. 1 Fluxos de Carbono do Ecossistema e Metabolismo da Floresta Amaznica Scott Saleska, 1 Humberto da Rocha, 2 Bart Kruijt, 3 e Antonio Nobre, 4...
The Jefferson Lab High Power Light Source
Jefferson Lab has designed, built and operated two high average power free-electron lasers (FEL) using superconducting RF (SRF) technology and energy recovery techniques. Between 1999-2001 Jefferson Lab operated the IR Demo FEL. This device produced over 2 kW in the mid-infrared, in addition to producing world record average powers in the visible (50 W), ultraviolet (10 W) and terahertz range (50 W) for tunable, short-pulse (power demonstration of an accelerator configuration that is being exploited for a number of new accelerator-driven light source facilities that are currently under design or construction. The driver accelerator for the IR Demo FEL uses an Energy Recovered Linac (ERL) configuration that improves the energy efficiency and lowers both the capital and operating cost of such devices by recovering most of the power in the spent electron beam after optical power is extracted from the beam. The IR Demo FEL was de-commissioned in late 2001 for an upgraded FEL for extending the IR power to over 10 kW and the ultraviolet power to over 1 kW. The FEL Upgrade achieved 10 kW of average power in the mid-IR (6 microns) in July of 2004, and its IR operation currently is being extended down to 1 micron. In addition, we have demonstrated the capability of on/off cycling and recovering over a megawatt of electron beam power without diminishing machine performance. A complementary UV FEL will come on-line within the next year. This paper presents a summary of the FEL characteristics, user community accomplishments with the IR Demo, and planned user experiments.
James R. Boyce
Ytinerario de la expedici�n de Juan de O�ate a Nuevo M�xico 1597-1599
se descubrio nueue leguas ha�ia oriente la salina de granoa pobla�ones por la parte del oriente hasta oy veynte detres leguas y mas hacia el oriente y mana de ojos de agua
Craddock, Jerry R.; De Marco, Barbara
Avalia��o da correla��o entre o trabalho essencial de fratura (EWF) e o grau de gelifica��o de compostos de PVC r�gido.
??O poli(cloreto de vinila) ou PVC est� entre os termopl�sticos mais consumidos em todo o mundo e possui uma grande versatilidade: Uma grande gama de� (more)
Rafael Vilela Laurini
High voltage photovoltaic power converter
An array of independently connected photovoltaic cells on a semi-insulating substrate contains reflective coatings between the cells to enhance efficiency. A uniform, flat top laser beam profile is illuminated upon the array to produce electrical current having high voltage. An essentially wireless system includes a laser energy source being fed through optic fiber and cast upon the photovoltaic cell array to prevent stray electrical signals prior to use of the current from the array. Direct bandgap, single crystal semiconductor materials, such as GaAs, are commonly used in the array. Useful applications of the system include locations where high voltages are provided to confined spaces such as in explosive detonation, accelerators, photo cathodes and medical appliances.
Haigh, Ronald E. (Arvada, CO); Wojtczuk, Steve (Cambridge, MA); Jacobson, Gerard F. (Livermore, CA); Hagans, Karla G. (Livermore, CA)
High Temperature Heat Exchanger Project
The UNLV Research Foundation assembled a research consortium for high temperature heat exchanger design and materials compatibility and performance comprised of university and private industry partners under the auspices of the US DOE-NE Nuclear Hydrogen Initiative in October 2003. The objectives of the consortium were to conduct investigations of candidate materials for high temperature heat exchanger componets in hydrogen production processes and design and perform prototypical testing of heat exchangers. The initial research of the consortium focused on the intermediate heat exchanger (located between the nuclear reactor and hydrogen production plan) and the components for the hydrogen iodine decomposition process and sulfuric acid decomposition process. These heat exchanger components were deemed the most challenging from a materials performance and compatibility perspective
Anthony E. Hechanova, Ph.D.
High-Throughput Screening Techniques
Throughput Throughput Screening Techniques for Biomass Conversion Stephen R. Decker & Roman Brunecky & Melvin P. Tucker & Michael E. Himmel & Michael J. Selig Published online: 14 October 2009 # US Government 2009 Abstract High-throughput (HTP) screening of biomass or biomass-degrading enzymes, regardless of the desired outcome, is fraught with obstacles and challenges not typically faced in more traditional biotechnology. The enzyme systems are complex and synergistic and the substrate is highly heterogeneous, insoluble, and difficult to dispense. Digestions are often carried out for days at temperatures of 50°C or higher, leading to significant challenges regarding evaporation control in small well volumes. Furthermore, it is often desirable to condition or "pretreat" the biomass at extreme temperatures and/or pH to enhance enzyme digestibility.
Radiometry High Spectral Resolution Fourier
High Spectral Resolution Fourier High Spectral Resolution Fourier Transform Infrared Instruments for the Atmospheric Radiation Measurement Program H. E. Revercomb, W. L. Smith, R. O. Knuteson, F. A. Best, R. G. Dedecker, T. P. Dirkx, R. A. Herbsleb, and J. F. Short University of Wisconsin Madison, Wisconsin H. B. Howell National Oceanic and Atmospheric Administration Systems Design and Applications Branch Madison, Wisconsin D. Murcray and F. Murcray University of Denver Denver, Colorado Accurate and spectrally detailed observations of the thermal emission from radiatively important atmospheric gases, aerosols, and clouds have been identified as crucial for realizing the overall objectives of the Atmospheric Radiation Measurement (ARM) Program to improve the treatment of radiation and clouds in climate models. The observed
High Capacity Immobilized Amine Sorbents
Capacity Immobilized Amine Sorbents Capacity Immobilized Amine Sorbents Opportunity The Department of Energy's National Energy Technology Laboratory is seeking licensing partners interested in implementing United States Patent Number 7,288,136 entitled "High Capacity Immobilized Amine Sorbents." Disclosed in this patent is the invention of a method that facilitates the production of low-cost carbon dioxide (CO 2 ) sorbents for use in large-scale gas-solid processes. This method treats an amine to increase the number of secondary amine groups and impregnates the amine in a porous solid support. As a result of this improvement, the method increases CO 2 capture capacity and decreases the cost of using an amine-enriched solid sorbent in CO 2 capture systems. Overview The U.S. Department of Energy has placed a high priority on the separation
High Mesa | Open Energy Information
Mesa Mesa Jump to: navigation, search Name High Mesa Facility High Mesa Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner Exelon Wind Developer Exelon Wind Energy Purchaser Idaho Power Location Bliss ID Coordinates 42.88797667°, -115.0169849° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":42.88797667,"lon":-115.0169849,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}
Erica De Vos
�As Director of the�Executive Secretariat,�Erica De Vos�oversees Department of Energy letters, internal memos, reports, and other written communications, which form a key...
Cees de Laat
Operate for the Energy Sciences Network Enclave (ESnet) Policy Board Vinton Cerf David Clark David Foster Cees de Laat Kristin Rauschenbach Jagdeep Singh Larry Smarr Our Network...
Coiffe de pandit
symbolise la lign�e ininterrompue des accomplissements r�alis�s sur la base de ces m�mes enseignements. Ainsi, ce chapeau symbolise tous les dharma de la voie et du fruit sans exception. Il est dit dans les trait�s que cette couronne (cod pa#3;) est pour... couleur du chapeau a �t� chang�e de rouge en jaune. Dung dkar Blo bzang phrin las explique ainsi cette filiation dans la d�finition qu�il donne de l�expression � cod pan gser zhun mdzes pa�i bstan pa �41 : � Dans quelques ouvrages historiographiques...
Bock, Etienne
Production of high purity radiothallium
The method of producing high purity thallium-201 for use as a myocardial scanning agent comprising the steps of irradiating a thallium target with protons to give the reaction .sup.203 Tl(p,3n) .sup.201.sub.Pb, separating in ion exchange columns the lead from the thallium isotopes, permitting the lead to decay, and then purifying the thallium solution and converting the thallium present to thallous form in which it can be used.
Lebowitz, Elliot (Brookline, MA); Greene, Margaret W. (Bellport, NY)
A high temperature ceramic/metallic turbine engine includes a metallic housing which journals a rotor member of the turbine engine. A ceramic disk-like shroud portion of the engine is supported on the metallic housing portion and maintains a close running clearance with the rotor member. A ceramic spacer assembly maintains the close running clearance of the shroud portion and rotor member despite differential thermal movements between the shroud portion and metallic housing portion.
Carruthers, William D. (Mesa, AZ); Boyd, Gary L. (Tempe, AZ)
A high-temperature microscope is offered. It has a reflecting optic situated above a molten specimen in a furnace and reflecting the image of the same downward through an inert optic member in the floor of the furnace, a plurality of spaced reflecting plane mirrors defining a reflecting path around the furnace, a standard microscope supported in the path of and forming the end terminus of the light path.
Olson, D.M.
High voltage, direct current power supplies are described for use with battery powered nuclear detection equipment. The particular advantages of the power supply described, are increased efficiency and reduced size and welght brought about by the use of transistors in the circuit. An important feature resides tn the employment of a pair of transistors in an alternatefiring oscillator circuit having a coupling transformer and other circuit components which are used for interconnecting the various electrodes of the transistors.
Driver, G.E.
High current pulse transmission cable
This invention is comprised of a transmission cable for carrying high current pulses in which an even numbered plurality of electrical conductors surrounds a central ground conductor. Each electrical conductor is connected so that it at any instant in time it will carry current of opposite polarity to the polarity carried by adjacent conductors. This arrangement cancels practically all of the external fields generated by current in the conductors.
Parsons, W.M.
Contaminated Outdoor High Voltage Insulators
The external insulation of power lines and outdoor substations is a weak point in transmission systems. The insulation is particularly susceptible to failure if proper attention has not been given to its design, condition monitoring, and maintenance. In regions with high contamination levels, regular maintenance and the application of palliative measures can be critical to ensure that the system meets its outage performance targets. This can involve pure maintenance measures such as cleaning the insulato...
