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Office of Scientific and Technical Information
The Decline in World Oil Reserves Predicted by the Parabolic Projection of Future Production and Discoveries
E-Print Network [OSTI]
The expected changes in world reserves of conventional oil were interpreted in terms of the standard convention defining resources and reserves. According to this convention, oil is produced exclusively from reserves which in turn are replenished only by discoveries. The change in reserves over one year is thus the sum of discoveries less the production for that year. The total discoveries were taken as the sum from two different sources: those arising from the normal exploration process and those that contribute to the Reserves Addition specified in the Year 2000 Assessment of the U.S. Geological Survey. These two quantities may change over time in opposite directions and it is this attribute that distinguishes this paper from previous studies. The production projection taken from the previous underlying paper was based upon the Mean Value published in the Year 2000 Assessment of the U.S. Geological Survey. This paper also follows the earlier one in interpreting the Reserves Addition in two different ways that represent opposite boundary conditions. In Case 1, the Reserves Addition was only assumed active after the peak in production has passed and in Case 2, it was assumed to
John H. Walsh
Parabolic cylinder functions implemented in Matlab
Routines for computation of Weber's parabolic cylinder functions and their derivatives are implemented in Matlab for both moderate and great values of the argument. Standard, real solutions are considered. Tables of values are included.
E. Cojocaru
#include #include
process #12;#include #include pid_t pid = fork(); if (pid () failed */ } else if (pid == 0) { /* parent process */ } else { /* child process */ } #12;thread #12
Campbell, Andrew T.
#include #include //Rappels : "getpid()" permet d'obtenir son propre pid // "getppid()" renvoie le pid du père d'un processus int main (void) { pid_t pid_fils; pid_fils = fork(); if(pid_fils==-1) { printf("Erreur de création du processus fils\
Poinsot, Laurent
CHEMISTRY International July-August 2011 Volume 33, No. 4 supplement The world that surrounds us, including the water that
#12;CHEMISTRY International · July-August 2011 · Volume 33, No. 4 · supplement The world chemistry text books and on classroom walls illustrates important patterns of chemical behavior number of protons (e.g., carbon atoms have 6 protons, while all uranium atoms have 92 protons
IMPACTS ON U.S. ECONOMY NIH is the largest funder of biomedical research in the world, including the research of 135
ON U.S. ECONOMY NIH is the largest funder of biomedical research in the world, including the research patents worldwide to NIH's intellectual property portfolio. 1 NIH's Role in Sustaining The U.S. Economy://www.unitedformedicalresearch.com/wp-content/uploads/2012/03/NIHs-Role-in- Sustaining-the-US-Economy-2011.pdf 2 An Economic Engine: NIH Research
Bandettini, Peter A.
1. Introduction. 1.1. Background. The parabolic obstacle problem refers to finding the smallest supper-solution (for a given parabolic ... H. Shahgholian is supported by Swedish Research Council. 1 ...... MR MR2052937 (2005d:35276). [BD97].
Shenandoah parabolic dish solar collector
SciTech Connect (OSTI)
The objectives of the Shenandoah, Georgia, Solar Total Energy System are to design, construct, test, and operate a solar energy system to obtain experience with large-scale hardware systems for future applications. This report describes the initial design and testing activities conducted to select and develop a collector that would serve the need of such a solar total energy system. The parabolic dish was selected as the collector most likely to maximize energy collection as required by this specific site. The fabrication, testing, and installation of the parabolic dish collector incorporating improvements identified during the development testing phase are described.
Kinoshita, G.S.
Plane and parabolic solar panels
We present a plane and parabolic collector that absorbs radiant energy and transforms it in heat. Therefore we have a panel to heat water. We study how to increment this capture of solar beams onto the panel in order to increase its efficiency in heating water.
J. H. O. Sales; A. T. Suzuki
Sales, J H O
Power converters for parabolic dishes
The development status of receivers and power conversion units to be used with parabolic dish concentrators is presented. Applications are identified, and the key role played by the power converter element of the collector module is emphasized. The electrical output of the 11-meter-diameter dish modules which are being developed varies up to a maximum of about 25 kilowatts, depending on the thermodynamic cycle of the power converter. Three power conversion units are being developed: an organic Rankine, an air Brayton, and a Stirling. The development program for the receivers and the power conversion units is described in detail.
Truscello, V.C.; Williams, A.N.
Sandia National Laboratories: Parabolic Dishes
Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 -theErik Spoerke SSLSMolten-SaltReliability PVracksFacilityParabolic Dishes
Project Profile: Next-Generation Parabolic Trough Collectors...
Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site
Parabolic Trough Collectors and Components for CSP Applications Project Profile: Next-Generation Parabolic Trough Collectors and Components for CSP Applications Abengoa logo...
Coupled Parabolic Equations for Wave Propagation
Coupled Parabolic Equations for Wave Propagation Kai Huang, Knut Solna and Hongkai Zhao #3; April simulation of wave propagation over long distances. The coupled parabolic equations are derived from a two algorithms are important in order to understand wave propagation in complex media. Resolving the wavelength
Zhao, Hongkai
Method of manufacturing a glass parabolic-cylindrical solar collector
The method includes the following steps: (1) a microsheet of glass is drawn from a glass melt; (2) a reflective layer, such as silver, is deposited on one surface of the microsheet; (3) a first flexible backing layer, such as fiberglass, is bonded to the reflective layer; (4) the combination of the microsheet with the reflective layer and the first backing layer is formed over a mandrel which is preferably in the form of a parabolic cylinder; and (5) a honeycombed layer, with a second fiberglass backing layer, is then bonded to the first backing layer. The product produced by the steps 1-5 is then cured so that it retains the desired configuration; i.e. parabolic-cylindrical, after it is removed from the mandrel.
Deminet, C.
Parabolic Trough Solar Power Plant Simulation Model: Preprint
As interest for clean renewable electric power technologies grows, a number of parabolic trough power plants of various configurations are being considered for deployment around the globe. It is essential that plant designs be optimized for each specific application. The optimum design must consider the capital cost, operations and maintenance cost, annual generation, financial requirements, and time-of-use value of the power generated. Developers require the tools for evaluating tradeoffs between these various project elements. This paper provides an overview of a computer model that is being used by scientists and developers to evaluate the tradeoff between cost, performance, and economic parameters for parabolic trough solar power plant technologies. An example is included that shows how this model has been used for a thermal storage design optimization.
Price, H.
Some modifications to the design of a parabolic solar concentrator for construction in Lesotho and their effects on power production
An experimental study was performed to test the effectiveness of design modifications terms of efficiency and power production in an existing parabolic solar concentrator. The proposed modifications included limiting the ...
Ferreira, Toni (Toni Jolene)
A Linear Parabolic Trough Solar Collector Performance Model
A performance model has been programmed for solar thermal collector based on a linear, tracking parabolic trough reflector focused on a surface-treated metallic pipe receiver enclosed in an evacuated transparent tube: a Parabolic Trough Solar...
Qu, M.; Archer, D.; Masson, S.
Parabolic trough solar collectors : design for increasing efficiency
Parabolic trough collectors are a low cost implementation of concentrated solar power technology that focuses incident sunlight onto a tube filled with a heat transfer fluid. The efficiency and cost of the parabolic trough ...
Figueredo, Stacy L. (Stacy Lee), 1981-
The winning ideas for the Fall 2013 Change the World Challenge cover a variety of innovative devices, processes, and technologies. The ten winning ideas include
. Weepri A 3-D printing system with educational lessons that empowers young inventors and tinkerers devices, processes, and technologies. The ten winning ideas include: Logikits Logikits is an easy-to-learn of mental illness; a notification email would be sent to the parents. Deborah Lark '17, Nuclear
Salama, Khaled
Optimal Heat Collection Element Shapes for Parabolic Trough Concentrators
For nearly 150 years, the cross section of the heat collection tubes used at the focus of parabolic trough solar concentrators has been circular. This type of tube is obviously simple and easily fabricated, but it is not optimal. It is shown in this article that the optimal shape, assuming a perfect parabolic figure for the concentrating mirror, is instead oblong, and is approximately given by a pair of facing parabolic segments.
Bennett, C
Field Survey of Parabolic Trough Receiver Thermal Performance: Preprint
This paper describes a technique that uses an infrared camera to evaluate the in-situ thermal performance of parabolic trough receivers at operating solar power plants.
Price, H.; Forristall, R.; Wendelin, T.; Lewandowski, A.; Moss, T.; Gummo, C.
Parabolic Trough Solar Thermal Electric Power Plants (Fact Sheet)
This fact sheet provides an overview of the potential for parabolic trough solar thermal electric power plants, especially in the Southwestern U.S.
Not Available
Advanced Low-Cost Recievers for Parabolic Troughs
Broader source: Energy.gov (indexed) [DOE]
PROJECT OBJECTIVES KEY RESULTS AND OUTCOMES NEXT MILESTONES 1. Burkholder F, Kutscher C. Heat Loss Testing of Schott's 2008 PTR70 Parabolic Trough Receiver (NRELTP-550-45633):...
Simplified Methodology for Designing Parabolic Trough Solar Power Plants.
?? The performance of parabolic trough based solar power plants over the last 25 years has proven that this technology is an excellent alternative for� (more)
Vasquez Padilla, Ricardo
??The performance of parabolic trough based solar power plants over the last 25 years has proven that this technology is an excellent alternative for the� (more)
Alignment method for parabolic trough solar concentrators
DOE Patents [OSTI]
A Theoretical Overlay Photographic (TOP) alignment method uses the overlay of a theoretical projected image of a perfectly aligned concentrator on a photographic image of the concentrator to align the mirror facets of a parabolic trough solar concentrator. The alignment method is practical and straightforward, and inherently aligns the mirror facets to the receiver. When integrated with clinometer measurements for which gravity and mechanical drag effects have been accounted for and which are made in a manner and location consistent with the alignment method, all of the mirrors on a common drive can be aligned and optimized for any concentrator orientation.
Diver, Richard B. (Albuquerque, NM)
Nontracking parabolic solar energy collector apparatus
A mirror collector having a generally parabolic surface terminating near the vertex in a circular or cylindrical curve, an evacuated cylindrical heat entrapment tube compossed of a clear glass for energy admission and two pair of elongated heat collector tubes centrally located in the heat entrapment tube for passing an inner fluid to be heated. The two pair of heat collector tubes are constructed of copper with a selective absorption coating for receiving heat and positioned so that the mirror collector concentrates substantially all incoming energy upon the central heat collector tubes.
Gill, M. T.; Rogers, M. C.
Elastic approximation for a solar parabolic February 29, 2012
of these additional forces are computed for var- ious cases, that give a result in theoretical maximal concentration cost of the parabolic mirror is one of the fundamental factors in the production of a parabolic trough. Tra- ditionally, the support of the mirror is a rigid sheet precisely preformed to the shape
Paris-Sud XI, Université de
Parabolic refined invariants and Macdonald polynomials
A string theoretic derivation is given for the conjecture of Hausel, Letellier, and Rodriguez-Villegas on the cohomology of character varieties with marked points. Their formula is identified with a refined BPS expansion in the stable pair theory of a local root stack, generalizing previous work of the first two authors in collaboration with G. Pan. Haiman's geometric construction for Macdonald polynomials is shown to emerge naturally in this context via geometric engineering. In particular this yields a new conjectural relation between Macdonald polynomials and refined local orbifold curve counting invariants. The string theoretic approach also leads to a new spectral cover construction for parabolic Higgs bundles in terms of holomorphic symplectic orbifolds.
Chuang, Wu-yen; Donagi, Ron; Pantev, Tony
Gas Turbine/Solar Parabolic Trough Hybrid Design Using Molten Salt Heat Transfer Fluid: Preprint
Parabolic trough power plants can provide reliable power by incorporating either thermal energy storage (TES) or backup heat from fossil fuels. This paper describes a gas turbine / parabolic trough hybrid design that combines a solar contribution greater than 50% with gas heat rates that rival those of natural gas combined-cycle plants. Previous work illustrated benefits of integrating gas turbines with conventional oil heat-transfer-fluid (HTF) troughs running at 390?C. This work extends that analysis to examine the integration of gas turbines with salt-HTF troughs running at 450 degrees C and including TES. Using gas turbine waste heat to supplement the TES system provides greater operating flexibility while enhancing the efficiency of gas utilization. The analysis indicates that the hybrid plant design produces solar-derived electricity and gas-derived electricity at lower cost than either system operating alone.
Turchi, C. S.; Ma, Z.
Multiscale numerical methods for some types of parabolic equations
parabolic equations in strongly channelized media. We concentrate on showing that the solution depends on the steady state solution smoothly. As for the first problem, we obtain quantitive estimates for the convergence of the correctors and some parts...
Nam, Dukjin
Federal technology alert. Parabolic-trough solar water heating
Parabolic-trough solar water heating is a well-proven renewable energy technology with considerable potential for application at Federal facilities. For the US, parabolic-trough water-heating systems are most cost effective in the Southwest where direct solar radiation is high. Jails, hospitals, barracks, and other facilities that consistently use large volumes of hot water are particularly good candidates, as are facilities with central plants for district heating. As with any renewable energy or energy efficiency technology requiring significant initial capital investment, the primary condition that will make a parabolic-trough system economically viable is if it is replacing expensive conventional water heating. In combination with absorption cooling systems, parabolic-trough collectors can also be used for air-conditioning. Industrial Solar Technology (IST) of Golden, Colorado, is the sole current manufacturer of parabolic-trough solar water heating systems. IST has an Indefinite Delivery/Indefinite Quantity (IDIQ) contract with the Federal Energy Management Program (FEMP) of the US Department of Energy (DOE) to finance and install parabolic-trough solar water heating on an Energy Savings Performance Contract (ESPC) basis for any Federal facility that requests it and for which it proves viable. For an ESPC project, the facility does not pay for design, capital equipment, or installation. Instead, it pays only for guaranteed energy savings. Preparing and implementing delivery or task orders against the IDIQ is much simpler than the standard procurement process. This Federal Technology Alert (FTA) of the New Technology Demonstration Program is one of a series of guides to renewable energy and new energy-efficient technologies.
Property estimation using inverse methods for elliptic and parabolic partial differential equations
In this work we use inverse methods to estimate flow coefficients in both elliptic and parabolic partial differential equations. An algorithm is developed to solve a one layer problem for elliptic and parabolic partial differential equations...
Parmekar, Sandeep
Advanced Low-Cost Receivers for Parabolic Troughs
Broader source: Energy.gov [DOE]
This fact sheet describes an advanced, low-cost receiver project for parabolic troughs, awarded under the DOE's 2012 SunShot Concentrating Solar Power R&D award program. Norwich Technologies is designing a novel receiver that addresses these issues for parabolic trough concentrating solar power systems. This technology represents significant operational and cost advances in the most trusted and broadly implemented form of CSP and provides a viable pathway to achieving SunShot�s $0.06/kWh goal for utility-scale CSP systems.
Large deviation theory and applications Application I: The parabolic Anderson
of independent, identically distributed random variables. We denote by · the expectation with respect, it is believed that there is a small number of relevant island where the potential takes especially large values, the parabolic Anderson model is intermittent. Throughout, we will assume that the logarithmic moment generating
Dynamical constants of structured photons with parabolic-cylindrical symmetry
Electromagnetic modes with parabolic-cylindrical symmetry and their dynamical variables are studied both in the classical and quantum realm. As a result, a new dynamical constant for the electromagnetic field is identified and linked to the symmetry operator which supports it.
B. M. Rodriguez-Lara; R. Jauregui
Long-term average performance benefits of parabolic trough improvements
Improved parabolic trough concentrating collectors will result from better design, improved fabrication techniques, and the development and utilization of improved materials. The difficulty of achieving these improvements varies as does their potential for increasing parabolic trough performance. The purpose of this analysis is to quantify the relative merit of various technology advancements in improving the long-term average performance of parabolic trough concentrating collectors. The performance benefits of improvements are determined as a function of operating temperature for north-south, east-west, and polar mounted parabolic troughs. The results are presented graphically to allow a quick determination of the performance merits of particular improvements. Substantial annual energy gains are shown to be attainable. Of the improvements evaluated, the development of stable back-silvered glass reflective surfaces offers the largest performance gain for operating temperatures below 150/sup 0/C. Above 150/sup 0/C, the development of trough receivers that can maintain a vacuum is the most significant potential improvement. The reduction of concentrator slope errors also has a substantial performance benefit at high operating temperatures.
Gee, R.; Gaul, H.W.; Kearney, D.; Rabl, A.
Compound parabolic concentrator with cavity for tubular absorbers
A compond parabolic concentrator with a V-shaped cavity is provided in which an optical receiver is emplaced. The cavity redirects all energy entering between the receiver and the cavity structure onto the receiver, if the optical receiver is emplaced a distance from the cavity not greater than 0.27 r (where r is the radius of the receiver).
Winston, Roland (5217C S. University Ave., Chicago, IL 60615)
Parabolic trough solar power for competitive U.S. markets
Nine parabolic trough power plants located in the California Mojave Desert represent the only commercial development of large-scale solar power plants to date. Although all nine plants continue to operate today, no new solar power plants have been completed since 190. Over the last several years, the parabolic trough industry has focused much of its efforts on international market opportunities. Although the power market in developing countries appears to offer a number of opportunities for parabolic trough technologies due to high growth and the availability of special financial incentives for renewables, these markets are also plagued with many difficulties for developers. In recent years, there has been some renewed interest in the U.S. domestic power market as a results of an emerging green market and green pricing incentives. Unfortunately, many of these market opportunities and incentives focus on smaller, more modular technologies (such as photovoltaics or wind power), and as a result they tend to exclude or are of minimum long-term benefit to large-scale concentrating solar power technologies. This paper looks at what is necessary for large-scale parabolic trough solar power plants to compete with state-of-the-art fossil power technology in a competitive US power market.
Price, H.W.; Kistner, R.
Parabolic-Dish Solar Concentrators of Film on Foam
Parabolic and spherical mirrors are constructed of aluminized PET polyester film on urethane foam. During construction, the chosen shape of the mirror is created by manipulating the elastic/plastic behavior of the film with air pressure. Foam is then applied to the film and, once hardened, air pressure is removed. At an f-number of 0.68, preliminary models have an optical angular spread of less than 0.25 degrees, a factor of 3.3 smaller than that for a perfectly spherical mirror. The possibility exists for creating large-lightweight mirrors with excellent shape and stiffness. These "film-on-foam" construction techniques may also be applicable to parabolic-trough solar concentrators but do not appear to be suitable for optical imaging applications because of irregularities in the film.