High-temperature geothermal cableheads
Two high-temperature, corrosion-resistant logging cableheads which use metal seals and a stable fluid to achieve proper electrical terminations and cable-sonde interfacings are described. A tensile bar provides a calibrated yield point, and a cone assembly anchors the cable armor to the head. Electrical problems of the sort generally ascribable to the cable-sonde interface were absent during demonstration hostile-environment loggings in which these cableheads were used.
Coquat, J.A.; Eifert, R.W.
SESSION DE LINGUISTIQUE ET DE LITT�?RATURE DE L'ASSOCIATION CLELIA �?vian-les-Bains, 27-31 août 2012 La session de linguistique et de littérature organisée par l'Association CLELIA aura lieu du lundi 27. La linguistique de l'énonciation et la polyphonie : introduction générale. 2. La polyphonie
Gutkin, Boris
High temperature catalytic membrane reactors
Current state-of-the-art inorganic oxide membranes offer the potential of being modified to yield catalytic properties. The resulting modules may be configured to simultaneously induce catalytic reactions with product concentration and separation in a single processing step. Processes utilizing such catalytically active membrane reactors have the potential for dramatically increasing yield reactions which are currently limited by either thermodynamic equilibria, product inhibition, or kinetic selectivity. Examples of commercial interest include hydrogenation, dehydrogenation, partial and selective oxidation, hydrations, hydrocarbon cracking, olefin metathesis, hydroformylation, and olefin polymerization. A large portion of the most significant reactions fall into the category of high temperature, gas phase chemical and petrochemical processes. Microporous oxide membranes are well suited for these applications. A program is proposed to investigate selected model reactions of commercial interest (i.e. dehydrogenation of ethylbenzene to styrene and dehydrogenation of butane to butadiene) using a high temperature catalytic membrane reactor. Membranes will be developed, reaction dynamics characterized, and production processes developed, culminating in laboratory-scale demonstration of technical and economic feasibility. As a result, the anticipated increased yield per reactor pass economic incentives are envisioned. First, a large decrease in the temperature required to obtain high yield should be possible because of the reduced driving force requirement. Significantly higher conversion per pass implies a reduced recycle ratio, as well as reduced reactor size. Both factors result in reduced capital costs, as well as savings in cost of reactants and energy.
Advanced high efficiency concentrator cells
This report describes research to develop the technology needed to demonstrate a monolithic, multijunction, two-terminal, concentrator solar cell with a terrestrial power conversion efficiency greater than 35%. Under three previous subcontracts, Varian developed many of the aspects of a technology needed to fabricate very high efficiency concentrator cells. The current project was aimed at exploiting the new understanding of high efficiency solar cells. Key results covered in this report are as follows. (1) A 1.93-eV AlGaAs/1.42-eV GaAs metal-interconnected cascade cell was manufactured with a one-sun efficiency at 27.6% at air mass 1.5 (AM1.5) global. (2) A 1.0eV InGaAs cell was fabricated on the reverse'' side of a low-doped GaAs substrate with a one-sun efficiency of 2.5% AM1.5 diffuse and a short-circuit current of 14.4 mA/cm{sup 2}. (3) Small-scale manufacturing of GaAs p/n concentrator cells was attempted and obtained an excellent yield of high-efficiency cells. (4) Grown-in tunnel junction cell interconnects that are transparent and thermally stable using C and Si dopants were developed. 10 refs.
Gale, R. (Varian Associates, Inc., Palo Alto, CA (United States). Varian Research Center)
High precision thermal neutron detectors
Two-dimensional position sensitive detectors are indispensable in neutron diffraction experiments for determination of molecular and crystal structures in biology, solid-state physics and polymer chemistry. Some performance characteristics of these detectors are elementary and obvious, such as the position resolution, number of resolution elements, neutron detection efficiency, counting rate and sensitivity to gamma-ray background. High performance detectors are distinguished by more subtle characteristics such as the stability of the response (efficiency) versus position, stability of the recorded neutron positions, dynamic range, blooming or halo effects. While relatively few of them are needed around the world, these high performance devices are sophisticated and fairly complex; their development requires very specialized efforts. In this context, we describe here a program of detector development, based on {sup 3}He filled proportional chambers, which has been underway for some years at Brookhaven. Fundamental approaches and practical considerations are outlined that have resulted in a series of high performance detectors with the best known position resolution, position stability, uniformity of reliability over time of this type.
Radeka, V.; Schaknowski, N.A.; Smith, G.C.; and Yu, B.
High Energy Laser Diagnostic Sensors
Recent advancements in high energy laser (HEL) sources have outpaced diagnostic tools capable of accurately quantifying system performance. Diagnostic tools are needed that allow system developers to measure the parameters that define HEL effectiveness. The two critical parameters for quantifying HEL effectiveness are the irradiance on target and resultant rise in target temperature. Off-board sensing has its limitations, including unpredictable changes in the reflectivity of the target, smoke and outgassing, and atmospheric distortion. On-board sensors overcome the limitations of off-board techniques but must survive high irradiance levels and extreme temperatures.We have developed sensors for on-target diagnostics of high energy laser beams and for the measurement of the thermal response of the target. The conformal sensors consist of an array of quantum dot photodetectors and resistive temperature detectors. The sensor arrays are lithographically fabricated on flexible substrates and can be attached to a variety of laser targets. We have developed a nanoparticle adhesive process that provides good thermal contact with the target and that ensures the sensor remains attached to the target for as long as the target survives. We have calibrated the temperature and irradiance sensors and demonstrated them in a HEL environment.
Luke, James R.; Goddard, Douglas N.; Thomas, David [AEgis Technologies Group, 10501 Research Rd SE, Suite D, Albuquerque, NM 87123, 505-938-9221 (United States); Lewis, Jay [RTI International, Research Triangle Park, NC (United States)
High-energy atmospheric neutrinos
High-energy neutrinos, arising from decays of mesons that were produced through the cosmic rays collisions with air nuclei, form unavoidable background noise in the astrophysical neutrino detection problem. The atmospheric neutrino flux above 1 PeV should be supposedly dominated by the contribution of charmed particle decays. These (prompt) neutrinos originated from decays of massive and shortlived particles, $D^\\pm$, $D^0$, $\\bar{D}{}^0$, $D_s^\\pm$, $\\Lambda^+_c$, form the most uncertain fraction of the high-energy atmospheric neutrino flux because of poor explored processes of the charm production. Besides, an ambiguity in high-energy behavior of pion and especially kaon production cross sections for nucleon-nucleus collisions may affect essentially the calculated neutrino flux. There is the energy region where above flux uncertainties superimpose. A new calculation presented here reveals sizable differences, up to the factor of 1.8 above 1 TeV, in muon neutrino flux predictions obtained with usage of known...
Sinegovsky, S I; Sinegovskaya, T S
Desarrollo de catalizadores met�licos soportados para la obtenci�n de gas de s�ntesis.
??Desde principios del siglo XIX, la comunidad cient�fica ha reconocido al hidr�geno como una potencial fuente de energ�a. Hasta ahora, la producci�n de hidr�geno se� (more)
Ocsachoque, Marco Antonio
La activacin de NF-kB, indicador de recada en el cncer de mama
La activación de NF-kB, indicador de recaída en el cáncer de mama La ausencia de la proteína 14 proteico relacio- nado con la progresión tumoral, NF-kB, según apunta un estudio en PLoS ONE realiza- do activación de NF-kB en los tumores como el mejor indi- cador de recaída en las pa- cientes de cáncer de mama
Foissac, Sylvain
As sinteses de Edison Machado : um estudo sobre o desenvolvimento de padr�es de samba na bateria.
??O presente trabalho investiga o desenvolvimento de padr�es de execu��o da bateria e suas transforma��es desde a inser��o do instrumento no cen�rio do samba urbano� (more)
Leandro Barsalini
Distribui��o de corrente entre semicondutores em retificadores de alta corrente - estudo de casos reais.
??Nos processos industriais envolvendo eletr�lise, como na produ��o de alum�nio, cobre, zinco, n�quel, mangan�s, carbeto de sil�cio, cloro e seus derivados, as correntes envolvidas em� (more)
Edison Pires de Moraes
An�lisis de integraci�n de generaci�n distribuida en redes de baja tensi�n .
??La generaci�n distribuida (GD) es un hecho en nuestros d�as. Los avances tecnol�gicos han posibilitado la introducci�n de unidades de GD que aprovechan los energ�ticos� (more)
Goyeneche Rojas, Patricio Andr�s
??O fosfogesso, subproduto da fabrica��o do �cido fosf�rico, por ser um res�duo que necessita da disponibilidade de grandes �reas para ser estocado, tornou-se objeto de� (more)
Sistema de eleva��o autom�tico de um ve�culo tipo cadeira de rodas.
??O cadeirante enfrenta diversos obst�culos ao longo do seu trajeto e diversas restri��es de mobilidade. Assim, uma cadeira de rodas que permita ao usu�rio acessar� (more)
Sergio Yoshinobu Araki
High modulus carbon fiber/titanium laminates.
??Titanium has been used to meet ever-stricter standards for high-temperature performance, creep resistance, low weight and high strength. Having low density, a high melting point,� (more)
High Performance Computing Meets Experimental Mathematics
High Performance Computing Meets Experimental Mathematics David H. Bailey Lawrence Berkeley large, high-performance computer systems. What's more, in these new appli- cations the computer computation, implemented on high performance computer (HPC) systems. We present these results, in part
Bailey, David H.
Army High Performance Computing Research Center
Army High Performance Computing Research Center Applying advanced computational science research challenges http://me.stanford.edu/research/centers/ahpcrc #12;Army High Performance Computing challenges http://me.stanford.edu/research/centers/ahpcrc #12;Army High Performance Computing Research
Prinz, Friedrich B.
Proposal for a High Energy Nuclear Database
Proposal for a High Energy Nuclear Database David A. Brown 1it requires the high-energy nuclear physics com- munity�s ?compilations of high-energy nuclear data for applications
Brown, David A.; Vogt, Ramona
Office of High Energy and Nuclear Physics, High EnergyOffice of High Energy and Nuclear Physics, High Energy
Scanlan, R.
A project was led by Oak Ridge National Laboratory (ORNL) in collaboration with a research team comprised of the academic institution Missouri University of Science and Technology (MS&T), and the industrial company MINTEQ International, Inc. (MINTEQ), along with representatives from the aluminum, chemical, glass, and forest products industries. The project was to address the need for new innovative refractory compositions by developing a family of novel MgO-Al 2O3, MgAl2O4, or other similar spinel structured or alumina-based unshaped refractory compositions (castables, gunnables, shotcretes, etc.) utilizing new aggregate materials, bond systems, protective coatings, and phase formation techniques (in-situ phase formation, altered conversion temperatures, accelerated reactions, etc). This family of refractory compositions would then be tailored for use in high-temperature, high-alkaline industrial environments like those found in the aluminum, chemical, forest products, glass, and steel industries. Both practical refractory development experience and computer modeling techniques were used to aid in the design of this new family of materials. The newly developed materials were expected to offer alternative material choices for high-temperature, high-alkali environments that were capable of operating at higher temperatures (goal of increasing operating temperature by 100-200oC depending on process) or for longer periods of time (goal of twice the life span of current materials or next process determined service increment). This would lead to less process down time, greater energy efficiency for associated manufacturing processes (more heat kept in process), and materials that could be installed/repaired in a more efficient manner. The overall project goal was a 5% improvement in energy efficiency (brought about through a 20% improvement in thermal efficiency) resulting in a savings of 3.7 TBtu/yr (7.2 billion ft3 natural gas) by the year 2030. Additionally, new application techniques and systems were developed as part of this project to optimize the installation of this new family of refractory materials to maximize the properties of installed linings and to facilitate nuances such as hot installation and repair. Under this project, seven new shotcrete materials were developed for both primary and repair applications in aluminum, black liquor, coal gasification, and lime kiln environments. Developed materials were based on alumino-silicate, magnesia, and spinel forming systems. One of the developed materials was an insulating shotcrete to be used behind the high conductivity spinel linings developed under this project. Fundamental research work was carried out at MS&T throughout the life of the project to provide support for the development and production of the experimental refractory materials being developed. Work was also ongoing at ORNL and MS&T through the duration of the project on the measurement and characterization of key refractory properties as identified during year one of the project. Both materials currently being used in the industrial processes as identified and supplied by the industrial partners of this project and new materials being provided and developed by MINTEQ were evaluated as necessary. Additionally, energy savings estimates based on measured properties of the experimentally developed refractory systems from this project were made at MINTEQ to validate the energy savings estimates originally proposed for the project. As another part of the project, on-line inspection and hot repair techniques were considered. It was determined that although repair materials were successfully developed under this project for aluminum, black liquor, and coal gasification systems which enable hot repair, there was only minor interest from industry in implementing these materials. On-line inspection techniques were also identified under this project which are currently used in the steel industry, but implementation of these techniques in applications such as black liquor and coal gasification where higher temperature
Hemrick, James Gordon [ORNL; Smith, Jeffrey D [ORNL; O'Hara, Kelley [University of Missouri, Rolla; Rodrigues-Schroer, Angela [Minteq International, Inc.; Colavito, [Minteq International, Inc.
Advanced High-Temperature, High-Pressure Transport Reactor Gasification
The U.S. Department of Energy (DOE) National Energy Technology Laboratory Office of Coal and Environmental Systems has as its mission to develop advanced gasification-based technologies for affordable, efficient, zero-emission power generation. These advanced power systems, which are expected to produce near-zero pollutants, are an integral part of DOE's Vision 21 Program. DOE has also been developing advanced gasification systems that lower the capital and operating costs of producing syngas for chemical production. A transport reactor has shown potential to be a low-cost syngas producer compared to other gasification systems since its high-throughput-per-unit cross-sectional area reduces capital costs. This work directly supports the Power Systems Development Facility utilizing the KBR transport reactor located at the Southern Company Services Wilsonville, Alabama, site. Over 2800 hours of operation on 11 different coals ranging from bituminous to lignite along with a petroleum coke has been completed to date in the pilot-scale transport reactor development unit (TRDU) at the Energy & Environmental Research Center (EERC). The EERC has established an extensive database on the operation of these various fuels in both air-blown and oxygen-blown modes utilizing a pilot-scale transport reactor gasifier. This database has been useful in determining the effectiveness of design changes on an advanced transport reactor gasifier and for determining the performance of various feedstocks in a transport reactor. The effects of different fuel types on both gasifier performance and the operation of the hot-gas filter system have been determined. It has been demonstrated that corrected fuel gas heating values ranging from 90 to 130 Btu/scf have been achieved in air-blown mode, while heating values up to 230 Btu/scf on a dry basis have been achieved in oxygen-blown mode. Carbon conversions up to 95% have also been obtained and are highly dependent on the oxygen-coal ratio. Higher-reactivity (low-rank) coals appear to perform better in a transport reactor than the less reactive bituminous coals. Factors that affect TRDU product gas quality appear to be coal type, temperature, and air/coal ratios. Testing with a higher-ash, high-moisture, low-rank coal from the Red Hills Mine of the Mississippi Lignite Mining Company has recently been completed. Testing with the lignite coal generated a fuel gas with acceptable heating value and a high carbon conversion, although some drying of the high-moisture lignite was required before coal-feeding problems were resolved. No ash deposition or bed material agglomeration issues were encountered with this fuel. In order to better understand the coal devolatilization and cracking chemistry occurring in the riser of the transport reactor, gas and solid sampling directly from the riser and the filter outlet has been accomplished. This was done using a baseline Powder River Basin subbituminous coal from the Peabody Energy North Antelope Rochelle Mine near Gillette, Wyoming.
Michael Swanson; Daniel Laudal
JULIO-AGOSTO 2012 Gaceta Facultad de
, siempre y cuando hayan concluido los créditos del plan de estudios, mientras que personal de PEMEX de Proyectos de Capital en PEMEX asignaturas del diplomado como materias de temas selectos. Asimismo Proyectos de Capital en PEMEX, a fin de incrementar, homologar y actualizar las capacidades técnicas del
High Capacity Hydrogen Storage Nanocomposite - Energy ...
Energy Storage Advanced Materials High Capacity Hydrogen Storage Nanocomposite Processes to add metal hydrideds to nanocarbon structures to yield high capacity ...
Collaboration to advance high-performance computing
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Adler, Joan
Predicting Low Flux High - Programmaster.org
High flux can access high fluence, but such TTS data is under-predicted by current ... on Defect Migration and Void Formation using the Phase Field Method.
Building Technologies Office: High Performance Windows Volume...
Building Technologies Office: High Performance Windows Volume Purchase to someone by E-mail Share Building Technologies Office: High Performance Windows Volume Purchase on Facebook...
High Performance Windows Volume Purchase: For Builders
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High Performance Windows Volume Purchase: For Manufacturers
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HFIR | High Flux Isotope Reactor | ORNL
HFIR Working with HFIR Neutron imaging offers new tools for exploring artifacts and ancient technology Home | User Facilities | HFIR HFIR | High Flux Isotope Reactor SHARE The High...
Experiment Hazard Class 3 - High Temperatures
* RF and Microwave * UV Light Hydrogen * Hydrogen Electronics * Electrical Equipment * High Voltage Other * Other Class 3 - High Temperatures Applicability The hazard controls...
Bringing Energy Efficiency to High Performance Computing
Bringing Energy Efficiency to High Performance Computing Oak Ridge National Laboratory's Jaguar Supercomputer William Tschudi September 2013 The ability of high performance...
High-Temperature Superconductivity Cable Demonstration Projects...
High-Temperature Superconductivity Cable Demonstration Projects High-Temperature Superconductivity Cable Demonstration Projects A National Effort to Introduce New Technology into...
The conventional approach to developing energetic molecules is to chemically place one or more nitro groups onto a carbon skeleton, which is why the term ''nitration'' is synonymous to explosives preparation. The nitro group carries the oxygen that reacts with the skeletal carbon and hydrogen fuels, which in turn produces the heat and gaseous reaction products necessary for driving an explosive shock. These nitro-containing energetic molecules typically have heats of formation near zero and therefore most of the released energy is derived from the combustion process. Our investigation of the tetrazine, furazan and tetrazole ring systems has offered a different approach to explosives development, where a significant amount of the chemical potential energy is derived from their large positive heats of formation. Because these compounds often contain a large percentage of nitrogen atoms, they are usually regarded as high-nitrogen fuels or explosives. A general artifact of these high-nitrogen compounds is that they are less sensitive to initiation (e.g. by impact) when compared to traditional nitro-containing explosives of similar performances. Using the precursor, 3,6-bis-(3,5-dimethylpyrazol-1-yl)-s-tetrazine, several useful energetic compounds based on the s-tetrazine system have been synthesized and studied. Some of the first compounds are 3,6-diamino-s-tetrazine-1,4-dioxide (LAX-112) and 3,6-dihydrazino-s-tetrazine (DHT). LAX-112 was once extensively studied as an insensitive explosive by Los Alamos; DHT is an example of a high-nitrogen explosive that relies entirely on its heat of formation for sustaining a detonation. Recent synthesis efforts have yielded an azo-s-tetrazine, 3,3'-azobis(6-amino-s-tetrazine) or DAAT, which has a very high positive heat of formation. The compounds, 4,4'-diamino-3,3'-azoxyfurazan (DAAF) and 4,4'-diamino-3,3'-azofurazan (DAAzF), may have important future roles in insensitive explosive applications. Neither DAAF nor DAAzF can be initiated by laboratory impact drop tests, yet both have in some aspects better explosive performances than 1,3,5-triamino-2,4,6-trinitrobenzene TATB--the standard of insensitive high explosives. The thermal stability of DAAzF is equal to that of hexanitrostilbene (HNS), yet it too is a better explosive performer. The recently discovered tetrazol derivative, 3,6-bis-(1H-1,2,3,4-tetrazol-5-ylamino)-s-tetrazine (BTATz) was measured to have exceptional positive heats of formation and to be insensitive to explosive initiation. Because of its high burn rate with low sensitivity to pressure, this material is of great interest to the propellant community.
Evaluaci�n de los exopolisac�ridos producidos por una cepa nativa de cianobacteria Nostoc sp. Como sustrato en la producci�n de bioetanol.