Barton, Sean A
Absorber Alignment Measurement Tool for Solar Parabolic Trough Collectors: Preprint
As we pursue efforts to lower the capital and installation costs of parabolic trough solar collectors, it is essential to maintain high optical performance. While there are many optical tools available to measure the reflector slope errors of parabolic trough solar collectors, there are few tools to measure the absorber alignment. A new method is presented here to measure the absorber alignment in two dimensions to within 0.5 cm. The absorber alignment is measured using a digital camera and four photogrammetric targets. Physical contact with the receiver absorber or glass is not necessary. The alignment of the absorber is measured along its full length so that sagging of the absorber can be quantified with this technique. The resulting absorber alignment measurement provides critical information required to accurately determine the intercept factor of a collector.
Stynes, J. K.; Ihas, B.
Gas Turbine/Solar Parabolic Trough Hybrid Designs: Preprint
A strength of parabolic trough concentrating solar power (CSP) plants is the ability to provide reliable power by incorporating either thermal energy storage or backup heat from fossil fuels. Yet these benefits have not been fully realized because thermal energy storage remains expensive at trough operating temperatures and gas usage in CSP plants is less efficient than in dedicated combined cycle plants. For example, while a modern combined cycle plant can achieve an overall efficiency in excess of 55%; auxiliary heaters in a parabolic trough plant convert gas to electricity at below 40%. Thus, one can argue the more effective use of natural gas is in a combined cycle plant, not as backup to a CSP plant. Integrated solar combined cycle (ISCC) systems avoid this pitfall by injecting solar steam into the fossil power cycle; however, these designs are limited to about 10% total solar enhancement. Without reliable, cost-effective energy storage or backup power, renewable sources will struggle to achieve a high penetration in the electric grid. This paper describes a novel gas turbine / parabolic trough hybrid design that combines solar contribution of 57% and higher with gas heat rates that rival that for combined cycle natural gas plants. The design integrates proven solar and fossil technologies, thereby offering high reliability and low financial risk while promoting deployment of solar thermal power.
Turchi, C. S.; Ma, Z.; Erbes, M.
Two-tank indirect thermal storage designs for solar parabolic trough power plants.
??The performance of a solar thermal parabolic trough plant with thermal storage is dependent upon the arrangement of the heat exchangers that ultimately transfer energy� (more)
Kopp, Joseph E.
Deformation of a thin, elastic plate to a deep parabolic cylinder
Equations governing the elastic deformation of thin plates through large displacements to deep parabolic cylinders are presented and solved. The solution consists of expressions for a spatially distributed surface pressure and uniform rim loads which, when applied to the plate, produce the specified, deep parabolic cylindrical shape. These forming loads are written in dimensionless form for parabolic cylinders of arbitrary focal length and arbitrary rim to rim aperture. Numerical results are presented and limiting values are discussed. The solution and results find immediate application to mechanical forming and adhesive retention of parabolic solar collector components.
Reuter, R.C. Jr.; Wilson, R.K.
alxga1-xas parabolic quantum: Topics by E-print Network
Marko Znidaric 2001-03-01 37 Dynamical constants of structured photons with parabolic-cylindrical symmetry Quantum Physics (arXiv) Summary: Electromagnetic modes with...
Analytical model and performance data for a cylindrical parabolic collector
Concentrating solar collectors provide higher fluid temperatures than flat-plate, an important advantage in many applications. The parabolic cylinder is one of the most popular types of concentrating collectors because of its relatively simple construction and tracking configuration. A mathematical model was developed for one such collector in order to predict thermal efficiency as a function of solar insolation. An experiment was then devised in an attempt to verify this model. Discrepancies between predicted and observed values are discussed, and suggestions are made for improving the model and the experimental procedure.
Ford, F.M.; Stewart, W.E. Jr.
Two parabolic equations for propagation in layered poro-elastic media
Two parabolic equations for propagation in layered poro-elastic media Adam M. Metzlera) Applied Space Center, Mississippi 39529 Jon M. Collis Colorado School of Mines, Golden, Colorado 80401 (Received.40.Fz, 43.30.Ma [TFD] Pages: 246256 I. INTRODUCTION The parabolic equation method is accurate
Vortices and Rossby waves in cylinder wakes on a parabolic -plane observed by altimetric imaging velocimetry
, geostrophic and gradient wind velocity, and potential vorticity fields with very high spatial resolutionVortices and Rossby waves in cylinder wakes on a parabolic -plane observed by altimetric imaging in the wake of a circular cylinder are investigated in a rotating parabolic polar -plane fluid. This system
Afanassiev, Iakov
hal-00177601,version2-30Oct2007 A closed parabolic trough solar collector
hal-00177601,version2-30Oct2007 A closed parabolic trough solar collector Gang Xiao 30th October of closed-box parabolic trough concentrated solar collector. By accepting an optical loss of a few, and the potential of improvement. The basic design of the closed collector is given in Section 2. It is a hermetic
Paris-Sud XI, Universit� de
World energy consumption
Historical and projected world energy consumption information is displayed. The information is presented by region and fuel type, and includes a world total. Measurements are in quadrillion Btu. Sources of the information contained in the table are: (1) history--Energy Information Administration (EIA), International Energy Annual 1992, DOE/EIA-0219(92); (2) projections--EIA, World Energy Projections System, 1994. Country amounts include an adjustment to account for electricity trade. Regions or country groups are shown as follows: (1) Organization for Economic Cooperation and Development (OECD), US (not including US territories), which are included in other (ECD), Canada, Japan, OECD Europe, United Kingdom, France, Germany, Italy, Netherlands, other Europe, and other OECD; (2) Eurasia--China, former Soviet Union, eastern Europe; (3) rest of world--Organization of Petroleum Exporting Countries (OPEC) and other countries not included in any other group. Fuel types include oil, natural gas, coal, nuclear, and other. Other includes hydroelectricity, geothermal, solar, biomass, wind, and other renewable sources.
Test results, Industrial Solar Technology parabolic trough solar collector
Sandia National Laboratories and Industrial Solar Technology are cost-sharing development of advanced parabolic trough technology. As part of this effort, several configurations of an IST solar collector were tested to determine the collector efficiency and thermal losses with black chrome and black nickel receiver selective coatings, combined with aluminized film and silver film reflectors, using standard Pyrex{reg_sign} and anti-reflective coated Pyrex{reg_sign} glass receiver envelopes. The development effort has been successful, producing an advanced collector with 77% optical efficiency, using silver-film reflectors, a black nickel receiver coating, and a solgel anti-reflective glass receiver envelope. For each receiver configuration, performance equations were empirically derived relating collector efficiency and thermal losses to the operating temperature. Finally, equations were derived showing collector performance as a function of input insolation value, incident angle, and operating temperature.
Dudley, V.E. [EG and G MSI, Albuquerque, NM (United States); Evans, L.R.; Matthews, C.W. [Sandia National Labs., Albuquerque, NM (United States)
California is about to complete its third year of a deregulated competitive wholesale power market. During the first two years of the competitive market, power prices averaged between 2 and 3�/kWh. During 2000, electric supply to California was constrained a number of times causing maximum the price of power to peak over 100�/kWh, and the average price of power to quadruple. The power output from solar plants tends to coincide with the high power demand periods in California. This fact had been demonstrated by the solar electric generating stations (SEGS) located in the California Mojave Desert, which operate under specific contracts signed in the 1980�s and early 1990�s with the local utility. This paper, on the other hand, examines how new parabolic trough solar plants would have faired on the wholesale competitive power market during 1999 and 2000.
Fifth parabolic dish solar thermal power program annual review: proceedings
The primary objective of the Review was to present the results of activities within the Parabolic Dish Technology and Module/Systems Development element of the Department of Energy's Solar Thermal Energy Systems Program. The Review consisted of nine technical sessions covering overall Project and Program aspects, Stirling and Brayton module development, concentrator and engine/receiver development, and associated hardware and test results to date; distributed systems operating experience; international dish development activities; and non-DOE-sponsored domestic dish activities. A panel discussion concerning business views of solar electric generation was held. These Proceedings contain the texts of presentations made at the Review, as submitted by their authors at the beginning of the Review; therefore, they may vary slightly from the actual presentations in the technical sessions.
Development of Molten-Salt Heat Transfer Fluid Technology for Parabolic Trough Solar Power Plants - Public Final Technical Report
Executive Summary This Final Report for the "Development of Molten-Salt Heat Transfer Fluid (HTF) Technology for Parabolic Trough Solar Power Plants� describes the overall project accomplishments, results and conclusions. Phase 1 analyzed the feasibility, cost and performance of a parabolic trough solar power plant with a molten salt heat transfer fluid (HTF); researched and/or developed feasible component options, detailed cost estimates and workable operating procedures; and developed hourly performance models. As a result, a molten salt plant with 6 hours of storage was shown to reduce Thermal Energy Storage (TES) cost by 43.2%, solar field cost by 14.8%, and levelized cost of energy (LCOE) by 9.8% - 14.5% relative to a similar state-of-the-art baseline plant. The LCOE savings range met the project�s Go/No Go criteria of 10% LCOE reduction. Another primary focus of Phase 1 and 2 was risk mitigation. The large risk areas associated with a molten salt parabolic trough plant were addressed in both Phases, such as; HTF freeze prevention and recovery, collector components and piping connections, and complex component interactions. Phase 2 analyzed in more detail the technical and economic feasibility of a 140 MWe,gross molten-salt CSP plant with 6 hours of TES. Phase 2 accomplishments included developing technical solutions to the above mentioned risk areas, such as freeze protection/recovery, corrosion effects of applicable molten salts, collector design improvements for molten salt, and developing plant operating strategies for maximized plant performance and freeze risk mitigation. Phase 2 accomplishments also included developing and thoroughly analyzing a molten salt, Parabolic Trough power plant performance model, in order to achieve the project cost and performance targets. The plant performance model and an extensive basic Engineering, Procurement, and Construction (EPC) quote were used to calculate a real levelized cost of energy (LCOE) of 11.50�/kWhe , which achieved the Phase 2 Go/No Go target of less than 0.12�/kWhe. Abengoa Solar has high confidence that the primary risk areas have been addressed in the project and a commercial plant utilizing molten salt is economically and technically feasible. The strong results from the Phase 1 and 2 research, testing, and analyses, summarized in this report, led Abengoa Solar to recommend that the project proceed to Phase 3. However, a commercially viable collector interconnection was not fully validated by the end of Phase 2, combined with the uncertainty in the federal budget, forced the DOE and Abengoa Solar to close the project. Thus the resources required to construct and operate a molten salt pilot plant will be solely supplied by Abengoa Solar.
Grogan, Dylan C. P.
Mechanical development of the actuation system of a parabolic solar trough
This thesis documents my personal contribution to the engineering and design of an actuation system with the purpose of rotating a parabolic solar trough to track the sun throughout the day. The primary focus of the design ...
O'Rourke, Conor R. (Conor Rakis)
Wind Tunnel Tests of Parabolic Trough Solar Collectors: March 2001--August 2003
Conducted extensive wind-tunnel tests on parabolic trough solar collectors to determine practical wind loads applicable to structural design for stress and deformation, and local component design for concentrator reflectors.
Hosoya, N.; Peterka, J. A.; Gee, R. C.; Kearney, D.
Stability in terms of two measures for a class of semilinear impulsive parabolic equations
The problem of stability in terms of two measures is considered for semilinear impulsive parabolic equations. A new version of the comparison method is proposed, and sufficient conditions for stability in terms of two measures are obtained on this basis. An example of a hybrid impulsive system formed by a system of ordinary differential equations coupled with a partial differential equation of parabolic type is given. The efficiency of the described approaches is demonstrated. Bibliography: 24 titles.
Dvirnyj, Aleksandr I; Slyn'ko, Vitalij I
Slope Error Measurement Tool for Solar Parabolic Trough Collectors: Preprint
The National Renewable Energy Laboratory (NREL) has developed an optical measurement tool for parabolic solar collectors that measures the combined errors due to absorber misalignment and reflector slope error. The combined absorber alignment and reflector slope errors are measured using a digital camera to photograph the reflected image of the absorber in the collector. Previous work using the image of the reflection of the absorber finds the reflector slope errors from the reflection of the absorber and an independent measurement of the absorber location. The accuracy of the reflector slope error measurement is thus dependent on the accuracy of the absorber location measurement. By measuring the combined reflector-absorber errors, the uncertainty in the absorber location measurement is eliminated. The related performance merit, the intercept factor, depends on the combined effects of the absorber alignment and reflector slope errors. Measuring the combined effect provides a simpler measurement and a more accurate input to the intercept factor estimate. The minimal equipment and setup required for this measurement technique make it ideal for field measurements.
Dilmaya's World
burning on a funeral pyre. I had never lived for more than a day or in a world without toilets or toilet papers, where there was no central heating and no window glass to keep out the cold Himalayan winds. * * * Short of finding the very... infancy to puberty in a remote Himalayan village. So Dilmaya allowed this, as well as encouraging our love for her sons and husband. All this was achieved while she looked after us physically and stretched her mind and body to the limits...
Alan, Macfarlane
5 World Oil Trends WORLD OIL TRENDS
5 World Oil Trends Chapter 1 WORLD OIL TRENDS INTRODUCTION In considering the outlook for California's petroleum supplies, it is important to give attention to expecta- tions of what the world oil market. Will world oil demand increase and, if so, by how much? How will world oil prices be affected
A three-dimensional upwind PNS code for chemically reacting scramjet flowfields. [Parabolized Navier Stokes
A new upwind, parabolized Navier-Stokes (PNS) code has been developed to compute the three-dimensional (3D) chemically reacting flow in scramjet (supersonic combustion ramjet) engines. The code is a modification of the 3D upwind PNS (UPS) airflow code which has been extended in the present study to permit internal flow calculations with hydrogen-air chemistry. With these additions, the new code has the capability of computing aerodynamic and propulsive flowfields simultaneously. The algorithm solves the PNS equations using a finite-volume, upwind TVD method based on Roe's approximate Riemann solver that has been modified to account for 'real gas' effects. The fluid medium is assumed to be a chemically reacting mixture of thermally perfect (but calorically imperfect) gases in thermal equilibrium. The new code has been applied to two test cases. These include the Burrows-Kurkov supersonic combustion experiment and a generic 3D scramjet flowfield. The computed results compare favorably with the available experimental data. 38 refs.
Wadawadigi, G.; Tannehill, J.C.; Buelow, P.E.; Lawrence, S.L. (Iowa State University of Science and Technology, Ames (United States) NASA, Ames Research Center, Moffett Field, CA (United States))
World Air Transport Sustainability Analysis
Statement · Develop a quantitative model to assess the carbon footprint of world aviation, including #12;15 Alternative Fuels Data Required · For each major pathway, we require life-cycle CO2 footprint
Wind load design methods for ground-based heliostats and parabolic dish collectors
The purpose of this design method is to define wind loads on flat heliostat and parabolic dish collectors in a simplified form. Wind loads are defined for both mean and peak loads accounting for the protective influence of upwind collectors, wind protective fences, or other wind-blockage elements. The method used to define wind loads was to generalize wind load data obtained during tests on model collectors, heliostats or parabolic dishes, placed in a modeled atmospheric wind in a boundary-layer wind-tunnel at Colorado State University. For both heliostats and parabolic dishes, loads are reported for solitary collectors and for collectors as elements of a field. All collectors were solid with negligible porosity; thus the effects of porosity in the collectors is not addressed.
Peterka, J.A.; Derickson, R.G. [Colorado State Univ., Fort Collins, CO (United States). Fluid Dynamics and Diffusion Lab.
Nexant Parabolic Trough Solar Power Plant Systems Analysis; Task 3: Multiple Plants at a Common Location, 20 January 2005 - 31 December 2005
Subcontract report by Nexant, Inc., regarding a system analysis of multiple solar parabolic trough plants at a common location.
Kelly, B.
Internship Contract (Includes Practicum)
Internship Contract (Includes Practicum) Student's name-mail: _________________________________________ Internship Agency Contact Agency Name: ____________________________________ Address-mail: __________________________________________ Location of Internship, if different from Agency: ________________________________________________ Copies
Thaxton, Christopher S.
Pump apparatus including deconsolidator
A pump apparatus includes a particulate pump that defines a passage that extends from an inlet to an outlet. A duct is in flow communication with the outlet. The duct includes a deconsolidator configured to fragment particle agglomerates received from the passage.
Sonwane, Chandrashekhar; Saunders, Timothy; Fitzsimmons, Mark Andrew
Experimental testing of the variable rotated elastic parabolic Harry J. Simpsona)
Experimental testing of the variable rotated elastic parabolic equation Harry J. Simpsona) Physical Street, Golden, Colorado 80401 Raymond J. Soukup Acoustics Division Code 7144, Naval Research Laboratory and the ability of the model to produce benchmark-quality agreement with experimental data [J. M. Collis et al., J
Parabolic equation solution of seismo-acoustics problems involving variations in bathymetry and sediment thickness
and sediment thickness Jon M. Collisa and William L. Siegmann Rensselaer Polytechnic Institute110 8th Street within elastic sediment layers. When these methods are implemented together, the parabolic equation method can be applied to problems involving variations in bathymetry and the thickness of sediment layers
Phenomenological study of parabolic and spherical indentation of elastic-ideally plastic material
Phenomenological study of parabolic and spherical indentation of elastic-ideally plastic material O ideally plastic materials was carried out by using precise results of finite elements calculations behaviour is found. Two elastic-plastic regimes and two plastic regimes are observed for materials of very
Nuclear spin dynamics in parabolic quantum wells Ionel Tifrea* and Michael E. Flatte
Nuclear spin dynamics in parabolic quantum wells Ionel T¸ifrea* and Michael E. Flatte´ Department March 2004 We present a detailed analytical and numerical analysis of the nuclear spin dynamics of the electronic wave function in small electric fields. The nuclear spin relaxation via the hyperfine interaction
Flatte, Michael E.
High Resolution Sharp Computational Methods for Elliptic and Parabolic Problems in Complex Geometries
High Resolution Sharp Computational Methods for Elliptic and Parabolic Problems in Complex Geometries Fr�d�ric Gibou Chohong Min Ron Fedkiw November 2, 2012 In honor of Stan Osher's 70th birthday of chemical species (see [48] and the references therein); they are also core building blocks in fields
Fedkiw, Ron
The parabolic trough power plants Andasol 1 to 3 The largest solar power plants in the world
gas emissions, primarily carbon dioxide. Rising energy consumption worldwide is increas- ing the severity of this development; the Inter- national Energy Agency (IEA) estimates that by 2030, consumption Studies Greenpeace/ESTIA 2005 Sarasin 2007 Greenpeace EREC 2007 US Department of Energy IEA min. IEA max
Laughlin, Robert B.
receivers. Some of these drawbacks include expensive and technologically intensive absorption coatings, a 1%-5% annual failure rate for tubes due to vacuum degradation, and...