??Herrera P�rez, Ruth Marisol (2012) Evaluaci�n de los exopolisac�ridos producidos por una cepa nativa de cianobacteria Nostoc sp. Como sustrato en la producci�n de bioetanol.� (more)
Herrera P�rez, Ruth Marisol
??Diante do atual cen�rio mundial de energia, o biodiesel apresenta um grande potencial como op��o ao consumo de combust�veis de fontes finitas. A maior utiliza��o� (more)
Jos� Antonio Sala
??Na �ltima d�cada houve um aumento significativo no interesse em tecnologias aplic�veis a microgera��o de energia el�trica. Fontes de gera��o de energia hidr�ulicas, e�licas e� (more)
Lucas Giuliani Scherer
Estudio de cuatro cepas nativas de microalgas para evaluar su potencial uso en la producci�n de biodiesel.
??Serrano Berm�dez,, Luis Miguel (2012) Estudio de cuatro cepas nativas de microalgas para evaluar su potencial uso en la producci�n de biodiesel. Maestr�a thesis, Universidad� (more)
Serrano Berm�dez,, Luis Miguel
Aproximaci�n al vacio misterioso de la escultura. Una visi�n de la escultura contempor�nea de Oriente y Occidente.
??La tesis titulada: Aproximaci�n al vac�o misterioso de la escultura. Una visi�n de la escultura contempor�nea de Oriente y Occidente, aborda el tema del vac�o� (more)
Etude de la r�cup�ration de bruts lourds en r�servoir carbonat� fractur� par le proc�d� de combustion in situ.
??Cette th�se pr�sente l'�tude du proc�d� de combustion in situ (CIS) dans un r�servoir carbonat� fractur�. Afin de mod�liser et de simuler les processus �� (more)
Fadaei, Hossein
Capitulo 9 La de los Bernoulli de Basilea es, quizas, la familia mas famosa de las Matematicas.
: los ´atomos de carbono tienen valencia 4, mientras que los de hidr´ogeno, valencia 1. Se trata de un
Quirós, Fernando
Fundamentos de la participaci�n de Red Calle en la pol�tica p�blica para Personas en Situaci�n de Calle .
??Se realiz� un estudio de caso en el marco de las actuales relaciones entre Estado y sociedad civil, a trav�s del an�lisis de la participaci�n� (more)
M�rquez Neira, Edison
Geoqu�mica elemental e isot�pica (Sr e Nd) como tra�adores de poluentes antr�picos, caso de estudo: fosfogesso de Cubat�o (SP).
??O objetivo deste estudo foi aplicar t�cnicas de geoqu�mica de elementos maiores, menores e is�topos de Sr e Nd para identificar contamina��o por fosfogesso em� (more)
Bruno de Oliveira Calado
High-energy neutrinos, arising from decays of mesons that were produced through the cosmic rays collisions with air nuclei, form unavoidable background noise in the astrophysical neutrino detection problem. The atmospheric neutrino flux above 1 PeV should be supposedly dominated by the contribution of charmed particle decays. These (prompt) neutrinos originated from decays of massive and shortlived particles, $D^\\pm$, $D^0$, $\\bar{D}{}^0$, $D_s^\\pm$, $\\Lambda^+_c$, form the most uncertain fraction of the high-energy atmospheric neutrino flux because of poor explored processes of the charm production. Besides, an ambiguity in high-energy behavior of pion and especially kaon production cross sections for nucleon-nucleus collisions may affect essentially the calculated neutrino flux. There is the energy region where above flux uncertainties superimpose. A new calculation presented here reveals sizable differences, up to the factor of 1.8 above 1 TeV, in muon neutrino flux predictions obtained with usage of known hadronic models, SIBYLL 2.1 and QGSJET-II. The atmospheric neutrino flux in the energy range $10-10^7$ GeV was computed within the 1D approach to solve nuclear cascade equations in the atmosphere, which takes into account non-scaling behavior of the inclusive cross-sections for the particle production, the rise of total inelastic hadron-nucleus cross-sections and nonpower-law character of the primary cosmic ray spectrum. This approach was recently tested in the atmospheric muon flux calculations [1]. The results of the neutrino flux calculations are compared with the Frejus, AMANDA-II and IceCube measurement data.
S. I. Sinegovsky; A. A. Kochanov; T. S. Sinegovskaya
Harmonic generation at high intensities
Atomic electrons subject to intense laser fields can absorb many photons, leading either to multiphoton ionization or the emission of a single, energetic photon which can be a high multiple of the laser frequency. The latter process, high-order harmonic generation, has been observed experimentally using a range of laser wavelengths and intensities over the past several years. Harmonic generation spectra have a generic form: a steep decline for the low order harmonics, followed by a plateau extending to high harmonic order, and finally an abrupt cutoff beyond which no harmonics are discernible. During the plateau the harmonic production is a very weak function of the process order. Harmonic generation is a promising source of coherent, tunable radiation in the XUV to soft X-ray range which could have a variety of scientific and possibly technological applications. Its conversion from an interesting multiphoton phenomenon to a useful laboratory radiation source requires a complete understanding of both its microscopic and macroscopic aspects. We present some recent results on the response of single atoms at intensities relevant to the short pulse experiments. The calculations employ time-dependent methods, which we briefly review in the next section. Following that we discuss the behavior of the harmonics as a function of laser intensity. Two features are notable: the slow scaling of the harmonic intensities with laser intensity, and the rapid variation in the phase of the individual harmonics with respect to harmonic order. We then give a simple empirical formula that predicts the extent of the plateau for a given ionization potential, wavelength and intensity.
Schafer, K.J.; Krause, J.L.; Kulander, K.C.
High-emission cold cathode
A field-emission cathode having a multitude of field emission points for emitting a copious stream of electrons when subjected to a high field is described. The cathode is constructed by compressing a multitude of tungsten strips alternately arranged with molybdenum strips and copper ribbons or compressing alternately arranged copper plated tungsten and molybdenum strips, heating the arrangement to braze the tungsten and molybdenum strips together with the copper, machining and grinding the exposed strip edges of one side of the brazed arrangement to obtain a precisely planar surface, etching a portion of the molybdenum and copper to leave the edges of the tungsten strips protruding for electron emission, and subjecting the protruding edges of the tungsten strips to a high electric field to degas and roughen the surface to pnovide a large number of emitting points. The resulting structure is particularly useful as a cathode in a transversely excited gaseous laser where the cathode is mounted in a vacuum chamber for emitting electrons under the influence of a high electric field between the cathode and an extractor grid. The electrons pass through the extractor grid, a thin window in the wall of the laser chamber and into the laser chamber which is filled with a gaseous mixture of helium, nitrogen, and carbon dioxide. A second grid is mounted on the gaseous side of the window. The electrons pass into the laser chamber under the influence of a second electric field between the second grid and an anode in the laser chamber to raise selected gas atoms of the gaseous mixture to appropriately excited states so that a subsequent coherent light beam passing through the mixture transversely to the electron stream through windows in opposite ends of the laser chamber stimulates the excited atoms to amplify the beam. (Official Gazette)
Mancebo, L.
mol´ecula, la adenina de una cadena s´olo puede unirse, por medio de dos enlaces de hidr´ogeno (las, la guanina s´olo puede unirse a una citosina, pero lo hace por medio de tres enlaces de hidr´ogeno en primer tipo de par es m´as inestable, al tener s´olo dos puen- tes de hidr´ogeno, por lo que es m´as f
High flux solar energy transformation
Disclosed are multi-stage systems for high flux transformation of solar energy allowing for uniform solar intensification by a factor of 60,000 suns or more. Preferred systems employ a focusing mirror as a primary concentrative device and a non-imaging concentrator as a secondary concentrative device with concentrative capacities of primary and secondary stages selected to provide for net solar flux intensification of greater than 2000 over 95 percent of the concentration area. Systems of the invention are readily applied as energy sources for laser pumping and in other photothermal energy utilization processes. 7 figures.
Winston, R.; Gleckman, P.L.; O' Gallagher, J.J.
Electokinetic high pressure hydraulic system
A compact high pressure hydraulic system having no moving parts for converting electric potential to hydraulic force and for manipulating fluids. Electro-osmotic flow is used to provide a valve and means to compress a fluid or gas in a capillary-based system. By electro-osmotically moving an electrolyte between a first position opening communication between a fluid inlet and outlet and a second position closing communication between the fluid inlet and outlet the system can be configured as a valve. The system can also be used to generate forces as large as 2500 psi that can be used to compress a fluid, either a liquid or a gas.
Disclosed are multi-stage systems for high flux transformation of solar energy allowing for uniform solar intensification by a factor of 60,000 suns or more. Preferred systems employ a focusing mirror as a primary concentrative device and a non-imaging concentrator as a secondary concentrative device with concentrative capacities of primary and secondary stages selected to provide for net solar flux intensification of greater than 2000 over 95 percent of the concentration area. Systems of the invention are readily applied as energy sources for laser pumping and in other photothermal energy utilization processes.
Winston, Roland (Chicago, IL); Gleckman, Philip L. (Chicago, IL); O' Gallagher, Joseph J. (Flossmoor, IL)
Evaluating High Efficiency Motor Retrofit
In the petrochemical and refining Industries, and most manufacturing plants, the reliable operation of AC motors always has been crucial to the continuous operation of the process. Now, the cost of operating these motors has also become a significant factor. Engineers Involved In motor specification can help lower plant operating costs and reduce electrical energy consumption dramatically by a relatively simple technique: retrofit of existing, standard-efficiency motors with new, high efficiency models. This article demonstrates strong reasons for motor retrofit, and explains step-by step how process and manufacturing engineering personnel can fully evaluate a retrofit decision.
Evans, T. A.
High voltage RF feedthrough bushing
Described is a multi-element, high voltage radio frequency bushing for trmitting RF energy to an antenna located in a vacuum container. The bushing includes a center conductor of complex geometrical shape, an outer coaxial shield conductor, and a thin-walled hollow truncated cone insulator disposed between central and outer conductors. The shape of the center conductor, which includes a reverse curvature portion formed of a radially inwardly directed shoulder and a convex portion, controls the uniformity of the axial surface gradient on the insulator cone. The outer shield has a first substantially cylindrical portion and a second radially inwardly extending truncated cone portion.
Grotz, Glenn F. (Huntington Station, NY)
High-efficiency photoionization detector
A high efficiency photoionization detector using tetraaminoethylenes in a gaseous state having a low ionization potential and a relative photoionization cross section which closely matches the emission spectrum of xenon gas. Imaging proportional counters are also disclosed using the novel photoionization detector of the invention. The compound of greatest interest is TMAE which comprises tetrakis(dimethylamino)ethylene which has a measured ionization potential of 5.36 +- 0.02 eV, and a vapor pressure of 0.35 torr at 20/sup 0/C.
High throughput protein production screening
Methods, compositions, and kits for the cell-free production and analysis of proteins are provided. The invention allows for the production of proteins from prokaryotic sequences or eukaryotic sequences, including human cDNAs using PCR and IVT methods and detecting the proteins through fluorescence or immunoblot techniques. This invention can be used to identify optimized PCR and WT conditions, codon usages and mutations. The methods are readily automated and can be used for high throughput analysis of protein expression levels, interactions, and functional states.
Beernink, Peter T. (Walnut Creek, CA); Coleman, Matthew A. (Oakland, CA); Segelke, Brent W. (San Ramon, CA)
The high-energy electrical discharge device described comprises an envelope, a pair of main discharge electrodes supported in opposition in the envelope, and a metallic shell symmetrically disposed around and spaced from the discharge path between the electrodes. The metallic shell comprises a first element of spaced helical turns of metallic material and a second element of spaced helical turns of methllic material insulatedly supported in superposition outside the first element and with the turns overlapping the gap between the turns of the first element.
Josephson, V.
The confinement of a high temperature plasma in a stellarator in which the magnetic confinement has tended to shift the plasma from the center of the curved, U-shaped end loops is described. Magnetic means are provided for counteracting this tendency of the plasma to be shifted away from the center of the end loops, and in one embodiment this magnetic means is a longitudinally extending magnetic field such as is provided by two sets of parallel conductors bent to follow the U-shaped curvature of the end loops and energized oppositely on the inside and outside of this curvature. (AEC)
Koenig, H.R.
High-energy Cosmic Rays
After a brief review of galactic cosmic rays in the GeV to TeV energy range, we describe some current problems of interest for particles of very high energy. Particularly interesting are two features of the spectrum, the `knee' above $10^{15}$ eV and the `ankle' above $10^{18}$ eV. An important question is whether the highest energy particles are of extra-galactic origin and, if so, at what energy the transition occurs. A theme common to all energy ranges is use of nuclear abundances as a tool for understanding the origin of the cosmic radiation.
Thomas K. Gaisser; Todor Stanev
Design of High Field Solenoids made of High Temperature Superconductors
This thesis starts from the analytical mechanical analysis of a superconducting solenoid, loaded by self generated Lorentz forces. Also, a finite element model is proposed and verified with the analytical results. To study the anisotropic behavior of a coil made by layers of superconductor and insulation, a finite element meso-mechanic model is proposed and designed. The resulting material properties are then used in the main solenoid analysis. In parallel, design work is performed as well: an existing Insert Test Facility (ITF) is adapted and structurally verified to support a coil made of YBa{sub 2}Cu{sub 3}O{sub 7}, a High Temperature Superconductor (HTS). Finally, a technological winding process was proposed and the required tooling is designed.
Bartalesi, Antonio; /Pisa U.
Campinas, 05 a 07 maro de 2012 Livro de Resumos
, inclusive de celulose com polímeros hidrofóbicos. Eletrodos semicondutores para aplicações que envolvem. Modificação química de nanocristais de celulose e aplicações na formação de compósitos poliméricos branqueamento (chlorine free). Em seguida foram obtidos nanowhiskers de celulose utilizando hidrólise ácida com
Campinas, Universidade Estadual de
High speed imager test station
A test station enables the performance of a solid state imager (herein called a focal plane array or FPA) to be determined at high image frame rates. A programmable waveform generator is adapted to generate clock pulses at determinable rates for clock light-induced charges from a FPA. The FPA is mounted on an imager header board for placing the imager in operable proximity to level shifters for receiving the clock pulses and outputting pulses effective to clock charge from the pixels forming the FPA. Each of the clock level shifters is driven by leading and trailing edge portions of the clock pulses to reduce power dissipation in the FPA. Analog circuits receive output charge pulses clocked from the FPA pixels. The analog circuits condition the charge pulses to cancel noise in the pulses and to determine and hold a peak value of the charge for digitizing. A high speed digitizer receives the peak signal value and outputs a digital representation of each one of the charge pulses. A video system then displays an image associated with the digital representation of the output charge pulses clocked from the FPA. In one embodiment, the FPA image is formatted to a standard video format for display on conventional video equipment. 12 figs.
Yates, G.J.; Albright, K.L.; Turko, B.T.
A test station enables the performance of a solid state imager (herein called a focal plane array or FPA) to be determined at high image frame rates. A programmable waveform generator is adapted to generate clock pulses at determinable rates for clock light-induced charges from a FPA. The FPA is mounted on an imager header board for placing the imager in operable proximity to level shifters for receiving the clock pulses and outputting pulses effective to clock charge from the pixels forming the FPA. Each of the clock level shifters is driven by leading and trailing edge portions of the clock pulses to reduce power dissipation in the FPA. Analog circuits receive output charge pulses clocked from the FPA pixels. The analog circuits condition the charge pulses to cancel noise in the pulses and to determine and hold a peak value of the charge for digitizing. A high speed digitizer receives the peak signal value and outputs a digital representation of each one of the charge pulses. A video system then displays an image associated with the digital representation of the output charge pulses clocked from the FPA. In one embodiment, the FPA image is formatted to a standard video format for display on conventional video equipment.
Yates, George J. (Santa Fe, NM); Albright, Kevin L. (Los Alamos, NM); Turko, Bojan T. (Moraga, CA)
High Field Phenomena of Qubits
Electron and nuclear spins are very promising candidates to serve as quantum bits (qubits) for proposed quantum computers, as the spin degrees of freedom are relatively isolated from their surroundings, and can be coherently manipulated e.g. through pulsed EPR and NMR. For solid state spin systems, impurities in crystals based on carbon and silicon in various forms have been suggested as qubits, and very long relaxation rates have been observed in such systems. We have investigated a variety of these systems at high magnetic fields in our multi-frequency pulsed EPR/ENDOR spectrometer. A high magnetic field leads to large electron spin polarizations at helium temperatures giving rise to various phenomena that are of interest with respect to quantum computing. For example, it allows the initialization of the both the electron spin as well as hyperfine-coupled nuclear spins in a well defined state by combining millimeter and RF radiation; it can increase the T2 relaxation times by eliminating decoherence due to dipolar interaction; and it can lead to new mechanisms for the coherent electrical readout of electron spins. We will show some examples of these and other effects in Si:P, SiC:N, and nitrogen-related centers in diamond.
J. van Tol; G. W. Morley; S. Takahashi; D. R. McCamey; C. Boehme; M. E. Zvanut
High pressure ceramic heat exchanger
Many recuperators have components which react to corrosive gases and are used in applications where the donor fluid includes highly corrosive gases. These recuperators have suffered reduced life, increased service or maintenance, and resulted in increased cost. The present header assembly when used with recuperators reduces the brittle effect of a portion of the ceramic components. Thus, the present header assembly used with the present recuperator increases the life, reduces the service and maintenance, and reduces the increased cost associated with corrosive action of components used to manufacture recuperators. The present header assembly is comprised of a first ceramic member, a second ceramic member, a strengthening reinforcing member being in spaced relationship to the first ceramic member and the second ceramic member. The header assembly is further comprised of a refractory material disposed in contacting relationship with the first ceramic member, the second ceramic member and the strengthening reinforcing member. The present header assembly provides a high strength load bearing header assembly having good thermal cycling characteristics, good resistance to a corrosive environment and good steady state strength at elevated temperatures. 5 figs.
Harkins, B.D.; Ward, M.E.
High temperature nuclear gas turbine
Significance of gas turbine cycle, process of the development of gas turbines, cycle and efficiency of high-temperature gas turbines, history of gas turbine plants and application of nuclear gas turbines are described. The gas turbines are directly operated by the heat from nuclear plants. The gas turbines are classified into two types, namely open cycle and closed cycle types from the point of thermal cycle, and into two types of internal combustion and external combustion from the point of heating method. The hightemperature gas turbines are tbe type of internal combustion closed cycle. Principle of the gas turbines of closed cycle and open cycle types is based on Brayton, Sirling, and Ericsson cycles. Etficiency of the turbines is decided only by pressure ratio, and is independent of gas temperature. An example of the turbine cycle for the nuclear plant Gestacht II is explained. The thermal efficiency of that plant attains 37%. Over the gas temperature of about 750 deg C, the thermal efficiency of the gas turbine cycle is better than that of steam turbine cycle. As the nuclear fuel, coated particle fuel is used, and this can attain higher temperature of core outlet gas. Direct coupling of the nuclear power plants and the high temperature gas turbines has possibility of the higher thermal efficiency. (JA)
Kurosawa, A.
High severity catalytic reforming process
A high-severity catalytic reforming process is described comprising: (a) passing a mixture comprising a catalytic reforming feed stream and a recycle stream into a catalytic reforming reaction zone which is maintained at high-severity reforming conditions; (b) cooling an effluent stream comprising hydrogen and hydrocarbonaceous catalytic reforming reaction products which is withdrawn from the reaction zone; (c) passing the cooled effluent stream into a vapor-liquid separation zone and recovering therefrom a liquid stream comprising hydrocarbons and a hydrogen-rich gas stream; (d) passing the hydrogen-rich gas stream through an adsorption zone wherein the gas is contacted with a treating material which removes polycyclic aromatic compounds from the gas stream, the compounds remaining in the adsorption zone; (e) mixing a portion of the hydrogen-rich gas stream, which is the recycle stream, with the feed stream to form the charge stock mixture and withdrawing the balance of the hydrogen-rich gas stream, which is denoted as net hydrogen, from the catalytic reforming area, all of the hydrogen-rich gas stream being substantially free of polycyclic aromatic compounds; and (f) fractionating the liquid stream and recovering an overhead product comprising light hydrocarbons and a bottoms product comprising reformate.