Near-term improvements in parabolic troughs: an economic and performance assessment
Improved parabolic-trough concentrating collectors will result from better design, improved fabrication techniques, and the development and utilization of improved materials. This analysis qualifies the performance potential of various parabolic-trough component improvements from a systems viewpoint and uses these performance data to determine the worth of each improvement on an economic basis. The improvements considered are evacuated receivers, silvered-glass reflectors, improved receiver, selective coatings, higher optical accuracy concentrations, and higher transmittance receiver glazings. Upper-bound costs for each improvement are provided as well as estimates of the increased solar system rates of return that are made possible by these improvements. The performance and economic potential of some of these improvements are shown to be substantial, especially at higher collector operating temperatures.
Gee, R.; Murphy, L.M.
Reducing the Cost of Energy from Parabolic Trough Solar Power Plants: Preprint
Parabolic trough solar technology is the most proven and lowest cost large-scale solar power technology available today, primarily because of the nine large commercial-scale solar power plants that are operating in the California Mojave Desert. However, no new plants have been built during the past ten years because the cost of power from these plants is more expensive than power from conventional fossil fuel power plants. This paper reviews the current cost of energy and the potential for reducing the cost of energy from parabolic trough solar power plant technology based on the latest technological advancements and projected improvements from industry and sponsored R&D. The paper also looks at the impact of project financing and incentives on the cost of energy.
Price, H.; Kearney, D.
Effects of gaps in adhesives that bond elastically deformed panels to parabolic, cylindrical substructures
In previous studies of the mechanical behavior of line focusing solar collectors, the reflective surface panel was modeled as a thin, initially flat, elastic plate that underwent large displacements to attain the shape of a prescribed parabolic cylinder. Attention was focused upon the stresses that developed in an adhesive layer which bonded the deformed panel to a rigid, parabolic substructure. Among the myriad possible collector designs, some possess longitudinally oriented, hollow ribs or corrugations in the substructure which interrupt the transverse continuity of the bond line between the deformed panel and the substructure. Thus, finite gaps in the adhesive are present which create regions where the panel surface becomes intermittently supported. The presence of these gaps perturbs the otherwise smooth distribution of adhesive contact stresses and it is the analytical modeling of this behavior that is the subject of the present report. In particular, attention is devoted to gaps which overlap with the edge effect zone - a region near the rim or vertex of the deformed panel where, in the absence of uniform edge loads necessary to maintain a true parabolic shape, high stresses and associated deformations occur. Significant influences of the gap size and position in the edge effect zone are demonstrated and discussed.
Wilson, R.K.; Reuter, R.C. Jr.
Bouncing plasmonic waves in half-parabolic potentials
We introduce a plasmonic analog for the dynamics of a quantum particle under a linear restoring force bouncing off an impenetrable barrier (''quantum paddle ball''). Paddle-ball-type plasmonic potentials are constructed in quadratically modulated metal-dielectric-metal structures with transverse metallic reflecting walls. We show, both analytically and numerically, the full-wave nature of the phenomenon, including plasmon bouncing and complete wave revivals after interference at the boundary. We show that the plasmon paddle-ball dynamics is effectively wavelength independent, opening opportunities for subwavelength manipulations of polychromatic and ultrashort-pulse plasmons.
Liu Wei [Nonlinear Physics Centre, Centre for Ultrahigh-bandwidth Devices for Optical Systems (CUDOS), Research School of Physics and Engineering, Australian National University, Canberra, ACT 0200 (Australia); College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073 (China); Neshev, Dragomir N.; Miroshnichenko, Andrey E.; Shadrivov, Ilya V.; Kivshar, Yuri S. [Nonlinear Physics Centre, Centre for Ultrahigh-bandwidth Devices for Optical Systems (CUDOS), Research School of Physics and Engineering, Australian National University, Canberra, ACT 0200 (Australia)
Nexant Parabolic Trough Solar Power Plant Systems Analysis; Task 2: Comparison of Wet and Dry Rankine Cycle Heat Rejection, 20 January 2005 - 31 December 2005
Subcontract report by Nexant, Inc., regarding a system analysis comparing solar parabolic trough plants with wet and dry rankine cycle heat rejection.
Modeling of a Parabolic Trough Solar Field for Acceptance Testing: A Case Study
As deployment of parabolic trough concentrating solar power (CSP) systems ramps up, the need for reliable and robust performance acceptance test guidelines for the solar field is also amplified. Project owners and/or EPC contractors often require extensive solar field performance testing as part of the plant commissioning process in order to ensure that actual solar field performance satisfies both technical specifications and performance guaranties between the involved parties. Performance test code work is currently underway at the National Renewable Energy Laboratory (NREL) in collaboration with the SolarPACES Task-I activity, and within the ASME PTC-52 committee. One important aspect of acceptance testing is the selection of a robust technology performance model. NREL1 has developed a detailed parabolic trough performance model within the SAM software tool. This model is capable of predicting solar field, sub-system, and component performance. It has further been modified for this work to support calculation at subhourly time steps. This paper presents the methodology and results of a case study comparing actual performance data for a parabolic trough solar field to the predicted results using the modified SAM trough model. Due to data limitations, the methodology is applied to a single collector loop, though it applies to larger subfields and entire solar fields. Special consideration is provided for the model formulation, improvements to the model formulation based on comparison with the collected data, and uncertainty associated with the measured data. Additionally, this paper identifies modeling considerations that are of particular importance in the solar field acceptance testing process and uses the model to provide preliminary recommendations regarding acceptable steady-state testing conditions at the single-loop level.
Wagner, M. J.; Mehos, M. S.; Kearney, D. W.; McMahan, A. C.
An analytical model and performance data for a cylindrical parabolic collector
Ford, F.M.; Stewart, W.E.
Initial evolution of supports of solutions of quasilinear parabolic equations with degenerate absorption potential
The propagation of supports of solutions of second-order quasilinear parabolic equations is studied; the equations are of the type of nonstationary diffusion, having semilinear absorption with an absorption potential which degenerates on the initial plane. We find sufficient conditions, which are sharp in a certain sense, on the relationship between the boundary regime and the type of degeneration of the potential to ensure the strong localization of solutions. We also establish a weak localization of solutions for an arbitrary potential which degenerates only on the initial plane. Bibliography: 12 titles.
Stepanova, Ekaterina V; Shishkov, Andrey E
On the Piecewise Parabolic Method for Compressible Flow with Stellar Equations of State
The piecewise parabolic method and related schemes are widely used to model stellar flows. Several different methods for extending the validity of these methods to a general equation of state have been proposed over time, but direct comparisons amongst one-another and exact solutions with stellar equations of state are not widely available. We introduce some simple test problems with exact solutions run with a popular stellar equation of state and test how two existing codes with different approaches to incorporating general gases perform. The source code for generating the exact solutions is made available.
Zingale, M
Measured performances of curved inverted-vee, absorber compound parabolic concentrating solar-energy collectors
The design and thermal performance of modified compound parabolic concentrating (CPC) solar-energy collectors are described. The designs incorporate a curved inverted-Vee absorber fin, which allows a reflector of simple geometry to be used. This CPC collector, has exhibited a superior performance to that of a conventional cusp-reflector CPC design, owing to the enhancement of the optical efficiency obtained by eliminating gap optical losses and an enhanced heat removal factor. The consequence upon the performance of a further design refinement, which inhibited the convective heat losses, is also reported.
Norton, B. (Univ. of Ulster at Jordanstown (Ireland)); Prapas, D.E. (Aristotle Univ. of Thessaloniki (Greece)); Eames, P.C.; Probert, S.D. (Cranfield Institute of Technology, Bedford (England))
Investigation of Q-tubes stability using the piecewise parabolic potential
We analyze the classical stability of Q-tubes --- charged extended objects in $(3+1)$-dimensional complex scalar field theory. Explicit solutions were found analytically in the piecewise parabolic potential. Our choice of potential allows us to construct a powerful method of stability investigation. We check that in the case of the zero winding number $n=0$, the previously known stability condition $\\partial^2E/\\partial Q^21$ becomes unstable towards the decay into the $n$ vortices with the single winding number.
E. Nugaev; A. Shkerin
A review of test results on parabolic dish solar thermal power modules with dish-mounted rankine engines and for production of process steam
This paper presents results of development testing of various solar thermal parabolic dish modules and assemblies. Most of the tests were at modules and assemblies that used a dish-mounted, organic Rankine cycle turbine for production of electric power. Some tests were also run on equipment for production of process steam or for production of electricity using dish-mounted reciprocating steam engines. These tests indicate that early modules achieve efficiencies of about 18 percent in converting sunlight to electricity (excluding the inverter but including parasitics). A number of malfunctions occurred. The performance measurements, as well as the malfunctions and other operating experience, provided information that should be of value in developing systems with improved performance and reduced maintenance.
Jaffe, L.D.
World Elephant Centre:.
??The World Elephant Centre tackles two problems of our time, in a global relevance framework. In fact, it is not only a typical case of� (more)
Rota, M.
What in the World are Possible Worlds?
talk of possible worlds? In this thesis, I will attempt to outline the most significant and well-recognized view in this debate: that of David Lewis. Through my discussion of him, I will find occasion to discuss some alternative views that have arisen...
Dondero, Mark
An optimized model and test of the China's first high temperature parabolic trough solar receiver
The vacuum solar receiver is the key component of a parabolic trough solar plant, which plays a prominent role in the gross system efficiency. Recently, China's first high temperature vacuum receiver, Sanle-3 HCE, has been developed and produced by Southeast University and Sanle Electronic Group. Before being utilized in China's first parabolic trough solar plant, accurately estimating the thermal properties of this new receiver is important. This paper first establishes and optimizes a 1-D theoretical model at Matlab program to compute the receiver's major heat loss through glass envelope, and then systematically analyzes the major influence factors of heat loss. With the laboratorial steady state test stand, the heat losses of both good vacuum and non-vacuum Sanle-3 receivers were surveyed. Comparison shows the original 1-D model agrees with the ends covered test while remarkably deviating from end exposed test. For the purpose of identifying the influence of receiver's end to total heat loss, an additional 3-D model is built by CFD software to further investigate the different heat transfer processes of receiver's end components. The 3-D end model is verified by heating power and IR temperature distribution images in the test. Combining the optimized 1-D model with the new 3-D end model, the comparison with test data shows a good accordance. At the same time the heat loss curve and emittance curve of this new receiver are given and compared with those of several other existing receivers as references. (author)
Gong, Guangjie; Huang, Xinyan; Wang, Jun; Hao, Menglong [Southeast University, Nanjing (China)
Wind loads on heliostats and parabolic dish collectors: Final subcontractor report
A major intent of this study was to define wind load reduction factors for parabolic dish solar collectors within a field protected by upwind collectors, wind protective fences, or other blockages. This information will help researchers improve the economy of parabolic collector support structures and drive mechanisms. The method used in the study was to generalize wind load data obtained during tests on model collectors placed in a modeled atmospheric wind in a boundary-layer wind tunnel. A second objective of the study was to confirm and document a sensitivity in load to level of turbulence, or gustiness, in the approaching wind. A key finding was that wind-load reduction factors for forces (horizontal and vertical) were roughly similar to those for flat heliostats, with some forces significantly less than those for flat shapes. However, load reductions for moments showed a smaller load reduction, particularly for the azimuth moment. The lack of load reduction could be attributed to collector shape, but specific flow features responsible for and methods to induce a load reduction were not explored. 62 figs., 13 tabs.
Peterka, J.A.; Tan, Z.; Bienkiewicz, B.; Cermak, J.E.
Water Use in Parabolic Trough Power Plants: Summary Results from WorleyParsons' Analyses
The National Renewable Energy Laboratory (NREL) contracted with WorleyParsons Group, Inc. to examine the effect of switching from evaporative cooling to alternative cooling systems on a nominal 100-MW parabolic trough concentrating solar power (CSP) plant. WorleyParsons analyzed 13 different cases spanning three different geographic locations (Daggett, California; Las Vegas, Nevada; and Alamosa, Colorado) to assess the performance, cost, and water use impacts of switching from wet to dry or hybrid cooling systems. NREL developed matching cases in its Solar Advisor Model (SAM) for each scenario to allow for hourly modeling and provide a comparison to the WorleyParsons results.Our findings indicate that switching from 100% wet to 100% dry cooling will result in levelized cost of electricity (LCOE) increases of approximately 3% to 8% for parabolic trough plants throughout most of the southwestern United States. In cooler, high-altitude areas like Colorado's San Luis Valley, WorleyParsons estimated the increase at only 2.5%, while SAM predicted a 4.4% difference. In all cases, the transition to dry cooling will reduce water consumption by over 90%. Utility time-of-delivery (TOD) schedules had similar impacts for wet- and dry-cooled plants, suggesting that TOD schedules have a relatively minor effect on the dry-cooling penalty.
Turchi, C. S.; Wagner, M. J.; Kutscher, C. F.
Solar reforming of methane in a direct absorption catalytic reactor on a parabolic dish
The concept of solar driven chemical reactions in a commercial-scale volumetric receiver/reactor on a parabolic concentrator was successfully demonstrated in the CAtalytically Enhanced Solar Absorption Receiver (CAESAR) test. Solar reforming of methane (CH{sub 4}) with carbon dioxide (CO{sub 2}) was achieved in a 64-cm diameter direct absorption reactor on a parabolic dish capable of 150 kW solar power. The reactor was a catalytic volumetric absorber consisting of a multi-layered, porous alumina foam disk coated with rhodium (Rh) catalyst. The system was operated during both steady-state and solar transient (cloud passage) conditions. The total solar power absorbed reached values up to 97 kW and the maximum methane conversion was 70%. Receiver thermal efficiencies ranged up to 85% and chemical efficiencies peaked at 54%. The absorber performed satisfactorily in promoting the reforming reaction during the tests without carbon formation. However, problems of cracking and degradation of the porous matrix, nonuniform dispersion of the Rh through the absorber, and catalyst deactivation due to sintering and possible encapsulation, must be resolved to achieve long-term operation and eventual commercialization. 17 refs., 11 figs., 1 tab.
Muir, J.F.; Hogan, R.E. Jr.; Skocypec, R.D. (Sandia National Labs., Albuquerque, NM (USA)); Buck, R. (Deutsche Forschungsanstalt fuer Luft- und Raumfahrt e.V. (DLR), Stuttgart (Germany, F.R.). Inst. fuer Technische Thermodynamik)
Museum Culture in the Anglo-American Atlantic World, c. 1750-1815
that fostered social mingling between classes. Furthermore, these museums altered their audience�s perceptions of their many worlds, including the natural world, their own culture and national identity, and the world of the �others� that existed outside...
Myers, Sherry
Self-averaging in time reversal for the parabolic wave equation Guillaume Bal George Papanicolaou y Leonid Ryzhik z
is the solution of a transport equation. 1 Introduction In time-reversal experiments a signal emitted, in the regimes of random geometrical optics and radiative transfer (transport), was studied in [2, 3]. We also in the radiative transfer regime using the parabolic wave equation, when the waves interact fully with the random
Bal, Guillaume
Around the World byprivatejet
AngkorWat, Cambodia Petra or Wadi Rum, Jordan engeti Plain or rongoro Crater, Tanzania The Great Barrier cities of the ancient world at Petra, or explore the lunar-like landscape of Wadi Rum. Cambodia india
Liu, Taosheng
Two-dimensional and three-dimensional Coulomb clusters in parabolic traps
We consider the shell structure of Coulomb clusters in an axially symmetric parabolic trap exhibiting a confining potential U{sub c}(?,z)=(m?{sup 2}/2)(?{sup 2}+?z{sup 2}). Assuming an anisotropic parameter ??=?4 (corresponding to experiments employing a cusp magnetic trap under microgravity conditions), we have calculated cluster configurations for particle numbers N?=?3 to 30. We have shown that clusters with N???12 initially remain flat, transitioning to three-dimensional configurations as N increases. For N?=?8, we have calculated the configurations of minimal potential energy for all values of ? and found the points of configuration transitions. For N?=?13 and 23, we discuss the influence of both the shielding and anisotropic parameter on potential energy, cluster size, and shell structure.
D'yachkov, L. G., E-mail: email@example.com; Myasnikov, M. I., E-mail: email@example.com [Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow 125412 (Russian Federation); Petrov, O. F. [Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow 125412 (Russian Federation); Moscow Institute of Physics and Technology (State University), Dolgoprudny 141700, Moscow Region (Russian Federation); Center for Astrophysics, Space Physics, and Engineering Research (CASPER), Baylor University, Waco, Texas 76798-7310 (United States); Hyde, T. W.; Kong, J.; Matthews, L. [Center for Astrophysics, Space Physics, and Engineering Research (CASPER), Baylor University, Waco, Texas 76798-7310 (United States)
Current and Future Costs for Parabolic Trough and Power Tower Systems in the US Market: Preprint
NREL's Solar Advisor Model (SAM) is employed to estimate the current and future costs for parabolic trough and molten salt power towers in the US market. Future troughs are assumed to achieve higher field temperatures via the successful deployment of low melting-point, molten-salt heat transfer fluids by 2015-2020. Similarly, it is assumed that molten salt power towers are successfully deployed at 100MW scale over the same time period, increasing to 200MW by 2025. The levelized cost of electricity for both technologies is predicted to drop below 11 cents/kWh (assuming a 10% investment tax credit and other financial inputs outlined in the paper), making the technologies competitive in the marketplace as benchmarked by the California MPR. Both technologies can be deployed with large amounts of thermal energy storage, yielding capacity factors as high as 65% while maintaining an optimum LCOE.
Turchi, C.; Mehos, M.; Ho, C. K.; Kolb, G. J.
Current and future costs for parabolic trough and power tower systems in the US market.
Turchi, Craig (National Renewable Energy Laboratory, Golden, CO); Kolb, Gregory J.; Mehos, Mark Steven (National Renewable Energy Laboratory, Golden, CO); Ho, Clifford Kuofei
Utility-Scale Parabolic Trough Solar Systems: Performance Acceptance Test Guidelines, April 2009 - December 2010
Prior to commercial operation, large solar systems in utility-size power plants need to pass a performance acceptance test conducted by the engineering, procurement, and construction (EPC) contractor or owners. In lieu of the present absence of ASME or other international test codes developed for this purpose, the National Renewable Energy Laboratory has undertaken the development of interim guidelines to provide recommendations for test procedures that can yield results of a high level of accuracy consistent with good engineering knowledge and practice. The Guidelines contained here are specifically written for parabolic trough collector systems with a heat-transport system using a high-temperature synthetic oil, but the basic principles are relevant to other CSP systems.
Kearney, D.
Study of degenerate parabolic system modeling the hydrogen displacement in a nuclear waste repository
Our goal is the mathematical analysis of a two phase (liquid and gas) two components (water and hydrogen) system modeling the hydrogen displacement in a storage site for radioactive waste. We suppose that the water is only in the liquid phase and is incompressible. The hydrogen in the gas phase is supposed compressible and could be dissolved into the water with the Henry's law. The flow is described by the conservation of the mass of each components. The model is treated without simplified assumptions on the gas density. This model is degenerated due to vanishing terms. We establish an existence result for the nonlinear degenerate parabolic system based on new energy estimate on pressures.
Caro, Florian; Saad, Mazen
LCA (Life Cycle Assessment) of Parabolic Trough CSP: Materials Inventory and Embodied GHG Emissions from Two-Tank Indirect and Thermocline Thermal Storage (Presentation)
In the United States, concentrating solar power (CSP) is one of the most promising renewable energy (RE) technologies for reduction of electric sector greenhouse gas (GHG) emissions and for rapid capacity expansion. It is also one of the most price-competitive RE technologies, thanks in large measure to decades of field experience and consistent improvements in design. One of the key design features that makes CSP more attractive than many other RE technologies, like solar photovoltaics and wind, is the potential for including relatively low-cost and efficient thermal energy storage (TES), which can smooth the daily fluctuation of electricity production and extend its duration into the evening peak hours or longer. Because operational environmental burdens are typically small for RE technologies, life cycle assessment (LCA) is recognized as the most appropriate analytical approach for determining their environmental impacts of these technologies, including CSP. An LCA accounts for impacts from all stages in the development, operation, and decommissioning of a CSP plant, including such upstream stages as the extraction of raw materials used in system components, manufacturing of those components, and construction of the plant. The National Renewable Energy Laboratory (NREL) is undertaking an LCA of modern CSP plants, starting with those of parabolic trough design.
Heath, G.; Burkhardt, J.; Turchi, C.; Decker, T.; Kutscher, C.
Meals included in Conference Registrations
Meals included in Conference Registrations Meals included as part of the cost of a conference the most reasonable rates are obtained. Deluxe hotels and motels should be avoided. GSA rates have been for Georgia high cost areas. 75% of these amounts would be $21 for non- high cost areas and $27 for high cost
Arnold, Jonathan
Classification of multifluid CP world models
Various classification schemes exist for homogeneous and isotropic (CP) world models, which include pressureless matter (so-called dust) and Einstein's cosmological constant Lambda. We here classify the solutions of more general world models consisting of up to four non-interacting fluids, each with pressure P, energy density epsilon and an equation of state P = (gamma - 1) epsilon with 0 0) tends to yield the smoothest fits of the Supernova Ia data from Perlmutter et al. (1999). Adopting the SN Ia constraints, exotic negative energy density components can be fittingly included only if the universe consists of four or more fluids.
Jens Thomas; Hartmut Schulz
better world Scientists and
hazardous waste, control air pollution and promote environmental health. Because these fields are complex, environmental, mathematical and physical sciences. And Oregon State University is a great place to start building that experience. Here, you can study with world-renowned faculty, participate in groundbreaking
Escher, Christine
Sponsorship includes: Agriculture in the
Sponsorship includes: · Agriculture in the Classroom · Douglas County Farm Bureau · Gifford Farm · University of Nebraska Agricultural Research and Development Center · University of Nebraska- Lincoln Awareness Coalition is to help youth, primarily from urban communities, become aware of agriculture
Nebraska-Lincoln, University of
-growing economies in other parts of the world, there is a growing demand for practical, sustainable building designs as the broader architectural design and construction processes. Likely careers of graduates are in the building1 GRADUATE STUDIES IN BUILDING TECHNOLOGY AN INTERDISCIPLINARY PROGRAM INCLUDING DEPARTMENT
Reif, Rafael
Flux-difference split parabolized Navier-Stokes algorithm for non-equilibrium chemically reacting flows
A flux-difference split explicit finite-difference algorithm is presented for solving the parabolized form of the equations governing three-dimensional nonequilibrium chemically reacting flows. The algorithm is based on an explicit noniterative, upwind space-marching scheme developed by Korte, but differs in that the unsteady Riemann problem, rather than the steady Riemann problem, is solved. The algorithm allows either a second or an approximately third-order accurate upwind treatment of the convection terms by employing the unsteady approximate Riemann solver of Roe. The source terms of the species transport equations are treated in either an explicit or implicit manner, and the species diffusion terms are modeled with either a Fickian or a multicomponent model. A validation of the algorithm is performed by comparing computational results with the 2-D Mach 14, 15 degree compression-corner data of Holden. The three-dimensional capability of the algorithm is demonstrated by computing Mach 2.7 flow over a swept wedge scramjet fuel injector, and three-dimensional reacting flow capability is demonstrated by a computing a shock-jet interaction concept for mixing and combustion enhancement. 34 refs.
White, J.A.; Korte, J.J.; Gaffney, R.L. Jr. (Analytical Services and Materials, Inc., Hampton, VA (United States) NASA, Langley Research Center, Hampton, VA (United States))
Development of Performance Acceptance Test Guidelines for Large Commercial Parabolic Trough Solar Fields: Preprint
Prior to commercial operation, large solar systems in utility-size power plants need to pass a performance acceptance test conducted by the EPC contractor or owners. In lieu of the present absence of engineering code developed for this purpose, NREL has undertaken the development of interim guidelines to provide recommendations for test procedures that can yield results of a high level of accuracy consistent with good engineering knowledge and practice. The fundamental differences between acceptance of a solar power plant and a conventional fossil-fired plant are the transient nature of the energy source and the necessity to utilize an analytical performance model in the acceptance process. These factors bring into play the need to establish methods to measure steady state performance, potential impacts of transient processes, comparison to performance model results, and the possible requirement to test, or model, multi-day performance within the scope of the acceptance test procedure. The power block and BOP are not within the boundaries of this guideline. The current guideline is restricted to the solar thermal performance of parabolic trough systems and has been critiqued by a broad range of stakeholders in CSP development and technology.
Kearney, D.; Mehos, M.
Research Activities Web Technologies Web Technologies include procedures that are used in order
Research Activities Web Technologies Web Technologies include procedures that are used in order to enhance the services that are offered by the World Wide Web. They include both services that can be presented directly to the users of the World Wide Web and services that are transparent to the end user
Bouras, Christos
Third World Ballistic missiles
Ballistic missiles and other means of long-range destruction, traditionally limited to a handful of industrialized nations, are fast becoming a fixture in many regional conflicts. The Third World military buildup is perhaps even more worrisome than its First World prototype, for it is far more likely to find expression in war. There are several reasons why this should be so. In the past decade the number of countries in the missile club has more than doubled, to 18. Many of the new members have been at war or are embroiled in disputes. Unlike the major powers, these countries have not had time enough to perfect systems of command and control over their new strategic forces. They have had little time to learn to manage the complexities of military brinksmanship. Finally, because many regional conflicts overlap, an escalation in the arms race tends to convey itself from one area of tension to another. For many years the big industrialized countries ignored the proliferation of ballistic missiles and sought political advantage by arming their clients. In doing so, they presumed that the bipolar alignment of power would restrain regional conflicts. The preoccupation with East-West issues overshadowed problems in the Third World. Smaller industrialized powers sold missiles to generate revenues to support their own military industries. Meanwhile the developing countries eagerly acquired missiles for the same reasons that had motivated their predecessors: to deter attack, intimidate enemies, build a technological base and win prestige.
Nolan, J.E.; Wheelon, A.D.
World Biodiesel Markets The Outlook to 2010
World Biodiesel Markets The Outlook to 2010 A special study from F.O. Licht and Agra CEAS This important new study provides a detailed analysis of the global biodiesel market and the outlook for growth, including the regulatory and trade framework, feedstock supply and price developments, biodiesel production
GEAR Tech-21 Hello World
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Farritor, Shane
WCI - World Consensus Initiative
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation Desert SouthwestTechnologies | Blandine Jerome VelenciaNews CareersStand by:VolunteerWorld
GEAR Tech-21 Hello World 1 Established Goals Activity Outline Activity Timeline Equipment Needs and predictions that are based on data. At a Glance #12;GEAR Tech-21 Hello World 2 Key Knowledge and Skills;GEAR Tech-21 Hello World 3 Before the Session You must complete this activity before working with your
3X compound parabolic concentrating (CPC) solar energy collector. Final technical report
Chamberlain engineers designed a 3X compound parabolic concentrating (CPC) collector for the subject contract. The collector is a completely housed, 105.75 x 44.75 x 10.23-inch, 240-pound unit with six each evacuated receiver assemblies, a center manifold and a one-piece glass cover. A truncated version of a CPC trough reflector system and the General Electric Company tubular evacuated receiver have been integrated with a mass producible collector design suitable for operation at 250 to 450/sup 0/F. The key criterion for optimization of the design was minimization of the cost per Btu collected annually at an operating temperature of 400/sup 0/F. The reflector is a 4.1X design truncated to a total height of 8.0 inches with a resulting actual concentration ratio of 2.6 to 1. The manifold is an insulated area housing the fluid lines which connect the six receivers in series with inlet and outlet tubes extending from one side of the collector at the center. The reflectors are polished, anodized aluminum which are shaped by the roll form process. The housing is painted, galvanized steel, and the cover glass is 3/16-inch thick tempered, low iron glass. The collector requires four slope adjustments per year for optimum effectiveness. Chamberlain produced ten 3X CPC collectors for the subject contract. Two collectors were used to evaluate assembly procedures, six were sent to the project officer in Albuquerque, New Mexico, one was sent to Argonne National Laboratory for performance testing and one remained with the Company. A manufacturing cost study was conducted to estimate limited mass production costs, explore cost reduction ideas and define tooling requirements. The final effort discussed shows the preliminary design for application of a 3X CPC solar collector system for use in the Iowa State Capitol complex.
Ballheim, R.W.
World Biofuels Study
This report forms part of a project entitled 'World Biofuels Study'. The objective is to study world biofuel markets and to examine the possible contribution that biofuel imports could make to help meet the Renewable Fuel Standard (RFS) of the Energy Independence and Security Act of 2007 (EISA). The study was sponsored by the Biomass Program of the Assistant Secretary for Energy Efficiency and Renewable Energy (EERE), U.S. Department of Energy. It is a collaborative effort among the Office of Policy and International Affairs (PI), Department of Energy and Oak Ridge National Laboratory (ORNL), National Renewable Energy Laboratory (NREL) and Brookhaven National Laboratory (BNL). The project consisted of three main components: (1) Assessment of the resource potential for biofuel feedstocks such as sugarcane, grains, soybean, palm oil and lignocellulosic crops and development of supply curves (ORNL). (2) Assessment of the cost and performance of biofuel production technologies (NREL). (3) Scenario-based analysis of world biofuel markets using the ETP global energy model with data developed in the first parts of the study (BNL). This report covers the modeling and analysis part of the project conducted by BNL in cooperation with PI. The Energy Technology Perspectives (ETP) energy system model was used as the analytical tool for this study. ETP is a 15 region global model designed using the MARKAL framework. MARKAL-based models are partial equilibrium models that incorporate a description of the physical energy system and provide a bottom-up approach to study the entire energy system. ETP was updated for this study with biomass resource data and biofuel production technology cost and performance data developed by ORNL and NREL under Tasks 1 and 2 of this project. Many countries around the world are embarking on ambitious biofuel policies through renewable fuel standards and economic incentives. As a result, the global biofuel demand is expected to grow very rapidly over the next two decades, provided policymakers stay the course with their policy goals. This project relied on a scenario-based analysis to study global biofuel markets. Scenarios were designed to evaluate the impact of different policy proposals and market conditions. World biofuel supply for selected scenarios is shown in Figure 1. The reference case total biofuel production increases from 12 billion gallons of ethanol equivalent in 2005 to 54 billion gallons in 2020 and 83 billion gallons in 2030. The scenarios analyzed show volumes ranging from 46 to 64 billion gallons in 2020, and from about 72 to about 100 billion gallons in 2030. The highest production worldwide occurs in the scenario with high feedstock availability combined with high oil prices and more rapid improvements in cellulosic biofuel conversion technologies. The lowest global production is found in the scenario with low feedstock availability, low oil prices and slower technology progress.
World nuclear outlook 1995
As part of the EIA program to provide energy information, this analysis report presents the current status and projections through 2015 of nuclear capacity, generation, and fuel cycle requirements for all countries in the world using nuclear power to generate electricity for commercial use. It also contains information and forecasts of developments in the uranium market. Long-term projections of US nuclear capacity, generation, and spent fuel discharges for two different scenarios through 2040 are developed for the Department of Energy`s Office of Civilian Radioactive Waste Management (OCRWM). In turn, the OCRWM provides partial funding for preparation of this report. The projections of uranium requirements are provided to the Organization for Economic Cooperation and Development (OECD) for preparation of the Nuclear Energy Agency/OECD report, Summary of Nuclear Power and Fuel Cycle Data in OECD Member Countries.
World nuclear outlook 1994
As part of the EIA program to provide energy information, this analysis report presents the current status and projections through 2010 of nuclear capacity, generation, and fuel cycle requirements for all countries in the world using nuclear power to generate electricity for commercial use. It also contains information and forecasts of developments in the uranium market. Long-term projections of US nuclear capacity, generation, and spent fuel discharges for three different scenarios through 2040 are developed for the Department of Energy`s Office of Civilian Radioactive Waste Management (OCRWM). In turn, the OCRWM provides partial funding for preparation of this report. The projections of uranium requirements are provided to the Organization for Economic Cooperation and Development (OECD) for preparation of the Nuclear Energy Agency/OECD report, Summary of Nuclear Power and Fuel Cycle Data in OECD Member Countries.
Building a World of Difference
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Physics World Archive Topological insulators
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RECORD OF SERVICE SECOND WORLD WAR THE UNIVERSITY OF BRITISH COLUMBIA VANCOUVER #12;IN MEMORIAM #12$,T'r 113a,. #12;#12;RECORD OF SERVICE IN THE SECOND WORLD WAR THEUNIVERSITY OF BRITISHCOLUMBIA A Supplement to the University of British Columbia War Memorial Manuscript Record. Vancouver, Canada, 1955. #12;Printed
Handy, Todd C.
EIA model documentation: World oil refining logistics demand model,``WORLD`` reference manual. Version 1.1
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488 Brazilian Journal of Physics, vol. 36, no. 2A, June, 2006 Spin Valve Effect and Hall Resistance in a Wide Parabolic Well
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Gusev, Guennady
Efficient directional spontaneous emission from an InGaAs/InP heterostructure with an integral parabolic reflector
In order to increase the radiative efficiency and directivity of spontaneous emission from a lattice-matched InGaAs/InP heterostructure, we have polished the substrate into a parabolic reflector. We combine optical and thermal measurements to obtain the absolute external efficiency over a wide range of carrier densities. Using a simple model, the measurement is used to determine interface, radiative, and Auger recombination rates in the active material. At the optimal density, the quantum efficiency exceeds 60{percent} at room temperature. The divergence of the emitted light is less than 20{degree}. In fact, the beam profile is dominated by a 6{degree} wide lobe that can be swept across the field of emission by changing the excitation position. This suggests a way to create an all-electronic scanned light beam. {copyright} {ital 1998 American Institute of Physics.}
Gfroerer, T.H.; Cornell, E.A. [JILA, National Institute of Standards and Technology and University of Colorado, and Department of Physics, University of Colorado, Boulder, Colorado, 80309-0440 (United States)] [JILA, National Institute of Standards and Technology and University of Colorado, and Department of Physics, University of Colorado, Boulder, Colorado, 80309-0440 (United States); Wanlass, M.W. [National Renewable Energy Laboratory, Golden, Colorado, 80401 (United States)] [National Renewable Energy Laboratory, Golden, Colorado, 80401 (United States)
Electromagnetic modeling of the energy distribution of a metallic cylindrical parabolic reflector covered with a magnetized plasma layer
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Niknam, A. R., E-mail: email@example.com; Khajehmirzaei, M. R. [Laser and Plasma Research Institute, Shahid Beheshti University, GC, Tehran (Iran, Islamic Republic of); Davoudi-Rahaghi, B.; Rahmani, Z.; Jazi, B.; Abdoli-Arani, A. [Department of Laser and Photonics, Faculty of Physics, University of Kashan, Kashan (Iran, Islamic Republic of)
Figure 4. World Oil Prices
U.S. Energy Information Administration (EIA) Indexed Site
4. World Oil Prices" " (2007 dollars per barrel)" ,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024,2025,2026,2027,2028,2029,2030...
Entrepreneurial ecosystems around the world
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At Work in The World
history of one particular smelter, I also suggest that muchdeveloping world. Few lead smelters were less seen by theAlice Hamilton visited smelters in Arizona and Missouri, she
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The world price of coal
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Ellerman, A. Denny
Prices include compostable serviceware and linen tablecloths
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World energy: Building a sustainable future
As the 20th century draws to a close, both individual countries and the world community face challenging problems related to the supply and use energy. These include local and regional environmental impacts, the prospect of global climate and sea level change associated with the greenhouse effect, and threats to international relations in connection with oil supply or nuclear proliferation. For developing countries, the financial cost of providing energy to provide basic needs and fuel economic development pose an additional burden. To assess the magnitude of future problems and the potential effectiveness of response strategies, it is important to understand how and why energy use has changed in the post and where it is heading. This requires study of the activities for which energy is used, and of how people and technology interact to provide the energy services that are desired. The authors and their colleagues have analyzed trends in energy use by sector for most of the world`s major energy-consuming countries. The approach we use considers three key elements in each sector: the level of activity, structural change, and energy intensity, which expresses the amount of energy used for various activities. At a disaggregated level, energy intensity is indicative of energy efficiency. But other factors besides technical efficiency also shape intensity.
Schipper, L.; Meyers, S.
Accelerating Materials Discovery With World's Largest Database...
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World-Systems as Dynamic Networks
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Tore Bruland Building World Event
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World Oil: Market or Mayhem?
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SOFTWAREENGINEERING The World Wide Web
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Whitehead, James
3D World Building System
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ScienceCinema (OSTI)
The world`s first commercial iron carbide plant
The paper traces the development of Nucor`s investigation of clean iron unit processes, namely, direct reduction, and the decision to build and operate the world`s first commercial iron carbide plant. They first investigated coal based processes since the US has abundant coal reserves, but found a variety of reasons for dropping the coal-based processes from further consideration. A natural gas based process was selected, but the failure to find economically priced gas supplies stopped the development of a US based venture. It was later found that Trinidad had economically priced and abundant supplies of natural gas, and the system of government, the use of English language, and geographic location were also ideal. The cost estimates required modification of the design, but the plant was begun in April, 1993. Start-up problems with the plant are also discussed. Production should commence shortly.