Bennett, R.W.; Cottrell, P.R.; Gilsdorf, N.L.; Winfield, M.D.
High pressure xenon ionization detector
A method is provided for detecting ionization comprising allowing particles that cause ionization to contact high pressure xenon maintained at or near its critical point and measuring the amount of ionization. An apparatus is provided for detecting ionization, the apparatus comprising a vessel containing a ionizable medium, the vessel having an inlet to allow high pressure ionizable medium to enter the vessel, a means to permit particles that cause ionization of the medium to enter the vessel, an anode, a cathode, a grid and a plurality of annular field shaping rings, the field shaping rings being electrically isolated from one another, the anode, cathode, grid and field shaping rings being electrically isolated from one another in order to form an electric field between the cathode and the anode, the electric field originating at the anode and terminating at the cathode, the grid being disposed between the cathode and the anode, the field shaping rings being disposed between the cathode and the grid, the improvement comprising the medium being xenon and the vessel being maintained at a pressure of 50 to 70 atmospheres and a temperature of 0.degree. to 30.degree. C.
Markey, John K. (New Haven, CT)
A method is provided for detecting ionization comprising allowing particles that cause ionization to contact high pressure xenon maintained at or near its critical point and measuring the amount of ionization. An apparatus is provided for detecting ionization, the apparatus comprising a vessel containing a ionizable medium, the vessel having an inlet to allow high pressure ionizable medium to enter the vessel, a means to permit particles that cause ionization of the medium to enter the vessel, an anode, a cathode, a grid and a plurality of annular field shaping rings, the field shaping rings being electrically isolated from one another, the anode, cathode, grid and field shaping rings being electrically isolated from one another in order to form an electric field between the cathode and the anode, the electric field originating at the anode and terminating at the cathode, the grid being disposed between the cathode and the anode, the field shaping rings being disposed between the cathode and the grid, the improvement comprising the medium being xenon and the vessel being maintained at a pressure of 50 to 70 atmospheres and a temperature of 0 to 30 C. 2 figs.
Markey, J.K.
High-Intensity Proton Accelerator
Analysis is presented for an eight-cavity proton cyclotron accelerator that could have advantages as compared with other accelerators because of its potentially high acceleration gradient. The high gradient is possible since protons orbit in a sequence of TE111 rotating mode cavities of equally diminishing frequencies with path lengths during acceleration that greatly exceed the cavity lengths. As the cavities operate at sequential harmonics of a basic repetition frequency, phase synchronism can be maintained over a relatively wide injection phase window without undue beam emittance growth. It is shown that use of radial vanes can allow cavity designs with significantly smaller radii, as compared with simple cylindrical cavities. Preliminary beam transport studies show that acceptable extraction and focusing of a proton beam after cyclic motion in this accelerator should be possible. Progress is also reported on design and tests of a four-cavity electron counterpart accelerator for experiments to study effects on beam quality arising from variations injection phase window width. This device is powered by four 500-MW pulsed amplifiers at 1500, 1800, 2100, and 2400 MHz that provide phase synchronous outputs, since they are driven from a with harmonics derived from a phase-locked 300 MHz source.
Jay L. Hirshfield
Many recuperators have components which react to corrosive gases and are used in applications where the donor fluid includes highly corrosive gases. These recuperators have suffered reduced life, increased service or maintenance, and resulted in increased cost. The present header assembly when used with recuperators reduces the brittle effect of a portion of the ceramic components. Thus, the present header assembly used with the present recuperator increases the life, reduces the service and maintenance, and reduces the increased cost associated with corrosive action of components used to manufacture recuperators. The present header assembly is comprised of a first ceramic member, a second ceramic member, a strengthening reinforcing member being in spaced relationship to the first ceramic member and the second ceramic member. The header assembly is further comprised of a refractory material disposed in contacting relationship with the first ceramic member, the second ceramic member and the strengthening reinforcing member. The present header assembly provides a high strength load bearing header assembly having good thermal cycling characteristics, good resistance to a corrosive environment and good steady state strength at elevated temperatures.
Harkins, Bruce D. (San Diego, CA); Ward, Michael E. (Poway, CA)
Many recuperators have components which react to corrosive gases and are used in applications where the donor fluid includes highly corrosive gases. These recuperators have suffered reduced life, increased service or maintenance, and resulted in increased cost. The present header assembly when used with recuperators reduces the brittle effect of a portion of the ceramic components. Thus, the present header assembly used with the present recuperator increases the life, reduces the service and maintenance, and reduces the increased cost associated with corrosive action of components used to manufacture recuperators. The present header assembly is comprised of a first ceramic member, a second ceramic member, a reinforcing member being in spaced relationship to the first ceramic member and the second ceramic member. The header assembly is further comprised of a refractory material disposed in contacting relationship with the first ceramic member, the second ceramic member and the reinforcing member and having a strengthening member wrapped around the refractory material. The present header assembly provides a high strength load bearing header assembly having good thermal cycling characteristics, good resistance to a corrosive environment and good steady state strength at elevated temperatures.
An�lise termodin�mica e de transfer�ncia de calor para dimensionamento de um sistema de refrigera��o por absor��o para aplica��es em baixas temperaturas usando g�s natural.
??O ciclo de refrigera��o por absor��o aqui estudado usa como fluido de trabalho uma mistura de �gua e am�nia e � alimentado com a energia� (more)
Josinaldo Calixto da Silva
Captulo 14 Gas ideal de bosones.
se utiliza en el proceso de obtenci´on del hidr´ogeno, para separarlo de la mezcla de gases que se
Colet, Pere
ENSC -n ordre THSE DE DOCTORAT
la vie de l'accumulateur . . . . . . . . . . . . . . . . . 44 18.104.22.168.1.2 Prise en compte de l dynamique de la charge . . . . . . . . . . . . . . . . . . . 104 4.4 Conclusion
M�s all� de las Emisiones del Escape
Ms all de las Emisiones del Escape Emisiones de Gases de Efecto Invernadero para los Vehculos Elctricos e Hbridos Elctricos Enchufables Manejar su vehculo puede dar...
Rearranjo estrutural de PET durante compress�o plana.
??As caracter�sticas da tens�o � deforma��o do Poli(tereftalato de etileno) (PET) durante o processo de deforma��o por compress�o plana tem sido estudadas. Amostras de PET� (more)
Elton Luis Gasparotto Denardin
Sur l'initiative de Ml - Springer
in andere tijden vertoont, bijv. in de onze, ,,als een volk door een grote weifeling wordt bevangen.., als de uitwendige terreur en de inwendige, onderbewuste�...
Etude de l�influence de la composition chimique de la charge de cok�faction sur le rendement et la qualit� du coke.
??116 p. : ill. ; 30 cm Dans le pr�sent travail, on se propose d��tudier l�influence de la qualit� de la charge du proc�d� de� (more)
Hennaoui, Feriel
A high-throughput distributed DNA
from de- lays of up to several seconds while memory is being reclaimed. We take the approach that one programming. In Proceedings of the 1992 IEEE International Confer- ence on Robotics and Automation. 7] Erann
Weller, Jennifer Walsh
Configurations de lagrangiens, domaines fondamentaux et sous-groupes discrets de PU(2,1).
??L'objet de cette th�se est l'�tude de sous-groupes discrets de PU(2,1), groupe des isom�tries holomorphes de l'espace hyperbolique complexe de dimension (complexe) 2. On s'int�resse� (more)
Paupert, Julien
XIV Congreso y Exposici�n sobre Grasas y Aceites de la Secci�n Latinoamericana de AOCS
Res�menes XIV Congreso y Exposici�n sobre Grasas y Aceites de la Secci�n Latinoamericana de AOCS XIV Congreso y Exposici�n sobre Grasas y Aceites de la Secci�n Latinoamericana de AOCS XIV Congreso y Exposici�n sobre Grasas y Aceites de la Secci&
NIST Study Finds a Decade of High-Payoff, High-Throughput ...
NIST Study Finds a Decade of High-Payoff, High-Throughput Research. For Immediate Release: May 20, 2009. ...
High Efficiency Engine Technologies Program
Caterpillar's Product Development and Global Technology Division carried out a research program on waste heat recovery with support from DOE (Department of Energy) and the DOE National Energy Technology Laboratory. The objective of the program was to develop a new air management and exhaust energy recovery system that would demonstrate a minimum 10% improvement in thermal efficiency over a base heavy-duty on-highway diesel truck engine. The base engine for this program was a 2007 C15 15.2L series-turbocharged on-highway truck engine with a LPL (low-pressure loop) exhaust recirculation system. The focus of the program was on the development of high efficiency turbomachinery and a high efficiency turbocompound waste heat recovery system. The focus of each area of development was as follows: (1) For turbine stages, the focus was on investigation and development of technologies that would improve on-engine exhaust energy utilization compared to the conventional radial turbines in widespread use today. (2) For compressor stages, the focus was on investigating compressor wheel design parameters beyond the range typically utilized in production, to determine the potential efficiency benefits thereof. (3) For turbocompound, the focus was on the development of a robust bearing system that would provide higher bearing efficiencies compared to systems used in turbocompound power turbines in production. None of the turbocharger technologies investigated involved addition of moving parts, actuators, or exotic materials, thereby increasing the likelihood of a favorable cost-value tradeoff for each technology. And the turbocompound system requires less hardware addition than competing bottoming cycle technologies, making it a more attractive solution from a cost and packaging standpoint. Main outcomes of the program are as follows: (1) Two turbine technologies that demonstrated up to 6% improvement in turbine efficiency on gas stand and 1-3% improvement in thermal efficiency in on-engine testing. (2) A compressor technology that demonstrated 1.5% improvement in compressor efficiency on gas stand compared to production available compressors. (3) A power turbine with high efficiency bearing system that demonstrated excellent rotordynamic stability throughout the required speed range, up to 60,000 rpm. (4) A predicted improvement (using engine simulation) in engine thermal efficiency of 7% at the peak torque design point, when combining the technologies developed in this program.