Prichard, L.C.; Schad, D.
Test of the adequacy of using smoothly joined parabolic segments to parametrize the multihumped fission barriers in actinides
The adequacy of using smoothly joined parabolic segments to parametrize the multihumped fission barriers has been tested by examining its simultaneous consistency with the three relevant fission observables, namely, the near-barrier fission cross sections, isomeric half-lives, and the ground-state spontaneous fission half-lives of a wide variety of a total of 25 actinide nuclides. The penetrabilities through such multihumped fission barriers have been calculated in the Wentzel-Kramers-Brillouin approximation, and the various fission half-lives have been determined using the formalism given earlier by Nix and Walker. The results of our systematic analysis of these actinide nuclides suggest that such a parametrization is quite adequate at least for the even-even nuclei, as it reproduces satisfactorily their various observed fission characteristics. Major difficulties remain, however, for the odd mass and for the doubly odd nuclei where the calculated ground-state spontaneous fission half-lives are found to be several orders of magnitude larger than those measured. Possible reasons for such discrepancies are discussed. Fission branching ratios of the decay of the shape isomers in various actinide nuclides have also been calculated and are compared with their measured values.
Bhandari, B.S. (Department of Physics, Faculty of Science, University of Garyounis, Benghazi (Libya))
Thermal Properties of a Particle Confined to a Parabolic Quantum Well in 2D Space with Conical Disclination
The thermal properties of a system, comprising of a spinless non-interacting charged particle in the presence of a constant external magnetic field and confined in a parabolic quantum well are studied. The focus has been on the effects of a topological defect, of the form of conical disclination, with regard to the thermodynamic properties of the system. We have obtained the modifications to the traditional Landau-Fock-Darwin spectrum in the presence of conical disclination. The effect of the conical kink on the degeneracy structure of the energy levels is investigated. The canonical formalism is used to compute various thermodynamic variables. The study shows an interplay between magnetic field, temperature and the degree of conicity by setting two scales for temperature corresponding to the frequency of the confining potential and the cyclotron frequency of external magnetic field. The kink parameter is found to affect the quantitative behaviour of the thermodynamic quantities. It plays a crucial role in the competition between the external magnetic field and temperature in fixing the values of the thermal response functions. This study provides an important motivation for studying similar systems, however with non trivial interactions in the presence of topological defects.
Tridev Mishra; Tapomoy Guha Sarkar; Jayendra N. Bandyopadhyay
Life Cycle Assessment of a Parabolic Trough Concentrating Solar Power Plant and Impacts of Key Design Alternatives: Preprint
Climate change and water scarcity are important issues for today's power sector. To inform capacity expansion decisions, hybrid life cycle assessment is used to evaluate a reference design of a parabolic trough concentrating solar power (CSP) facility located in Daggett, California, along four sustainability metrics: life cycle greenhouse gas (GHG) emissions, water consumption, cumulative energy demand (CED), and energy payback time (EPBT). This wet-cooled, 103 MW plant utilizes mined nitrate salts in its two-tank, thermal energy storage (TES) system. Design alternatives of dry-cooling, a thermocline TES, and synthetically-derived nitrate salt are evaluated. During its life cycle, the reference CSP plant is estimated to emit 26 g CO2eq per kWh, consume 4.7 L/kWh of water, and demand 0.40 MJeq/kWh of energy, resulting in an EPBT of approximately 1 year. The dry-cooled alternative is estimated to reduce life cycle water consumption by 77% but increase life cycle GHG emissions and CED by 8%. Synthetic nitrate salts may increase life cycle GHG emissions by 52% compared to mined. Switching from two-tank to thermocline TES configuration reduces life cycle GHG emissions, most significantly for plants using synthetically-derived nitrate salts. CSP can significantly reduce GHG emissions compared to fossil-fueled generation; however, dry-cooling may be required in many locations to minimize water consumption.
Heath, G. A.; Burkhardt, J. J.; Turchi, C. S.
Net Taxable Gasoline Gallons (Including Aviation Gasoline)
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Hawaii energy strategy project 2: Fossil energy review. Task 1: World and regional fossil energy dynamics
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Breazeale, K. [ed.; Isaak, D.T.; Yamaguchi, N.; Fridley, D.; Johnson, C.; Long, S.
IT Complexity Revolution: Intelligent Tools for the Globalised World Development
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Boyer, Edmond
First-time comprehensive list compiles world's petrochemical catalysts
This paper presents compilation of catalysts used in petrochemical and related processes. This is the result of an extensive survey of the world's catalyst manufacturers and suppliers and covers catalysts for the production of olefins and aromatics derivatives, aromatics themselves, and synthesis gas components. More than 300 catalysts from 18 different suppliers are included in the report.
Corbett, R.A.
As the 20th century draws to a close, both individual countries and the world community face challenging problems related to the supply and use energy. These include local and regional environmental impacts, the prospect of global climate and sea level change associated with the greenhouse effect, and threats to international relations in connection with oil supply or nuclear proliferation. For developing countries, the financial cost of providing energy to provide basic needs and fuel economic development pose an additional burden. To assess the magnitude of future problems and the potential effectiveness of response strategies, it is important to understand how and why energy use has changed in the post and where it is heading. This requires study of the activities for which energy is used, and of how people and technology interact to provide the energy services that are desired. The authors and their colleagues have analyzed trends in energy use by sector for most of the world's major energy-consuming countries. The approach we use considers three key elements in each sector: the level of activity, structural change, and energy intensity, which expresses the amount of energy used for various activities. At a disaggregated level, energy intensity is indicative of energy efficiency. But other factors besides technical efficiency also shape intensity.
Degradation of parabolic-cylindrical solar collector performance: receiver misalignments and tracking inaccuracies
Studies were conducted to determine the performance of a 2-m, 90/sup 0/ E-W oriented solar reflector trough and a receiver assembly consisting of a receiver tube surrounded by a concentric outer glass envelope. Three receiver tube diameters (2.223, 2.54, and 3.175 cm o.d. tubes) were analyzed subject to a variety of collector errors including receiver misalignments and tracking bias, to assess the detrimental effects of these problems. Of the possible problems considered, it was shown that a misalignment of the receiver assembly above the focal plane is most critical, since the absorbed solar fluxes are concentrated near the base of the tube, leading to possible ''hot spots.'' In addition, as a result of this work, it was shown that the intermediate receiver tube size (2.54 cm o.d.) should be used with the 2-m reflector trough, so long as small errors and misalignments are expected.
Ratzel, A.C.
EE Regional Technology Roadmap Includes comparison
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Mohtadi, Rana F; Wicks, George G; Heung, Leung K; Nakamura, Kenji
A material for the storage and release of gases comprises a plurality of hollow elements, each hollow element comprising a porous wall enclosing an interior cavity, the interior cavity including structures of a solid-state storage material. In particular examples, the storage material is a hydrogen storage material such as a solid state hydride. An improved method for forming such materials includes the solution diffusion of a storage material solution through a porous wall of a hollow element into an interior cavity.
Next Generation Lunch: Revealing the World�s First 3D Printed Car (text version)
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Reducing the Cost of Thermal Energy Storage for Parabolic Trough Solar Power Plants
Thermal energy storage systems using phase change materials were evaluated for trough systems that use oil, steam, and high temperature salts as heat transfer fluids. A variety of eutectic salts and metal alloys were considered as phase change materials in a cascaded arrangement. Literature values of specific heat, latent heat, density, and other thermophysical properties were used in initial analyses. Testing laboratories were contracted to measure properties for candidate materials for comparison to the literature and for updating the models. A TRNSYS model from Phase 1 was further developed for optimizing the system, including a novel control algorithm. A concept for increasing the bulk thermal conductivity of the phase change system was developed using expanded metal sheets. Outside companies were contracted to design and cost systems using platecoil heat exchangers immersed in the phase change material. Laboratory evaluations of the one-dimensional and three-dimensional behavior of expanded metal sheets in a low conductivity medium were used to optimize the amount of thermal conductivity enhancement. The thermal energy storage systems were compared to baseline conventional systems. The best phase change system found in this project, which was for the high temperature plant, had a projected cost of $25.2 per kWhth, The best system also had a cost that was similar to the base case, a direct two-tank molten salt system.
Gawlik, Keith
New Constraints on Carribean Plate Tectonic Evolution Caribbean Basins included in the series Sedimentary Basins of the World, 4 Elsevier
North America-Africa and South America-Africa finite rotations North America-South America finite rotations North America-South America plate motions in the Caribbean are Discussion Lesser Antilles to Mid satellite altimetry to compute North America-South America plate motions and their uncertainties. Our
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Scramjet including integrated inlet and combustor
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Kutschenreuter, P.H. Jr.; Blanton, J.C.
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Vertebrates are animals with a backbone and include mammals, birds and fishes. Considering
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Digital Arts The digital arts major offers coursework on a range of topics including
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Stockpile (NDS) and increases in stocks held by U.S. industry. No U.S. tungsten mine production was reported reported in 2001. Salient U.S. tungsten statistics and world tungsten concentrate production for 2003TUNGSTEN--2003 79.1 1 References that include a section mark (�) are found in the Internet
The visualization of data and the user-interface in the Auto-ID World
This thesis proposes a framework for user interface (UI) design in the Auto-ID world. The thesis includes the examination of issues related to visualizing data to the user from a top-down perspective in the Auto-ID World. ...
Chandrasekhar, Chaitra
Subterranean barriers including at least one weld
A subterranean barrier and method for forming same are disclosed, the barrier including a plurality of casing strings wherein at least one casing string of the plurality of casing strings may be affixed to at least another adjacent casing string of the plurality of casing strings through at least one weld, at least one adhesive joint, or both. A method and system for nondestructively inspecting a subterranean barrier is disclosed. For instance, a radiographic signal may be emitted from within a casing string toward an adjacent casing string and the radiographic signal may be detected from within the adjacent casing string. A method of repairing a barrier including removing at least a portion of a casing string and welding a repair element within the casing string is disclosed. A method of selectively heating at least one casing string forming at least a portion of a subterranean barrier is disclosed.
Nickelson, Reva A.; Sloan, Paul A.; Richardson, John G.; Walsh, Stephanie; Kostelnik, Kevin M.
Completion strategy includes clay and precipitate control
This article describes the conditions which are necessary for a successful oil well completion in the Mississippi and Cherokee zones of South Central Kansas. Topics considered include paraffin precipitation, clay swelling and migration, and iron precipitation. Clays in these zones are sensitive to water-base treating fluids and tend to swell and migrate to the well bore, thereby causing permeability damage. The presence of iron in the Mississippi and Cherokee formations has been indicated by cuttings, core samples, and connate water samples.
Sandy, T.; Gardner, G.R.
Power generation method including membrane separation
A method for generating electric power, such as at, or close to, natural gas fields. The method includes conditioning natural gas containing C.sub.3+ hydrocarbons and/or acid gas by means of a membrane separation step. This step creates a leaner, sweeter, drier gas, which is then used as combustion fuel to run a turbine, which is in turn used for power generation.
Lokhandwala, Kaaeid A. (Union City, CA)
Rotor assembly including superconducting magnetic coil
Superconducting coils and methods of manufacture include a superconductor tape wound concentrically about and disposed along an axis of the coil to define an opening having a dimension which gradually decreases, in the direction along the axis, from a first end to a second end of the coil. Each turn of the superconductor tape has a broad surface maintained substantially parallel to the axis of the coil.
Snitchler, Gregory L. (Shrewsbury, MA); Gamble, Bruce B. (Wellesley, MA); Voccio, John P. (Somerville, MA)
Nuclear reactor shield including magnesium oxide
An improvement in nuclear reactor shielding of a type used in reactor applications involving significant amounts of fast neutron flux, the reactor shielding including means providing structural support, neutron moderator material, neutron absorber material and other components as described below, wherein at least a portion of the neutron moderator material is magnesium in the form of magnesium oxide either alone or in combination with other moderator materials such as graphite and iron.
Rouse, Carl A. (Del Mar, CA); Simnad, Massoud T. (La Jolla, CA)
Electric power monthly, September 1990. [Glossary included
The purpose of this report is to provide energy decision makers with accurate and timely information that may be used in forming various perspectives on electric issues. The power plants considered include coal, petroleum, natural gas, hydroelectric, and nuclear power plants. Data are presented for power generation, fuel consumption, fuel receipts and cost, sales of electricity, and unusual occurrences at power plants. Data are compared at the national, Census division, and state levels. 4 figs., 52 tabs. (CK)
This paper constructs a comprehensive dataset of oil and total energy embedded in world trade of manufacturing goods for 73 countries from 1978 to 2000. Applying the data to debates on the dependency on foreign energy sources makes clear that achieving complete energy independence in the foreseeable future is unlikely to be feasible and may not be desirable. Applying it to the discussion of environmental Kuznets curves (EKCs) highlights an important distinction between production and consumption of energy. Richer countries use relatively less energy in their industrial production yet still consume relatively large amounts of energy indirectly. A further investigation largely excludes structural shifts of production in and out of the manufacturing sector as an explanation for the downward-sloping portion of the EKC. Country-level analyses add caveats but show tentative support for the cross-country conclusions.
Gernot Wagner
Stellar models in Brane Worlds
We consider here a full study of stellar dynamics from the brane-world point of view in the case of constant density and of a polytropic fluid. We start our study cataloguing the minimal requirements to obtain a compact object with a Schwarszchild exterior, highlighting the low and high energy limit, the boundary conditions, and the appropriate behavior of Weyl contributions inside and outside of the star. Under the previous requirements we show an extensive study of stellar behavior, starting with stars of constant density and its extended cases with the presence of nonlocal contributions. Finally, we focus our attention to more realistic stars with a polytropic equation of state, specially in the case of white dwarfs, and study their static configurations numerically. One of the main results is that the inclusion of the Weyl functions from braneworld models allow the existence of more compact configurations than within General Relativity.
Linares, Francisco X; Ure�a-Lopez, L Arturo
Nexant Parabolic Trough Solar Power Plant Systems Analysis; Task 1: Preferred Plant Size, 20 January 2005 - 31 December 2005
The Rankine cycles for commercial parabolic trough solar projects range in capacity from 13.5 MWe at the Solar Electric Generating Station I (SEGS I) plant, to a maximum of 89 MWe at the SEGS VIII/IX plants. The series of SEGS projects showed a consistent reduction in the levelized energy cost due to a combination of improvements in collector field technology and economies of scale in both the Rankine cycle and the operation and maintenance costs. Nonetheless, the question of the optimum Rankine cycle capacity remains an open issue. The capacities of the SEGS VIII/IX plants were limited by Federal Energy Regulatory Commission and Public Utility Regulatory Policy Act requirements to a maximum net output of 80 MWe. Further improvements in the Rankine cycle efficiency, and economies of scale in both the capital and the operating cost, should be available at larger plant sizes. An analysis was conducted to determine the effect of Rankine cycle capacities greater than 80 MWe on the levelized energy cost. The study was conducted through the following steps: (1) Three gross cycle capacities of 88 MWe, 165 MWe, and 220 MWe were selected. (2) Three Rankine cycle models were developed using the GateCycle program. The models were based on single reheat turbine cycles, with main steam conditions of 1,450 lb{sub f}/in{sup 2} and 703 F, and reheat steam conditions of 239 lb{sub f}/in{sup 2} and 703 F. The feedwater heater system consisted of 5 closed heaters and 1 open deaerating heater. The design condenser pressure was 2.5 in. HgA. (3) The optimization function within Excelergy was used to determine the preferred solar multiple for each plant. Two cases were considered for each plant: (a) a solar-only project without thermal storage, and (b) a solar-fossil hybrid project, with 3 hours of thermal storage and a heat transport fluid heater fired by natural gas. (4) For each of the 6 cases, collector field geometries, heat transport fluid pressure losses, and heat transport pump power requirements were calculated with a field piping optimization model. (5) Annual electric energy outputs, capital costs, and annual operating costs were calculated for each case using the default methods within Excelergy, from which estimates of the levelized energy costs were developed. The plant with the lowest energy cost was considered the optimum.
World Best Practice Energy Intensity Values for Selected Industrial Sectors
world best practice energy intensity values for productionWorld best practice energy intensity values for productionWorld Best Practice Final Energy Intensity Values for Aluminium Production (
Worrell, Ernst; Price, Lynn; Neelis, Maarten; Galitsky, Christina; Zhou, Nan
World nuclear fuel cycle requirements 1990
This analysis report presents the projected requirements for uranium concentrate and uranium enrichment services to fuel the nuclear power plants expected to be operating under three nuclear supply scenarios. Two of these scenarios, the Lower Reference and Upper Reference cases, apply to the United States, Canada, Europe, the Far East, and other countries with free market economies (FME countries). A No New Orders scenario is presented only for the United States. These nuclear supply scenarios are described in Commercial Nuclear Power 1990: Prospects for the United States and the World (DOE/EIA-0438(90)). This report contains an analysis of the sensitivities of the nuclear fuel cycle projections to different levels and types of projected nuclear capacity, different enrichment tails assays, higher and lower capacity factors, changes in nuclear fuel burnup levels, and other exogenous assumptions. The projections for the United States generally extend through the year 2020, and the FME projections, which include the United States, are provided through 2010. The report also presents annual projections of spent nuclear fuel discharges and inventories of spent fuel. Appendix D includes domestic spent fuel projections through the year 2030 for the Lower and Upper Reference cases and through 2040, the last year in which spent fuel is discharged, for the No New Orders case. These disaggregated projections are provided at the request of the Department of Energy's Office of Civilian Radioactive Waste Management.
Numerical study of hydrogen-air supersonic combustion by using elliptic and parabolized equations. Progress report, 1 December 1985-31 May 1986
The two-dimensional Navier-Stokes and species continuity equations are used to investigate supersonic chemically reacting flow problems which are related to scramjet-engine configurations. A global two-step finite-rate chemistry model is employed to represent the hydrogen-air combustion in the flow. An algebraic turbulent model is adopted for turbulent flow calculations. The explicit unsplit MacCormack finite-difference algorithm is used to develop a computer program suitable for a vector processing computer. The computer program developed is then used to integrate the system of the governing equations in time until convergence is attained. The chemistry source terms in the species continuity equations are evaluated implicitly to alleviate stiffness associated with fast chemical reactions. The problems solved by the elliptic code are re-investigated by using a set of two-dimensional parabolized Navier-Stokes and species equations. A linearized fully-coupled fully-implicit finite difference algorithm is used to develop a second computer code which solves the governing equations by marching in spce rather than time, resulting in a considerable saving in computer resources. Results obtained by using the parabolized formulation are compared with the results obtained by using the fully-elliptic equations. The comparisons indicate fairly good agreement of the results of the two formulations.
Chitsomboon, T.; Tiwari, S.N.
Gamma Bang Time/Reaction History Diagnostics for the National Ignition Facility (NIF) Using 90-degree Off-axis Parabolic Mirrors
Gas Cherenkov detectors (GCD) have been used to convert fusion gamma into photons to achieve gamma bang time (GBT) and reaction history measurements. The GCD designed for Omega used Cassegrain reflector optics in order to fit inside a ten-inch manipulator. A novel design for the National Ignition Facility (NIF) using 90� Off-Axis Parabolic (OAP) mirrors will increase light collection efficiency from fusion gammas and achieve minimum time dispersion. The broadband Cherenkov light (from 200 to 800 nm) is relayed into a high-speed detector using three parabolic mirrors. Because light is collected from many source planes throughout the CO2 gas volume, the detector is positioned at the stop position rather than an image position. The stop diameter and its position are independent of the light-generation location along the gas cell. The current design collects light from a 100-mm diameter by 500-mm-long gas volume. Optical ray tracings demonstrate how light can be collected from different angled trajectories of the Compton electrons as they fly through the CO2 gas volume. A cluster of four channels will allow for increased dynamic range as well as different gamma energy threshold sensitivities. 52.70.La, 29.40.Ka, 42.15.Eq, 07.60.-j, 07.85.-m
H.W. Herrmann, R.M. Malone, W. Stoeffl, J.M. Mack, C.S. Young
Parabolic Signorini Problem
Page 59 ... Teorem (Monotonicity of truncated frequency). Let v ? Sf . en for any ? > there exists C = C(fL? , ?) > such that r. ?(r,v) = re. Cr? d dr log max?Br v , r.
Arshak Petrosyan
Optical panel system including stackable waveguides
An optical panel system including stackable waveguides is provided. The optical panel system displays a projected light image and comprises a plurality of planar optical waveguides in a stacked state. The optical panel system further comprises a support system that aligns and supports the waveguides in the stacked state. In one embodiment, the support system comprises at least one rod, wherein each waveguide contains at least one hole, and wherein each rod is positioned through a corresponding hole in each waveguide. In another embodiment, the support system comprises at least two opposing edge structures having the waveguides positioned therebetween, wherein each opposing edge structure contains a mating surface, wherein opposite edges of each waveguide contain mating surfaces which are complementary to the mating surfaces of the opposing edge structures, and wherein each mating surface of the opposing edge structures engages a corresponding complementary mating surface of the opposite edges of each waveguide.
DeSanto, Leonard (Dunkirk, MD); Veligdan, James T. (Manorville, NY)
Thermovoltaic semiconductor device including a plasma filter
A thermovoltaic energy conversion device and related method for converting thermal energy into an electrical potential. An interference filter is provided on a semiconductor thermovoltaic cell to pre-filter black body radiation. The semiconductor thermovoltaic cell includes a P/N junction supported on a substrate which converts incident thermal energy below the semiconductor junction band gap into electrical potential. The semiconductor substrate is doped to provide a plasma filter which reflects back energy having a wavelength which is above the band gap and which is ineffectively filtered by the interference filter, through the P/N junction to the source of radiation thereby avoiding parasitic absorption of the unusable portion of the thermal radiation energy.
Baldasaro, Paul F. (Clifton Park, NY)
Critical point anomalies include expansion shock waves
From first-principle fluid dynamics, complemented by a rigorous state equation accounting for critical anomalies, we discovered that expansion shock waves may occur in the vicinity of the liquid-vapor critical point in the two-phase region. Due to universality of near-critical thermodynamics, the result is valid for any common pure fluid in which molecular interactions are only short-range, namely, for so-called 3-dimensional Ising-like systems, and under the assumption of thermodynamic equilibrium. In addition to rarefaction shock waves, diverse non-classical effects are admissible, including composite compressive shock-fan-shock waves, due to the change of sign of the fundamental derivative of gasdynamics.
Nannan, N. R., E-mail: firstname.lastname@example.com [Mechanical Engineering Discipline, Anton de Kom University of Suriname, Leysweg 86, PO Box 9212, Paramaribo, Suriname and Process and Energy Department, Delft University of Technology, Leeghwaterstraat 44, 2628 CA Delft (Netherlands); Guardone, A., E-mail: firstname.lastname@example.com [Department of Aerospace Science and Technology, Politecnico di Milano, Via La Masa 34, 20156 Milano (Italy); Colonna, P., E-mail: firstname.lastname@example.com [Propulsion and Power, Delft University of Technology, Kluyverweg 1, 2629 HS Delft (Netherlands)
DeSanto, Leonard; Veligdan, James T.
World electric power plants database
This global database provides records for 104,000 generating units in over 220 countries. These units include installed and projected facilities, central stations and distributed plants operated by utilities, independent power companies and commercial and self-generators. Each record includes information on: geographic location and operating company; technology, fuel and boiler; generator manufacturers; steam conditions; unit capacity and age; turbine/engine; architect/engineer and constructor; and pollution control equipment. The database is issued quarterly.
Geothermal California: California Claims the World's Highest...
Open Energy Info (EERE)
the World's Highest Geothermal Power Output with Potential for Even More Production With Advanced Techniques Jump to: navigation, search OpenEI Reference LibraryAdd to library...
Parallel Processing Letters World Scientific Publishing Company
Parallel Processing Letters © World Scientific Publishing Company THE OPERATIONS DASHBOARD essential operational services, it is imperative that grid administrators can troubleshoot the problems
Miller, Russ
Neutrino telescopes in the World
Neutrino astronomy has rapidly developed these last years, being the only way to get specific and reliable information about astrophysical objects still poorly understood.Currently two neutrino telescopes are operational in the World: BAIKAL, in the lake of the same name in Siberia, and AMANDA, in the ices of the South Pole. Two telescopes of the same type are under construction in the Mediterranean Sea: ANTARES and NESTOR. All these telescopes belong to a first generation, with an instrumented volume smaller or equal to 0.02 km3. Also in the Mediterranean Sea, the NEMO project is just in its stag phase, within the framework of a cubic kilometer size neutrino telescope study. Lastly, the ICECUBE detector, with a volume reaching about 1 km3, is under construction on the site of AMANDA experiment, while an extension of the BAIKAL detector toward km3 is under study. We will present here the characteristics of these experiments, as well as the results of their observations.
Ernenwein, J.-P. [GRPHE, Universite de Haute Alsace, 61 rue Albert Camus, 68093 Mulhouse cedex (France)
Models of Procyon A including seismic constraints
Detailed models of Procyon A based on new asteroseismic measurements by Eggenberger et al (2004) have been computed using the Geneva evolution code including shellular rotation and atomic diffusion. By combining all non-asteroseismic observables now available for Procyon A with these seismological data, we find that the observed mean large spacing of 55.5 +- 0.5 uHz favours a mass of 1.497 M_sol for Procyon A. We also determine the following global parameters of Procyon A: an age of t=1.72 +- 0.30 Gyr, an initial helium mass fraction Y_i=0.290 +- 0.010, a nearly solar initial metallicity (Z/X)_i=0.0234 +- 0.0015 and a mixing-length parameter alpha=1.75 +- 0.40. Moreover, we show that the effects of rotation on the inner structure of the star may be revealed by asteroseismic observations if frequencies can be determined with a high precision. Existing seismological data of Procyon A are unfortunately not accurate enough to really test these differences in the input physics of our models.
P. Eggenberger; F. Carrier; F. Bouchy
Technology Entrepreneurship Program Real-world practice with real-world technologies
Technology Entrepreneurship Program Real-world practice with real-world technologies What it's all about Pacific Northwest National Laboratory's (PNNL) Technology Entrepreneurship Program (TEP) provides university students with access to PNNL-developed available technologies. Laboratory staff work
Rapid world modeling: Fitting range data to geometric primitives
For the past seven years, Sandia National Laboratories has been active in the development of robotic systems to help remediate DOE`s waste sites and decommissioned facilities. Some of these facilities have high levels of radioactivity which prevent manual clean-up. Tele-operated and autonomous robotic systems have been envisioned as the only suitable means of removing the radioactive elements. World modeling is defined as the process of creating a numerical geometric model of a real world environment or workspace. This model is often used in robotics to plan robot motions which perform a task while avoiding obstacles. In many applications where the world model does not exist ahead of time, structured lighting, laser range finders, and even acoustical sensors have been used to create three dimensional maps of the environment. These maps consist of thousands of range points which are difficult to handle and interpret. This paper presents a least squares technique for fitting range data to planar and quadric surfaces, including cylinders and ellipsoids. Once fit to these primitive surfaces, the amount of data associated with a surface is greatly reduced up to three orders of magnitude, thus allowing for more rapid handling and analysis of world data.
Feddema, J.; Little, C.
World copper smelter sulfur balance-1988
In 1989, the US Bureau of Mines initiated a contract to gather engineering, operating, and environmental cost data for 1988 for 30 major foreign primary copper smelters in market economy countries. Data were collected for 29 of the designated smelters together with information on applicable environmental regulations. Materials balance data obtained were used with available data for the eight US smelters to determine the approximate extent of copper smelter sulfur emission control in 1988. A broad characterization of the status of sulfur emission control regulation was made. The 37 US and foreign smelters represented roughly 73.2% of world and 89.3% of market economy primary copper production in 1988. The 29 non-US smelters attained 55.3% control of their input sulfur in 1988. Combined with the 90.4% control of US smelters, an aggregate 63.4% sulfur control existed. Roughly 1,951,100 mt of sulfur was emitted from the 37 market economy smelters in 1988. Identifiable SO[sub 2] control regulations covered 72.4% of the 29 foreign smelters, representing 65.5% of smelting capacity. Including US smelters, 78.4% of the major market economy smelters were regulated, representing 73.1% of smelting capacity. Significant changes since 1988 that may increase sulfur emission control are noted.
Towle, S.W. (Bureau of Mines, Denver, CO (United States))
Connecting the world's electrical grids
This article examines the technology available for transmission of bulk power over long distances for global energy networks. The topics of the article include former Soviet Union technology in HVAC systems, Brazil's HVDC link, Italy's multiterminal HVDC systems, the Quebec to New England multiterminal HVDC link, improvements in thyristors for more controllable AC systems using thyristor controlled series compensators, and continued thyristor development.
Valenti, M.
The Brave New World of Buckytubes
In a talk titled "The Brave New World of Buckytubes," Smalley discusses the basic science underlying the exotic chemical and physical properties, as well as the methods of production, purification, analysis, and assembly of buckytubes for solving real-world technological problems.
Richard Smalley
HISTORY 483 THE FIRST WORLD WAR Summer 2012 Saturday 9:00 � 14:30 ST139 Instructor: Paul Ramsey By far the most significant event of the twentieth century the legacy of the First World War continues, military, social, and economic spheres of the war � and the concept of `total war'. Students
Habib, Ayman
Decentralized Probabilistic World Modeling with Cooperative Sensing
the multimodal sensing capabilities of modern personal devices, such a probabilistic world model can in the form of personal devices such as advanced mobile phones. Indeed, on a world-wide scale, the number of mobile phones now exceeds the number of more traditional computing devices such as PCs. These personal
Hand, Steven
The Biosphere: Anthropogenic Impact Biosphere: World's Ecosystems
: Abiotic, Biotic Components Energy, Nutrient Flux Ecological Diversity, Genetic Information #12;The;Land Transformation: Uncontested Levels 50% World's Land Surface Converted to Grazing or Crop Cultivation ½ World's Forests Converted 17% of Land Area Not Human-Transformed Primary Force Driving Loss
Caraco, Thomas
Stability of critical bubble in stretched fluid of square-gradient density-functional model with triple-parabolic free energy
The square-gradient density-functional model with triple-parabolic free energy, that was used previously to study the homogeneous bubble nucleation [J. Chem. Phys. 129, 104508 (2008)], is used to study the stability of the critical bubble nucleated within the bulk under-saturated stretched fluid. The stability of the bubble is studied by solving the Schr\\"odinger equation for the fluctuation. The negative eigenvalue corresponds to the unstable growing mode of the fluctuation. Our results show that there is only one negative eigenvalue whose eigenfunction represents the fluctuation that corresponds to the isotropically growing or shrinking nucleus. In particular, this negative eigenvalue survives up to the spinodal point. Therefore the critical bubble is not fractal or ramified near the spinodal.
Masao Iwamatsu; Yutaka Okabe
The Dynamics of Brane-World Cosmological Models
Brane-world cosmology is motivated by recent developments in string/M-theory and offers a new perspective on the hierarchy problem. In the brane-world scenario, our Universe is a four-dimensional subspace or {\\em brane} embedded in a higher-dimensional {\\em bulk} spacetime. Ordinary matter fields are confined to the brane while the gravitational field can also propagate in the bulk, leading to modifications of Einstein's theory of general relativity at high energies. In particular, the Randall-Sundrum-type models are self-consistent and simple and allow for an investigation of the essential non-linear gravitational dynamics. The governing field equations induced on the brane differ from the general relativistic equations in that there are nonlocal effects from the free gravitational field in the bulk, transmitted via the projection of the bulk Weyl tensor, and the local quadratic energy-momentum corrections, which are significant in the high-energy regime close to the initial singularity. In this review we discuss the asymptotic dynamical evolution of spatially homogeneous brane-world cosmological models containing both a perfect fluid and a scalar field close to the initial singularity. Using dynamical systems techniques it is found that, for models with a physically relevant equation of state, an isotropic singularity is a past-attractor in all orthogonal spatially homogeneous models (including Bianchi type IX models). In addition, we describe the dynamics in a class of inhomogeneous brane-world models, and show that these models also have an isotropic initial singularity. These results provide support for the conjecture that typically the initial cosmological singularity is isotropic in brane-world cosmology.
A. A. Coley
Africa gaining importance in world LPG trade
Major LPG projects planned or under way in Africa will increase the importance of that region`s presence in world LPG trade. Supplies will nearly double between 1995 and 2005, at which time they will remain steady for at least 10 years. At the same time that exports are leveling, however, increasing domestic demand for PG is likely to reduce export-market participation by Algeria, Nigeria, Egypt, and Libya. The growth of Africa`s participation in world LPG supply is reflected in comparisons for the next 15--20 years. Total world supply of LPG in 1995 was about 165 million metric tons (tonnes), of which Africans share was 7.8 million tonnes. By 2000, world supply will grow to slightly more than 200 million tonnes, with Africa`s share expected to increase to 13.2 million tonnes (6.6%). And by 2005, world LPG supply will reach nearly 230 million tonnes; Africa`s overall supply volumes by that year will be nearly 16.2 million tonnes (7%). World LPG supply for export in 1995 was on order of 44 million tonnes with Africa supply about 4 million tonnes (9%). By 2005, world export volumes of LPG will reach nearly 70 million tonnes; Africa`s share will have grown by nearly 10 million tonnes (14.3%).
Haun, R.R. [Purvin and Gertz Inc., Dallas, TX (United States); Otto, K.W.; Whitley, S.C. [Purvin and Gertz Inc., Houston, TX (United States)
Changing patterns of world energy consumption
The substantial increases in oil prices since 1973 have had tremendous impacts on world energy, and particularly on oil consumption. These impacts have varied across regions and energy types. As shown in a table, from 1960 through 1973 the real price of internationally traded crude oil, as measured in constant US dollars, changed very little. In this stable oil price environment, Free World energy consumption grew at 5.3% per year and oil use rose at 7.5% per year, increasing its share of Free World energy consumption from 43 to 56%. 6 tables.
Todd, S.H.
Composites World 2013 | ornl.gov
CW 2013 Oct 25 2013 12:00 AM - 04:00 PM Composites World - Carbon Fiber Knoxville, Tennessee Crowne Plaza Knoxville 401 W. Summit Hill Dr., Knoxville, TN 37902 CONTACT : Email:...
MARTIN PROSPERITY INSTITUTE is the world's leading
, Social Innovation CANADA'S ANSWERS TO THE WORLD'S QUESTIONS WHY U OF T FOR SOCIAL INNOVATION? U of T: working together at the cutting edge of social innovation. Interdisciplinary research that improves
Sokolowski, Marla
Crowdfunding's Potential for the Developing World
? While I am happy for innovative entrepreneurs in Silicon Valley, I am passionately focused on helping Rise of the Rest" globally What would the world look like if there were Silicon Valleys everywhere
Sekhon, Jasjeet S.
Bell Inequality and Many-Worlds Interpretation
It is argued that the lesson we should learn from Bell's inequalities is not that quantum mechanics requires some kind of action at a distance, but that it leads us to believe in parallel worlds.
Lev Vaidman
Ireland's Global University MSc World Heritage Conservation
for conservation · Cultural heritage, sustainable development and diversity · Global biodiversity and heritageIreland's Global University MSc World Heritage Conservation (Three Years Part Time) (Online facing conservation challenges, there is a growing need for professionals who understand how
Improving the world through engineering OPPORTUNITY?
themes of Energy, Environment, Education and Transport and its vision of `Improving the world through-melted. However, for many other types of waste, recovering its value to provide electricity, heat and/or transport
Columbia University
World Class Boilers and Steam Distribution System
WORLD CLASS BOILERS AND STEAM DISTRIBUTION SYSTEM Vernon P. Portell, Ph.D. Manager Armstrong Service, Inc. ABSTRACT categorizing, measuring, and comparing subjects which are of interest to us is the way we identify the "World class" is a... of information can also be obtained through an independent firm that provides third-party assessment of steam systems. One of these third parties, Armstrong Energy Certification, Inc., has used data gleaned from decades of industrial experience...
Portell, V. P.
Managing Risk in a Dynamic World Economy
Managing Risk in a Dynamic World Economy Harold M. Harris, Jr., Geoffery A. Benson and Parr Rosson* U.S. agriculture has undergone dramatic change in the 1990s. New trade poli- cies under NAFTA and GATT opened markets previously closed to some U... major force in world trade, but some other Asian powerhouses fal- tered. Biotechnology offered early promise of new products and production meth- ods. Industry structure changed, with major growth in vertical integration, coordi- nation...
Harris, Harold M.; Benson, Geoffrey A.; Rosson, C. Parr
Carbon dioxide Information Analysis Center and World Data Center: A for Atmospheric trace gases. Annual progress report, FY 1994
This report summarizes the activities and accomplishments made by the Carbon Dioxide Information Analysis Center and World Data Center-A for Atmospheric Trace Gases during the fiscal year 1994. Topics discussed in this report include; organization and staff, user services, systems, communications, Collaborative efforts with China, networking, ocean data and activities of the World Data Center-A.