Rich Kruiswyk
High Performance Buildings - Alternative/Renewable Energy
... Buildings - Alternative/Renewable Energy. High Performance Buildings - Alternative/Renewable Energy Information at NIST. ...
... Anaheim, California. HIGH TEMPERATURE SUPERCONDUCTORS- SYNTHESIS, PROCESSING, AND LARGE SCALE APPLICATIONS VII: Characterization�...
HIGH TEMPERATURE SUPERCONDUCTORS: III: YBCO Conductor ...
HIGH TEMPERATURE SUPERCONDUCTORS: Session III: YBCO Conductor Development. Sponsored by: Jt: EMPMD/SMD Superconducting Materials�...
Guide for High-Performance Buildings Available
This article is an overview of the new "Sustainable, High-Performance Operations and Maintenance" guidelines.
Bartlett, Rosemarie
High-Speed Optical and Electrical Measurements
High-Speed Optical and Electrical Measurements. The Optoelectronics Division provides three different services related ...
Fsica atomica, molecular y materia condensada Entrega 24 de febrero de 2010 antes de la clase
base del ´atomo de hidr´ogeno, y confirma que se satisface el teorema del virial, 2 = - 1s 1 r 1sd 2. Localiza los nodos de los orbitales de un ´atomo de hidr´ogeno: (a) 2s, y (b) 3s. 3
Noguez, Cecilia
La utilizacin de imgenes de Landsat TM para cuantificar reas de deforestacin en la regin de Mato Grosso, Brazil.
Mato Grosso, Brazil. Yomayra A. Román Colón1 Departamento de Geología, Universidad de Puerto Rico cuantificar la deforestación en la zona más impactada del estado de Mato Grosso en Brazil. El estudio incluye Grosso, Brazil utilizando imágenes de alta resolución del satélite Landsat TM 4-5. Cómo parte de este
Gas Viscosity at High Pressure and High Temperature
Gas viscosity is one of the gas properties that is vital to petroleum engineering. Its role in the oil and gas production and transportation is indicated by its contribution in the resistance to the flow of a fluid both in porous media and pipes. Although viscosity of some pure components such as methane, ethane, propane, butane, nitrogen, carbon dioxide and binary mixtures of these components at low-intermediate pressure and temperature had been studied intensively and been understood thoroughly, very few investigations were performed on viscosity of naturally occurring gases, especially gas condensates at low-intermediate pressure and temperature, even fewer lab data were published. No gas viscosity data at high pressures and high temperatures (HPHT) is available. Therefore this gap in the oil industry still needs to be filled. Gas viscosity at HPHT becomes crucial to modern oil industry as exploration and production move to deep formation or deep water where HPHT is not uncommon. Therefore, any hydrocarbon encountered there is more gas than oil due to the chemical reaction causing oil to transfer to gas as temperature increases. We need gas viscosity to optimize production rate for production system, estimate reserves, model gas injection, design drilling fluid, and monitor gas movement in well control. Current gas viscosity correlations are derived using measured data at low-moderate pressures and temperatures, and then extrapolated to HPHT. No measured gas viscosities at HPHT are available so far. The validities of these correlations for gas viscosity at HPHT are doubted due to lack of experimental data. In this study, four types of viscometers are evaluated and their advantages and disadvantages are listed. The falling body viscometer is used to measure gas viscosity at a pressure range of 3000 to 25000 psi and a temperature range of 100 to 415 oF. Nitrogen viscosity is measured to take into account of the fact that the concentration of nonhydrocarbons increase drastically in HPHT reservoir. More nitrogen is found as we move to HPHT reservoirs. High concentration nitrogen in natural gas affects not only the heat value of natural gas, but also gas viscosity which is critical to petroleum engineering. Nitrogen is also one of common inject gases in gas injection projects, thus an accurate estimation of its viscosity is vital to analyze reservoir performance. Then methane viscosity is measured to honor that hydrocarbon in HPHT which is almost pure methane. From our experiments, we found that while the Lee-Gonzalez-Eakin correlation estimates gas viscosity at a low-moderate pressure and temperature accurately, it cannot give good match of gas viscosity at HPHT. Apparently, current correlations need to be modified to predict gas viscosity at HPHT. New correlations constructed for HPHT conditions based on our experiment data give more confidence on gas viscosity.
Ling, Kegang
The transport reactor development unit (TRDU) was modified to accommodate oxygen-blown operation in support of a Vision 21-type energy plex that could produce power, chemicals, and fuel. These modifications consisted of changing the loop seal design from a J-leg to an L-valve configuration, thereby increasing the mixing zone length and residence time. In addition, the standpipe, dipleg, and L-valve diameters were increased to reduce slugging caused by bubble formation in the lightly fluidized sections of the solid return legs. A seal pot was added to the bottom of the dipleg so that the level of solids in the standpipe could be operated independently of the dipleg return leg. A separate coal feed nozzle was added that could inject the coal upward into the outlet of the mixing zone, thereby precluding any chance of the fresh coal feed back-mixing into the oxidizing zone of the mixing zone; however, difficulties with this coal feed configuration led to a switch back to the original downward configuration. Instrumentation to measure and control the flow of oxygen and steam to the burner and mix zone ports was added to allow the TRDU to be operated under full oxygen-blown conditions. In total, ten test campaigns have been conducted under enriched-air or full oxygen-blown conditions. During these tests, 1515 hours of coal feed with 660 hours of air-blown gasification and 720 hours of enriched-air or oxygen-blown coal gasification were completed under this particular contract. During these tests, approximately 366 hours of operation with Wyodak, 123 hours with Navajo sub-bituminous coal, 143 hours with Illinois No. 6, 106 hours with SUFCo, 110 hours with Prater Creek, 48 hours with Calumet, and 134 hours with a Pittsburgh No. 8 bituminous coal were completed. In addition, 331 hours of operation on low-rank coals such as North Dakota lignite, Australian brown coal, and a 90:10 wt% mixture of lignite and wood waste were completed. Also included in these test campaigns was 50 hours of gasification on a petroleum coke from the Hunt Oil Refinery and an additional 73 hours of operation on a high-ash coal from India. Data from these tests indicate that while acceptable fuel gas heating value was achieved with these fuels, the transport gasifier performs better on the lower-rank feedstocks because of their higher char reactivity. Comparable carbon conversions have been achieved at similar oxygen/coal ratios for both air-blown and oxygen-blown operation for each fuel; however, carbon conversion was lower for the less reactive feedstocks. While separation of fines from the feed coals is not needed with this technology, some testing has suggested that feedstocks with higher levels of fines have resulted in reduced carbon conversion, presumably due to the inability of the finer carbon particles to be captured by the cyclones. These data show that these low-rank feedstocks provided similar fuel gas heating values; however, even among the high-reactivity low-rank coals, the carbon conversion did appear to be lower for the fuels (brown coal in particular) that contained a significant amount of fines. The fuel gas under oxygen-blown operation has been higher in hydrogen and carbon dioxide concentration since the higher steam injection rate promotes the water-gas shift reaction to produce more CO{sub 2} and H{sub 2} at the expense of the CO and water vapor. However, the high water and CO{sub 2} partial pressures have also significantly reduced the reaction of (Abstract truncated)
Michael L. Swanson
High voltage DC power supply
A high voltage DC power supply having a first series resistor at the output for limiting current in the event of a short-circuited output, a second series resistor for sensing the magnitude of output current, and a voltage divider circuit for providing a source of feedback voltage for use in voltage regulation is disclosed. The voltage divider circuit is coupled to the second series resistor so as to compensate the feedback voltage for a voltage drop across the first series resistor. The power supply also includes a pulse-width modulated control circuit, having dual clock signals, which is responsive to both the feedback voltage and a command voltage, and also includes voltage and current measuring circuits responsive to the feedback voltage and the voltage developed across the second series resistor respectively. 7 figs.
Droege, T.F.
The Department of Energy (DOE) needs improved technologies to decontaminate large areas of both concrete and steel surfaces. The technology should have high operational efficiency, minimize exposures to workers, and produce low levels of secondary waste. In order to meet the DOE's needs, an applied research and development project for the improvement of a current decontamination technology, Vacuum Blasting, is proposed. The objective of this project is to improve the productivity and lower the expense of the existing vacuum blasting technology which has been widely used in DOE sites for removing radioactive contamination, PCBs, and lead-based paint. The proposed work would increase the productivity rate and provide safe and cost-effective decontamination of the DOE sites.
William S. McPhee
High current capacity electrical connector
An electrical connector is provided for coupling high current capacity electrical conductors such as copper busses or the like. The connector is arranged in a "sandwiched" configuration in which a conductor plate contacts the busses along major surfaces thereof clamped between two stainless steel backing plates. The conductor plate is provided with a plurality of contact buttons affixed therein in a spaced array such that the caps of the buttons extend above the conductor plate surface to contact the busses. When clamping bolts provided through openings in the sandwiched arrangement are tightened, Belleville springs provided under the rim of each button cap are compressed and resiliently force the caps into contact with the busses' contacting surfaces to maintain a predetermined electrical contact area provided by the button cap tops. The contact area does not change with changing thermal or mechanical stresses applied to the coupled conductors.
Bettis, Edward S. (Oak Ridge, TN); Watts, Harry L. (Lake City, TN)
Oxides having high energy densities
Certain disclosed embodiments generally relate to oxide materials having relatively high energy and/or power densities. Various aspects of the embodiments are directed to oxide materials having a structure B.sub.i(M.sub.jY.sub.k)O.sub.2, for example, a structure Li.sub.j(Ni.sub.jY.sub.k)O.sub.2 such as Li(Ni.sub.0.5Mn.sub.0.5)O.sub.2. In this structure, Y represents one or more atoms, each independently selected from the group consisting of alkaline earth metals, transition metals, Group 14 elements, Group 15, or Group 16 elements. In some embodiments, such an oxide material may have an O3 crystal structure, and/or a layered structure such that the oxide comprises a plurality of first, repeating atomic planes comprising Li, and a plurality of second, repeating atomic planes comprising Ni and/or Y.