Burtis, M.D. [comp.] [Tennessee Univ., Knoxville, TN (United States). Energy, Environment and Resources Center; Cushman, R.M.; Boden, T.A.; Jones, S.B.; Nelson, T.R.; Stoss, F.W. [Oak Ridge National Lab., TN (United States)
Agua Caliente, World's Largest Solar Photovoltaic Plant, Helps...
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New world, New Worlds: Visual Analysis of Pre-Columbian Pictorial Collections.
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Odobez, Jean-Marc
Information GRID in the Corporate World Information GRID in the Corporate World
Information GRID in the Corporate World Information GRID in the Corporate World .Bogonikolos Zeus Ontology Grid) project, an EU project funded under the Information Society Technologies programme and EAI Tools is discussed. The COG (Corporate Ontology Grid) project addresses the problem of accessing
Markets during world oil supply crises: an analysis of industry, consumer, and governmental response
An analysis of the response of American markets to supply crises in world oil markets is presented. It addresses four main issues: the efficiency of the operation of American oil markets during oil supply crises; the problems of both economic efficiency and social equity which arise during the American adaptation process; the propriety of the Federal government's past policy responses to these problems; and the relationship between perceptions of the problems caused by world oil crises and the real economic natures of these problems. Specifically, Chapter 1 presents a theoretical discussion of the effects of a world supply disruption on the price level and supply availability of the world market oil to any consuming country including the US Chapter 2 provides a theoretical and empirical analysis of the efficiency of the adaptations of US oil product markets to higher world oil prices. Chapter 3 examines the responses of various groups of US oil firms to the alterations observed in world markets, while Chapter 4 presents a theoretical explanation for the price-lagging behavior exhibited by firms in the US oil industry. Chapter 5 addresses the nature of both real and imagined oil market problems in the US during periods of world oil market transition. (MCW)
Erfle, Stephen; Pound, John; Kalt, Joseph
Emergent Universe in Brane World Scenario
A model of an emergent universe is obtained in brane world. Here the bulk energy is in the form of cosmological constant, while the brane consists of the Chaplygin gas with the modified equation of state such as $p=A\\rho-B/\\rho$. Initially the brane matter for the special choice $A=1/3$ may have negative or positive pressure depending on the relative magnitudes of the parameter $B$ and the cosmological constant of the bulk, while asymptotically in future the brane world approaches a $\\Lambda$CDM model.
Asit Banerjee; Tanwi Bandyopadhyay; Subenoy Chakraborty
The World of Dark Shadows Issue 31
The World 01 llltfiK ~llltDaW~ 31 ~. 1 ~ I � ~ I ..\\ I I �~ J \\ .. ~ ! 1(18" !! ~ \\ 1 \\ U ;: 0 ~ I ' c " o'q~~\\ '0 l ~~ ", 9 I I r I - I ~ ( -;,� ~l~ ~ . I ( ~"'"VW" " ) J!. d,.", .'\\ _C]~I ~ ~ ~ /';".!.t ~0-. THE WORLD OF DARK... ............ 60 Jayne Largent ........ 19. 36 Chri s Nokes .......... 13 Kathi Swan ........... 68 Val Verse .... .. .. .. .. 29. 37 Photos used on page 38 - upper left corner - Maria Barbosa lower 1eft corner - Ma rcy Robi n Pages 39 and 42. courtesy...
Multiple Contributors
Tao Probing the End of the World
We introduce a new IIB 5-brane description for the E-string theory which is the world-volume theory on M5-brane probing the end of the world M9-brane. The E- string in the new realization is depicted as spiral 5-branes web equipped with the cyclic structure which is a key to uplifting to 6 dimensions. Utilizing the topological vertex to the 5-brane web configuration enables us to write down a combinatorial formula for the generating function of the E-string elliptic genera, namely the full partition function of topological strings on local 1/2 K3 surface.
Sung-Soo Kim; Masato Taki; Futoshi Yagi
Einstein: His Impact on Accelerators; His Impact on theWorld
The impact of the work of Albert Einstein on accelerator physics is described. Because of the limit of time, and also because the audience knows the details, the impact is described in broad strokes. Nevertheless, it is seen how his work has affected many different aspects of accelerator physics. In the second half of the talk, Albert Einstein's impact on the world will be discussed; namely his work on world peace (including his role as a pacifist, in the atomic bomb, and in arms control) and his efforts as a humanitarian (including his efforts on social justice, anti-racism, and civil rights).
Sessler, A.
Critical cavity in the stretched fluid studied using square-gradient density-functional model with triple-parabolic free energy
The generic square-gradient density-functional model with triple-parabolic free energy is used to study the stability of a cavity introduced into the stretched liquid. The various properties of the critical cavity, which is the largest stable cavity within the liquid, are compared with those of the critical bubble of the homogeneous bubble nucleation. It is found that the size of the critical cavity is always smaller than that of the critical bubble, while the work of formation of the former is always higher than the latter in accordance with the conjectures made by Punnathanam and Corti [J. Chem. Phys. {\\bf 119}, 10224 (2003)] deduced from the Lennard-Jones fluids. Therefore their conjectures about the critical cavity size and the work of formation would be more general and valid even for other types of liquid such as metallic liquid or amorphous. However, the scaling relations they found for the critical cavity in the Lennard-Jones fluid are marginally satisfied only near the spinodal.
Masao Iwamatsu
Testing thermocline filler materials and molten-salt heat transfer fluids for thermal energy storage systems used in parabolic trough solar power plants.
Parabolic trough power systems that utilize concentrated solar energy to generate electricity are a proven technology. Industry and laboratory research efforts are now focusing on integration of thermal energy storage as a viable means to enhance dispatchability of concentrated solar energy. One option to significantly reduce costs is to use thermocline storage systems, low-cost filler materials as the primary thermal storage medium, and molten nitrate salts as the direct heat transfer fluid. Prior thermocline evaluations and thermal cycling tests at the Sandia National Laboratories' National Solar Thermal Test Facility identified quartzite rock and silica sand as potential filler materials. An expanded series of isothermal and thermal cycling experiments were planned and implemented to extend those studies in order to demonstrate the durability of these filler materials in molten nitrate salts over a range of operating temperatures for extended timeframes. Upon test completion, careful analyses of filler material samples, as well as the molten salt, were conducted to assess long-term durability and degradation mechanisms in these test conditions. Analysis results demonstrate that the quartzite rock and silica sand appear able to withstand the molten salt environment quite well. No significant deterioration that would impact the performance or operability of a thermocline thermal energy storage system was evident. Therefore, additional studies of the thermocline concept can continue armed with confidence that appropriate filler materials have been identified for the intended application.
Kelly, Michael James; Hlava, Paul Frank; Brosseau, Douglas A.
Parallel Processing Letters fc World Scientific Publishing Company
World Scientific Publishing Company http://ejournals.wspc.com.sg/ppl/ppl.shtml SCHEDULING AND MANAGEMENT
Calheiros, Rodrigo N.
World Wide Web Internet and Web Information Systems
1 23 World Wide Web Internet and Web Information Systems ISSN 1386-145X World Wide Web DOI 10's request, provided it is not made publicly available until 12 months after publication. #12;World Wide Web worlds. Its detection is a typical use case of the broad-based Wisdom Web of Things (W2T) methodology
Cao, Longbing
Collaborative Approach World-Class Facilities
.5 million from the Department of Energy, along with additional funds from New York State, for an EnergyWCMC Collaborative Approach World-Class Facilities Research at Cornell /A Statistical Excerpt York 08 Funding Cornell's Research 09 Expending Research Dollars 10 Funding Graduate Education 12
Chen, Tsuhan
Earth Sciences Take on the world
Earth Sciences Take on the world Career paths Earth Sciences graduate Gerard Bird. Careers Coastal engineer Environmental consultant Earth scientist Engineering geologist Environmental Email: email@example.com Visit: www.earth.waikato.ac.nz earth sCienCes Surrounded by diverse
Waikato, University of
in a twin screw extruder using a 2 mm die at 190 rpm, and a 3 mm die at 348 rpm. Analyses of the extrudatesJOURNAL OF THE WORLD AQUACULTURE SOCIETY Vol. 41, No. S1 February, 2010 Twin Screw Extrusion, soybean oil, vitamin and mineral mix). The blends were moisture balanced to 15% db, then extruded
Lens x block : World as construction kit
Purpose and meaning of the physical world can be re-assigned and re-made by individuals as they go rather than being pre-fixed by people who came before them. But this mindset is more rare than it should be if we want an ...
Silver, Jay (Jay Saul)
Materials that Power Our World Nanostructured Carbon
application #12;Strong Earnings Potential � Positive outlook for energy and electronics � Proprietary Cnano-c 1 Materials that Power Our World Nanostructured Carbon 22nd NREL Growth Forum (modified presentation) #12;Nanostructured Carbon Mission critical component in advanced energy & electronic devices 2
College of Engineering WORLD-CLASS ENGINEERING
College of Engineering WORLD-CLASS ENGINEERING in Learning, Discovery and Engagement 2014-2019 STRATEGY #12;College of Engineering PREAMBLE The College of Engineering at Penn State is a leading academy, research enterprise and service to the global engineering community. Innovation is a hallmark of Penn State
Maroncelli, Mark
Carbon Smackdown: Cookstoves for the developing world
In this June 30, 2010 Berkeley Lab summer lecture, learn how efficient cookstoves for the developing world ? from Darfur to Ethiopia and beyond ? are reducing carbon dioxide emissions, saving forests, and improving health. Berkeley Lab's Ashok Gadgil, Kayje Booker, and Adam Rausch discuss why they got started in this great challenge and what's next.
Ashok Gadgil, Kayje Booker, and Adam Rausch
PAVING THE WAY TO A SMARTER WORLD: CREATIVITY IN ENGINEERING EDUCATION SANTOSH KURINEC Department of Microelectronic Engineering Kate Gleason College of Engineering Rochester Institute of Technology WEDNESDAY, MARCH 28 3:00 4:30 P.M. CAMPUS CENTER ATRIUM Imagination and creativity have long energized technological
Bieber, Michael
The World of Youthful Drug Use
they meet the fact that the use of drugs is illegal and exposes them to arrest and criminal prosecution. It was obvious that such kinds of information could be secured: only from the youths who were themselves in the drug using world. We could not rely on a...
Blumer, Herbert; Sutter, Alan; Smith, Roger; Ahmed, Samir
Spallation Neutron Sources Around the World
Spallation Neutron Sources Around the World Bernie Riemer Thanks to others for the many shamelessly Laboratory #12;2 Managed by UT-Battelle for the U.S. Department of Energy Spallation Neutron Source Facilities Spallation Neutron Source Facilities Serve Neutron Science Programs · Neutron beams to suites
McDonald, Kirk
The British Empire and the Natural World
and the Orient, this book will interest scholars, students and teachers of ecological and environmental history-23573738 email: firstname.lastname@example.com CHENNAI Oxford House, 289 Anna Salai, Chennai 600006 Ph: 044-28112107; Fax. About the Book The British empire marked an exceptional ecological moment in world history. Between 1600
Sussex, University of
World Volume Action for Fractional Branes
We study the world volume action of fractional Dp-branes of type IIA string theory compactified on the orbifold T^4/Z_2. The geometric relation between these branes and wrapped branes is investigated using conformal techniques. In particular we examine in detail various scattering amplitudes and find that the leading low-energy interactions are consistent with the boundary action derived geometrically.
Merlatti, P
P. Merlatti; G. Sabella
[Article 1 of 7: Motivates and Includes the Consumer
and include the consumer exist. Some examples include advanced two-way metering (AMI), demand response (DR), and distributed energy resources (DER). A common misconception is...
Validating agent based models through virtual worlds.
As the US continues its vigilance against distributed, embedded threats, understanding the political and social structure of these groups becomes paramount for predicting and dis- rupting their attacks. Agent-based models (ABMs) serve as a powerful tool to study these groups. While the popularity of social network tools (e.g., Facebook, Twitter) has provided extensive communication data, there is a lack of ne-grained behavioral data with which to inform and validate existing ABMs. Virtual worlds, in particular massively multiplayer online games (MMOG), where large numbers of people interact within a complex environ- ment for long periods of time provide an alternative source of data. These environments provide a rich social environment where players engage in a variety of activities observed between real-world groups: collaborating and/or competing with other groups, conducting battles for scarce resources, and trading in a market economy. Strategies employed by player groups surprisingly re ect those seen in present-day con icts, where players use diplomacy or espionage as their means for accomplishing their goals. In this project, we propose to address the need for ne-grained behavioral data by acquiring and analyzing game data a commercial MMOG, referred to within this report as Game X. The goals of this research were: (1) devising toolsets for analyzing virtual world data to better inform the rules that govern a social ABM and (2) exploring how virtual worlds could serve as a source of data to validate ABMs established for analogous real-world phenomena. During this research, we studied certain patterns of group behavior to compliment social modeling e orts where a signi cant lack of detailed examples of observed phenomena exists. This report outlines our work examining group behaviors that underly what we have termed the Expression-To-Action (E2A) problem: determining the changes in social contact that lead individuals/groups to engage in a particular behavior. Results from our work indicate that virtual worlds have the potential for serving as a proxy in allocating and populating behaviors that would be used within further agent-based modeling studies.
Lakkaraju, Kiran; Whetzel, Jonathan H.; Lee, Jina [Sandia National Laboratories, Livermore, CA; Bier, Asmeret Brooke; Cardona-Rivera, Rogelio E. [North Carolina State University, Raleigh, NC; Bernstein, Jeremy Ray Rhythm [Gaikai, Inc., Aliso Viejo, CA
Influence of adhesive shear deformation on laminate structural behavior with application to parabolic trough solar collectors. [SHEAR
A simplified theory for the bending behavior of a thin flat bi-lamina panel is developed which includes the effects of shear deformation in the central adhesive layer. Static equilibrium equations for elastic thermomechanical cylindrical bending of a thin plate are used. A solution form is proposed which greatly facilitates application of this theory to structural panels with numerous discrete property changes in the variable direction. The influence of adhesive shear stiffness parameters upon overall laminate behavior is characterized through numerical examples typifying various thermal and mechanical loading conditions.
Clauss, D.B.; Reuter, R.C. Jr.
Solar system tests of brane world models
The classical tests of general relativity (perihelion precession, deflection of light, and the radar echo delay) are considered for the Dadhich, Maartens, Papadopoulos and Rezania (DMPR) solution of the spherically symmetric static vacuum field equations in brane world models. For this solution the metric in the vacuum exterior to a brane world star is similar to the Reissner-Nordstrom form of classical general relativity, with the role of the charge played by the tidal effects arising from projections of the fifth dimension. The existing observational solar system data on the perihelion shift of Mercury, on the light bending around the Sun (obtained using long-baseline radio interferometry), and ranging to Mars using the Viking lander, constrain the numerical values of the bulk tidal parameter and of the brane tension.
Christian G. Boehmer; Tiberiu Harko; Francisco S. N. Lobo
UK now claims world's top discovery rate
UK explorers are a bit more cheerful these days even though no one has discovered a giant field or anything elephant-sized. The reason is a benign tax regime and a growing confidence among industry explorers. This last has resulted in discovery of many smaller fields - particularly gas, some potentially commercial. It is claimed that the UK's discovery rate is now the highest in the world.
The Two Worlds of University Publishing
ten years ago, Jacques Barzun warned a convention of history professors that all their tinkering to improve graduate programs and courses would not raise the caliber of young historians they were training, because, as he bluntly said, "There just... rich legacy from the history and culture of the American Indians 12 Two Worlds of would have been irretrievably lost without the consistently brilliant program of the University of Oklahoma Press." Regional publishing has suffered in respectability...
Shugg, Roger W.
WORLD WIDE WEB 2.3 Web
H I2 C WORLD WIDE WEB 1996 #12; 1. 1.1 I2 Cnet 1.2 1.3 WWW 2 2.1 2.2 2.3 Web 2.4 3 O 3.1 3.2 3.3 3.4 O Web browsers. 4. 4.1 4.2 4 File System 9.6 10 A. Web browser HTT . B A #12
Markatos, Evangelos P.
Low Carbon World | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating Solar Powerstories on climateJunoMedanos Energy Center LLCUnit Agency/CompanyWorld
PV World Co Ltd | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy ResourcesLoading map...(UtilityCounty,Orleans County,PPP Equipment CorporationPV World Co Ltd Place:
World Bio Markets | Department of Energy
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: AlternativeEnvironment,InstitutesEnergyWeatherstrippingWhereNoraBacaConferencesWorld Bio
ClearWorld Now | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector GeneralDepartmentAUDITOhioOglesby,Sullivan, MissouriWebsterElectric CoopClearWorld Now Jump to:
World launch! Hot-Steam Aerostat
Info HeiDAS UH World launch! Hot-Steam Aerostat #12;"If you intend to view the land, if you plan Verne: "Fife weeks on a balloon". HeiDAS stands for Hei�?DampfAeroStat (Hot-Steam AeroStat) and it refers to the first operable balloon ever that became buoyant by means of superheated steam. The performance of Hei
Berlin,Technische Universität
Unobservable Surfing on the World Wide Web: Is Private Information Retrieval an alternative to the MIX
reasons for choosing PIR include: - Security: PIR provides perfect security (the technique itself (PIR) perfectly protects a user's access pattern to a database. An attacker cannot observe (or discuss the application of PIR on the World Wide Web and com- pare it to the MIX approach. We demonstrate
Eos, Vol. 93, No. 1, 3 January 2012 In a sustainable world, human needs
include Earth system model- ing, fresh water security, ocean acidification, sustainable energyEos, Vol. 93, No. 1, 3 January 2012 In a sustainable world, human needs would be met without their needs. Addressing the grand challenge of sustainability, the U.S. National Science Foundation (NSF) has
www.frontiersinecology.org The Ecological Society of America Global environmental change has moved our world
summarizes findings of an assessment that was the first in the US to incorporate ecosystem services moved our world into a new geological era sometimes called the Anthropocene (Crutzen 2002). Ecosystems, including habitat loss and degradation, water resource demands, toxic contam- inants, and invasive species
Ickert-Bond, Steffi
World Oil Prices and Production Trends in AEO2008 (released in AEO2008)
Reports and Publications (EIA)
Annual Energy Outlook 2008 (AEO) defines the world oil price as the price of light, low-sulfur crude oil delivered in Cushing, Oklahoma. Since 2003, both "above ground" and "below ground" factors have contributed to a sustained rise in nominal world oil prices, from $31 per barrel in 2003 to $69 per barrel in 2007. The AEO2008 reference case outlook for world oil prices is higher than in the AEO2007 reference case. The main reasons for the adoption of a higher reference case price outlook include continued significant expansion of world demand for liquids, particularly in non-OECD (Organization for Economic Cooperation and Development) countries, which include China and India; the rising costs of conventional non-OPEC (Organization of the Petroleum Exporting Countries) supply and unconventional liquids production; limited growth in non-OPEC supplies despite higher oil prices; and the inability or unwillingness of OPEC member countries to increase conventional crude oil production to levels that would be required for maintaining price stability. The Energy Information Administration will continue to monitor world oil price trends and may need to make further adjustments in future AEOs.