Ceder, Gerbrand; Kang, Kisuk
High speed drilling research advances
This article reports that the Amoco Production Company's Tulsa Research Center is developing a High Speed Drilling System (HSDS) to improve drilling economics for both exploration and development wells. The system is targeted for areas where historically the drilling rate is less than 25 ft/hr over a large section of hole. Designed as a five-year development program, work began on the system in late 1984. A major service company is participating in the project. The objective of the HSDS project is to improve drilling efficiency by developing improvements in the basic mechanical drilling system. The HSDS approach to improved drilling economics is via the traditional routes of increasing penetration rate (ROP) and bit life, increasing hole stability and reducing trouble time.
Warren, T.M.; Canson, B.E.
A medium-gain photomultiplier tube having high current output, fast rise- time, and matched output impedance was developed. The photomultiplier tube comprises an elongated cylindrical envelope, a cylindrical anode supported at the axis of the envelope, a plurality of elongated spaced opaque areas on the envelope, and a plurality of light admitting windows. A photo-cathode is supported adjacent to each of the windows, and a plurality of secondary emissive dynodes are arranged in two types of radial arrays which are alternately positioned to fill the annular space between the anode and the envelope. The dynodes are in an array being radially staggered with respect to the dynodes in the adjacent array, the dynodes each having a portion arranged at an angle with respect to the electron path, such that electrons emitted by each cathode undergo multiplication upon impingement on a dynode and redirected flight to the next adjacent dynode.
Glass, N.W.
High impact resistant ceramic composite
A ceramic material and a method of forming a ceramic material which possesses a high impact resistance are disclosed. The material comprises: (a) a first continuous phase of [beta]-SiC; and (b) a second phase of about 25-40 vol % TiB[sub 2]. Al[sub 2]O[sub 3] is preferably used as a densification aid. The material is formed by hot-pressing the mixture at a temperature from greater than about 1800 C to less than the transition temperature of [beta]-SiC to [alpha]-SiC. The hot-pressing is performed at a pressure of about 2000 psi to about 4000 psi in an inert atmosphere for several hours and results in the formation of a two phase sintered ceramic composite material. 6 figures.
Derkacy, J.A.
A ceramic material and a method of forming a ceramic material which possesses a high impact resistance. The material comprises: (a) a first continuous phase of .beta.-SiC; and (b) a second phase of about 25-40 vol % TiB.sub.2. Al.sub.2 O.sub.3 is preferably used as a densification aid. The material is formed by hot-pressing the mixture at a temperature from greater than about 1800.degree. C. to less than the transition temperature of .beta.-SiC to .alpha.-SiC. The hot-pressing is performed at a pressure of about 2000 psi to about 4000 psi in an inert atmosphere for several hours and results in the formation of a two phase sintered ceramic composite material.
Derkacy, James A. (Pittsburgh, PA)
Joint Institute for High Temperatures
National Nuclear Security Administration (NNSA)
Joint Institute for High Temperatures of Russian Academy of Sciences Moscow Institute of Physics and Technology Extended title Extended title Excited state of warm dense matter or Exotic state of warm dense matter or Novel form of warm dense matter or New form of plasma Three sources of generation similarity: solid state density, two temperatures: electron temperature about tens eV, cold ions keep original crystallographic positions, but electron band structure and phonon dispersion are changed, transient but steady (quasi-stationary for a short time) state of non-equilibrium, uniform plasmas (no reference to non-ideality, both strongly and weakly coupled plasmas can be formed) spectral line spectra are emitted by ion cores embedded in plasma environment which influences the spectra strongly,
Enabling High Efficiency Ethanol Engines
Delphi Automotive Systems and ORNL established this CRADA to explore the potential to improve the energy efficiency of spark-ignited engines operating on ethanol-gasoline blends. By taking advantage of the fuel properties of ethanol, such as high compression ratio and high latent heat of vaporization, it is possible to increase efficiency with ethanol blends. Increasing the efficiency with ethanol-containing blends aims to remove a market barrier of reduced fuel economy with E85 fuel blends, which is currently about 30% lower than with petroleum-derived gasoline. The same or higher engine efficiency is achieved with E85, and the reduction in fuel economy is due to the lower energy density of E85. By making ethanol-blends more efficient, the fuel economy gap between gasoline and E85 can be reduced. In the partnership between Delphi and ORNL, each organization brought a unique and complementary set of skills to the project. Delphi has extensive knowledge and experience in powertrain components and subsystems as well as overcoming real-world implementation barriers. ORNL has extensive knowledge and expertise in non-traditional fuels and improving engine system efficiency for the next generation of internal combustion engines. Partnering to combine these knowledge bases was essential towards making progress to reducing the fuel economy gap between gasoline and E85. ORNL and Delphi maintained strong collaboration throughout the project. Meetings were held regularly, usually on a bi-weekly basis, with additional reports, presentations, and meetings as necessary to maintain progress. Delphi provided substantial hardware support to the project by providing components for the single-cylinder engine experiments, engineering support for hardware modifications, guidance for operational strategies on engine research, and hardware support by providing a flexible multi-cylinder engine to be used for optimizing engine efficiency with ethanol-containing fuels.
Szybist, J.; Confer, K. (Delphi Automotive Systems)
High speed sampler and demultiplexer
A high speed sampling demultiplexer based on a plurality of sampler banks, each bank comprising a sample transmission line for transmitting an input signal, a strobe transmission line for transmitting a strobe signal, and a plurality of sampling gates at respective positions along the sample transmission line for sampling the input signal in response to the strobe signal. Strobe control circuitry is coupled to the plurality of banks, and supplies a sequence of bank strobe signals to the strobe transmission lines in each of the plurality of banks, and includes circuits for controlling the timing of the bank strobe signals among the banks of samplers. Input circuitry is included for supplying the input signal to be sampled to the plurality of sample transmission lines in the respective banks. The strobe control circuitry can repetitively strobe the plurality of banks of samplers such that the banks of samplers are cycled to create a long sample length. Second tier demultiplexing circuitry is coupled to each of the samplers in the plurality of banks. The second tier demultiplexing circuitry senses the sample taken by the corresponding sampler each time the bank in which the sampler is found is strobed. A plurality of such samples can be stored by the second tier demultiplexing circuitry for later processing. Repetitive sampling with the high speed transient sampler induces an effect known as ``strobe kickout``. The sample transmission lines include structures which reduce strobe kickout to acceptable levels, generally 60 dB below the signal, by absorbing the kickout pulses before the next sampling repetition. 16 figs.
A high speed sampling demultiplexer based on a plurality of sampler banks, each bank comprising a sample transmission line for transmitting an input signal, a strobe transmission line for transmitting a strobe signal, and a plurality of sampling gates at respective positions along the sample transmission line for sampling the input signal in response to the strobe signal. Strobe control circuitry is coupled to the plurality of banks, and supplies a sequence of bank strobe signals to the strobe transmission lines in each of the plurality of banks, and includes circuits for controlling the timing of the bank strobe signals among the banks of samplers. Input circuitry is included for supplying the input signal to be sampled to the plurality of sample transmission lines in the respective banks. The strobe control circuitry can repetitively strobe the plurality of banks of samplers such that the banks of samplers are cycled to create a long sample length. Second tier demultiplexing circuitry is coupled to each of the samplers in the plurality of banks. The second tier demultiplexing circuitry senses the sample taken by the corresponding sampler each time the bank in which the sampler is found is strobed. A plurality of such samples can be stored by the second tier demultiplexing circuitry for later processing. Repetitive sampling with the high speed transient sampler induces an effect known as "strobe kickout". The sample transmission lines include structures which reduce strobe kickout to acceptable levels, generally 60 dB below the signal, by absorbing the kickout pulses before the next sampling repetition.
Vitrification of high sulfate wastes
The US Department of Energy (DOE) through the Mixed Waste Integrated Program (MWIP) is investigating the application of vitrification technology to mixed wastes within the DOE system This work involves identifying waste streams, laboratory testing to identify glass formulations and characterize the vitrified product, and demonstration testing with the actual waste in a pilot-scale system. Part of this program is investigating process limits for various waste components, specifically those components that typically create problems for the application of vitrification, such as sulfate, chloride, and phosphate. This work describes results from vitrification testing for a high-sulfate waste, the 183-H Solar Evaporation Basin waste at Hanford. A low melting phosphate glass formulation has been developed for a waste stream high in sodium and sulfate. At melt temperatures in the range of 1,000 C to 1,200 C, sulfate in the waste is decomposed to gaseous oxides and driven off during melting, while the remainder of the oxides stay in the melt. Decomposition of the sulfates eliminates the processing problems typically encountered in vitrification of sulfate-containing wastes, resulting in separation of the sulfate from the remainder of the waste and allowing the sulfate to be collected in the off-gas system and treated as a secondary waste stream. Both the vitreous product and intentionally devitrified samples are durable when compared to reference glasses by TCLP and DI water leach tests. Simple, short tests to evaluate the compatibility of the glasses with potential melter materials found minimal corrosion with most materials.
Merrill, R.A.; Whittington, K.F.; Peters, R.D.
Incentivos de Impuestos: Preguntas Frecuentes
Incentivos de Impuestos: Preguntas Frecuentes Incentivos de Impuestos: Preguntas Frecuentes ¿Cuál es la diferencia entre una desgravación y un reembolso? Una desgravación de impuestos reduce la cantidad de ingresos por los cuales se le cobran impuestos. Por ejemplo, si usted ganara un total de 50,000 dólares, una desgravación de 2,000 dólares reduciría sus ingresos a 48,000 dólares. De este modo, usted pagaría impuestos por ingresos de 48,000 dólares en vez de 50,000 dólares. Esto significa que sus ahorros reales serían una fracción de la desgravación de 2,000 dólares. Un reembolso de impuestos reduce el importe de impuesto por ingresos que usted debe. De este modo, si usted debiera 10,000 dólares en el impuesto sobre la renta federal, un reembolso de 2,000 dólares reduciría la cantidad que usted debe a 8,000 dólares.