Biomarkers Core Lab Price List Does NOT Include
v3102014 Biomarkers Core Lab Price List Does NOT Include Kit Cost PURCHASED by INVESTIGATOR/1/2013 Page 1 of 5 #12;Biomarkers Core Lab Price List Does NOT Include Kit Cost PURCHASED by INVESTIGATOR
Grishok, Alla
Including Retro-Commissioning in Federal Energy Savings Performance Contracts
Guidance document on the importance of (and steps to) including retro-commissioning in Federal energy savings performance contracts (ESPCs).
NOAA Atlas NESDIS 72 WORLD OCEAN DATABASE 2013
NOAA Atlas NESDIS 72 WORLD OCEAN DATABASE 2013 Timothy P. Boyer, John I. Antonov, Olga K. Baranova, World Ocean Database 2013. Sydney Levitus, Ed.; Alexey Mishonov, Technical Ed.; NOAA Atlas NESDIS 72........................................................................................................... 14 1.1.1. History
REPORT from 1st Annual World Congress of BIOENERGY ,
REPORT from 1st Annual World Congress of BIOENERGY , DALIAN, CHINA Dr. Efstratios Kalogirou Earth of SYNERGIA (WTERT Greece) participated in the successful 1st Annual World Congress of BIOENERGY, held between
Besa: Muslims Who Saved Jews in World War II
Besa: Muslims Who Saved Jews in World War II The Herman P. and Sophia Taubman Foundation Endowed fleeing the Nazis. His illustrated volume, Besa: Muslims Who Saved Jews in World War II, offers a haunting
Becker, Luann
37th World Energy Engineering Congress | Department of Energy
Congress 37th World Energy Engineering Congress October 1, 2014 12:00PM EDT to October 3, 2014 9:00PM EDT Washington, DC World Energy Engineering Congress...
NOAA Atlas NESDIS 54 WORLD OCEAN ATLAS 2001
NOAA Atlas NESDIS 54 WORLD OCEAN ATLAS 2001 VOLUME 6: Chlorophyll Margarita E. Conkright Todd D. O.I. Antonov , 2002: World Ocean Atlas 2001, Volume 6: Chlorophyll. Ed. S. Levitus, NOAA Atlas NESDIS 54, U
NOAA Atlas NESDIS 49 WORLD OCEAN ATLAS 2001
NOAA Atlas NESDIS 49 WORLD OCEAN ATLAS 2001 VOLUME 1: Temperature Cathy Stephens John I. Antonov.E. Garcia, 2002: World Ocean Atlas 2001, Volume 1: Temperature. S. Levitus, Ed., NOAA Atlas NESDIS 49, U
NOAA Atlas NESDIS 50 WORLD OCEAN ATLAS 2001
NOAA Atlas NESDIS 50 WORLD OCEAN ATLAS 2001 VOLUME 2: Salinity Timothy P. Boyer Cathy Stephens John.E. Garcia, 2002: World Ocean Atlas 2001, Volume 1: Salinity. S. Levitus, Ed., NOAA Atlas NESDIS 50, U
NOAA Atlas NESDIS 53 WORLD OCEAN ATLAS 2001
NOAA Atlas NESDIS 53 WORLD OCEAN ATLAS 2001 VOLUME 5: Plankton Todd D. O'Brien Margarita E.E. Garcia, 2002: World Ocean Atlas 2001, Volume 5: Plankton. S. Levitus, Ed., NOAA Atlas NESDIS 53, U
NOAA Atlas NESDIS 52 WORLD OCEAN ATLAS 2001
NOAA Atlas NESDIS 52 WORLD OCEAN ATLAS 2001 VOLUME 4: Nutrients Margarita E. Conkright Hernan E.I. Antonov , 2002: World Ocean Atlas 2001, Volume 4: Nutrients. Ed. S. Levitus, NOAA Atlas NESDIS 52, U
NOAA Atlas NESDIS 51 WORLD OCEAN ATLAS 2001
NOAA Atlas NESDIS 51 WORLD OCEAN ATLAS 2001 VOLUME 3: Oxygen Ricardo A. Locarnini Todd D. O. Stephens, 2002: World Ocean Atlas 2001, Volume 3: Oxygen. S. Levitus, Ed., NOAA Atlas NESDIS 51, U
NERSC's Hopper is Among World's Top 10 Fastest Computers
Hopper Among World's Top 10 Fastest Computers Hopper Among World's Top 10 Fastest Computers One of only 10 Petaflops Systems Worldwide June 17, 2011 | Tags: Hopper, NERSC Linda Vu,...
The Theological Significance of Hegel's Four World-Historical Realms
The Theological Significance of Hegel's Four World-Historical Realms1 ERIC VON DER LUFT Villanova University The major problem concerning Hegel's four world- historical realms is this: How are we to view them�as categories of historical...
Von Der Luft, Eric
Renewable, Green LNG: Update on the World's Largest Landill Gass...
Renewable, Green LNG: Update on the World's Largest Landill Gass to LNG Plant Renewable, Green LNG: Update on the World's Largest Landill Gass to LNG Plant Presentation at the...
Senior DOE Officials in Spain to Participate in World Petroleum...
Senior DOE Officials in Spain to Participate in World Petroleum Congress, July 1, 2008 Senior DOE Officials in Spain to Participate in World Petroleum Congress, July 1, 2008 Senior...
Building America: Research for Real-World Results | Department...
Building America: Research for Real-World Results Building America: Research for Real-World Results December 17, 2014 3:00PM to 4:30PM EST For 20 years, the U.S. Department of...
Keeping Tabs on the World's Dangerous Chemicals | Department...
on the World's Dangerous Chemicals March 20, 2013 - 5:07pm Addthis Sandia chemical engineer Nancy Jackson has worked in laboratories around the world to help ensure that...
Toward a nuclear weapons free world?
Doubts about the wisdom of relying on nuclear weapons are as old as nuclear weapons themselves. But despite this questioning, nuclear weapons came to be seen as the indispensable element of American (indeed Western) security during the Cold War. By the 1970s and 1980s, however, discontent was growing about the intense US-Soviet nuclear arms competition, as it failed to provide any enduring improvement in security; rather, it was seen as creating ever greater risks and dangers. Arms control negotiations and limitations, adopted as a means to regulate the technical competition, may also have relieved some of the political pressures and dangers. But the balance of terror, and the fears of it, continued. The Strategic Defense Initiative (SDI) under President Reagan was a very different approach to escaping from the precarious protection of nuclear weapons, in that it sought a way to continue to defend the US and the West, but without the catastrophic risks of mutual deterrence. As such, SDI connoted unhappiness with the precarious nuclear balance and, for many, with nuclear weapons in general. The disappearance of the Warsaw Pact, the disintegration of the Soviet Union, and the sudden end of the Cold War seemed to offer a unique opportunity to fashion a new, more peaceful world order that might allow for fading away of nuclear weapons. Scholars have foreseen two different paths to a nuclear free world. The first is a fundamental improvement in the relationships between states such that nuclear weapons are no longer needed. The second path is through technological development, e.g., missile defenses which could provide effective protection against nuclear attacks. The paper discusses nuclear weapon policy in the US, views of other nuclear states, the future of nuclear weapons, and issues in a less-nuclear world.
Maaranen, S.A. [Los Alamos National Lab., NM (United States). Center for International Security Affairs
Toward a defense-dominated world
Maintaining the large-scale peace in a defense-dominated world necessarily will require not only passive but also active defenses against large-scale aggression that are technically feasible, practical and easy to employ -- and robust against perversion into support of aggression. Such peace maintenance tool-sets will feature means for effectively rebuking aggression as well as providing timely and very widely available seaming of aggression underway anywhere. This report discusses the technology base which currently exists to provide world-wide, high-quality imagery at moderate (5--10 meter) spatial resolution or imagery of 1% of the Earth`s land surface at high ({le} 1 meter) resolution no less frequently than daily, at a total cost of the order of $1 B, with operational capability in the later `90s. Such systems could provide timely warning of aggressive actions anywhere. Similarly, space-based means of defeating aggression conducted with even quite short-range ballistic missiles anywhere in the world could be brought into existence by the end of the `90s for a total cost of about $10 B, and small high-altitude, long flight-duration robotic aircraft carrying high-performance sensors and interceptor missilery could provide both seaming and active defenses against attacks conducted with very short range ballistic missiles, as well as attacks launched with air-breathing threats such as bombers and cruise missiles, for a cost per defended area of the order of $10/km{sup 2}. It appears that all of the associated sensors can find apt dual-use as high-performance systems for monitoring physical aspects of the human environment.
Wood, L.
Proceedings of the Bio-Energy '80 world congress and exposition
Many countries are moving with increasing urgency to obtain larger fractions of their energy from biomass. Over 1800 leading experts from 70 countries met on April 21 to 24 in Atlanta to conduct a World Congress and Exposition on Bio-Energy. This summary presents highlights of the Congress and thoughts stimulated by the occasion. Topics addressed include a comparison of international programs, world and country regionalism in the development of energy supplies, fuel versus food or forest products, production of ethyl alcohol, possibilities for expanded production of terrestrial vegetation and marine flora, and valuable chemicals from biomass. Separate abstracts have been prepared for 164 papers for inclusion in the Energy Data Base.
Effects of Biofuel Policies on World Food Insecurity -- A CGE Analysis
). However, the worldwide biofuel production was still very limited in 2004. Therefore, there is not any biofuel sectors represented in the GTAP7 database. The bio-energy component needs to be added when studying the biofuel-related issues (Kretschmer... and Peterson 2010). 17 Major current CGE models with bio-energy components include the MIT EPPA model (Gurgel et al. 2007, Reilly and Paltsev 2007)), DART, GREEN, USAGE (Dixon et al. 2007), WorldScan (Boeters et al. 2008, WorldScan 1999), IFPRI IMPACT...
Lu, Jiamin
Some concepts of favorability for world-class-type uranium deposits in the northeastern United States
An account is given of concepts of favorability of geologic environments in the eastern United States for uranium deposits of several major types existing elsewhere in the world. The purpose is to convey some initial ideas about the interrelationships of the geology of the eastern United States and the geologic settings of certain of these world-class deposits. The study and report include consideration of uranium deposits other than those generally manifesting the geologic, geochemical and genetic characteristics associated with the conventional sandstone-type ores of the western United States.
Adler, H.H.
America and the Misshaping of a New World Order
the World Tribunal on Iraq (WTI) held in Istanbul in Juneinternational criminal law. The WTI heard testimony from ?
Gunn, Giles; Guti�rrez-Jones, Carl
World Wide Web( WWW ) Greenberg Web
WWW 1 World Wide Web( WWW ) WWW Web Web Greenberg Web 30% [1] Web WWW Web WWW [2] [3] WWW 2 2.1 WWW Web 1 1: · 1 · 1 #12;· Web Web 2: 2 2 Web 2.2 Web Web URL URL .html / Yahoo http://headlines.yahoo.co.jp/hl?a=2 0011205-00000101-yom-soci URL onmouseover on- mouseout JavaScript 2.1 2.3 URL URL 1. Web HTML 2. 1
Shirai, Kiyoaki
SolarWorld AG | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revisionEnvReviewNonInvasiveExplorationUT-g GrantAtlas (PACA Region - France)SolarHub Jump to:SolarWorld AG Jump
WorldScan | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:SeadovCooperative JumpWilliamsonWoodson County,Worden, Montana:WorldScan Jump to:
World Resources Institute Feed | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating SolarElectric Coop,SaveWhiskey Flats Geothermal AreaarticleWood FuelHealthWorld
World Trade Organization | Open Energy Information
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating SolarElectric Coop,SaveWhiskey Flats Geothermal AreaarticleWood FuelHealthWorldTrade
SP100i Syringe Pump WORLD PRECISION INSTRUMENTS 15
SP100i Syringe Pump WORLD PRECISION INSTRUMENTS 15 INSTRUCTION MANUAL Serial No._____________________ 8/94 World Precision Instruments, Inc. SP100i Syringe Pump Digital Infusion Syringe Pump #12;SP100i Syringe Pump WORLD PRECISION INSTRUMENTS 1 Contents GENERAL DESCRIPTION
Kleinfeld, David
NOAA Atlas NESDIS 68 WORLD OCEAN ATLAS 2009
NOAA Atlas NESDIS 68 WORLD OCEAN ATLAS 2009 Volume 1: Temperature Silver Spring, MD March 2010 U. Johnson, 2010. World Ocean Atlas 2009, Volume 1: Temperature. S. Levitus, Ed., NOAA Atlas NESDIS 68, U URL: http://www.nodc.noaa.gov/ #12;NOAA Atlas NESDIS 68 WORLD OCEAN ATLAS 2009 Volume 1: Temperature
A World of Research REPORT ON RESEARCH 2007
A World of Research REPORT ON RESEARCH 2007 #12;REPORT ON RESEARCH 2007 2 TABLE OF CONTENTS Page Health 10 Engaging Student Researchers 12 Connecting with the Commonwealth 15 Impacting the World 18, the nation and the world. The Office of the Vice Provost for Research provides services in support
Nagurney, Anna
espite concern about the state of the world
#12;office of research D espite concern about the state of the world economy, the contin- ued the envy of the world. Far from stagnating, the science and engineering occurring today at our universities's recovery from World War II, U.S. university research has been at the heart of the nation's economic
Wu, Dapeng Oliver
The Future of Government Lessons Learned from around the World
i The Future of Government Lessons Learned from around the World A Discussion Paper Global Agenda and Lessons Learned Singapore: E-Government Strategy United Arab Emirates: An Evolving Holistic Approach of Government: Lessons Learned from around the World, a discussion paper elaborated by the World Economic Forum
Massachusetts at Amherst, University of
A TIME WARP IMPLEMENTATION OF SHARKS WORLD Matthew T. Presley
implementation of the Sharks World simulation, a simple simulation of sharks and fish swimming through a toroidal World is a simulation of sharks and fish swimming through a twodimensional toroidal world. When a shark and a fish are within a certain distance, the shark will eat the fish, causing the fish to disappear from
California at Los Angeles, University of
World crude output overcomes Persian Gulf disruption
Several OPEC producers made good on their promises to replace 2.7 MMbpd of oil exports that vanished from the world market after Iraq took over Kuwait. Even more incredibly, they accomplished this while a breathtaking 1.2- MMbopd reduction in Soviet output took place during the course of 1991. After Abu Dhabi, Indonesia, Iran, Libya, Nigeria, Saudi Arabia and Venezuela turned the taps wide open, their combined output rose 2.95 MMbopd. Put together with a 282,000-bopd increase by Norway and contributions from smaller producers, this enabled world oil production to remain within 400,000 bopd of its 1990 level. The 60.5-MMbopd average was off by just 0.7%. This paper reports that improvement took place in five of eight regions. Largest increases were in Western Europe and Africa. Greatest reductions occurred in Eastern Europe and the Middle East. Fifteen nations produced 1 MMbopd or more last year, compared with 17 during 1990.
Asymptotically Lifshitz brane-world black holes
We study the gravity dual of a Lifshitz field theory in the context of a RSII brane-world scenario, taking into account the effects of the extra dimension through the contribution of the electric part of the Weyl tensor. We study the thermodynamical behavior of such asymptotically Lifshitz black holes. It is shown that the entropy imposes the critical exponent z to be bounded from above. This maximum value of z corresponds to a positive infinite entropy as long as the temperature is kept positive. The stability and phase transition for different spatial topologies are also discussed. - Highlights: Black-Right-Pointing-Pointer Studying the gravity dual of a Lifshitz field theory in the context of brane-world scenario. Black-Right-Pointing-Pointer Studying the thermodynamical behavior of asymptotically Lifshitz black holes. Black-Right-Pointing-Pointer Showing that the entropy imposes the critical exponent z to be bounded from above. Black-Right-Pointing-Pointer Discussing the phase transition for different spatial topologies.
Ranjbar, Arash, E-mail: email@example.com; Sepangi, Hamid Reza, E-mail: email@example.com; Shahidi, Shahab, E-mail: email@example.com
MPI Hello World This guide tells you how to compile and run a simple MPI program on the mc cluster.
MPI Hello World This guide tells you how to compile and run a simple MPI program on the mc cluster. Copy the following program into a file named "MPI_hello.c" #include #include int main_Finalize(); } Compile the above program using the MPI compiler mpicc MPI_hello.c -o hello You can provide a list
Grama, Ananth
analysis including plasma: Topics by E-print Network
Assembly 2010 Space Plasmas in the Solar System, including Planetary Magnetospheres (D) Solar Variability, Cosmic Rays and Climate (D21) GEOMAGNETIC ACTIVITY AT HIGH-LATITUDE:...
Energy Department Expands Gas Gouging Reporting System to Include...
Washington, DC - Energy Secretary Samuel W. Bodman announced today that the Department of Energy has expanded its gas gouging reporting system to include a toll-free telephone...
simple, easy-to-read graphics language designed specificallyPROGRAM FOR INCLUDING GRAPHICS IN DOCUMENTS Pavel Curtismeanings as in the GRAFPAC graphics system. Definl. ~ tions
Curtis, Pavel
U-182: Microsoft Windows Includes Some Invalid Certificates
The operating system includes some invalid intermediate certificates. The vulnerability is due to the certificate authorities and not the operating system itself.
Habitability of Super-Earth Planets around Other Suns: Models including Red Giant Branch Evolution
The unexpected diversity of exoplanets includes a growing number of super- Earth planets, i.e., exoplanets with masses of up to several Earth masses and a similar chemical and mineralogical composition as Earth. We present a thermal evolution model for a 10 Earth mass planet orbiting a star like the Sun. Our model is based on the integrated system approach, which describes the photosynthetic biomass production taking into account a variety of climatological, biogeochemical, and geodynamical processes. This allows us to identify a so-called photosynthesis-sustaining habitable zone (pHZ) determined by the limits of biological productivity on the planetary surface. Our model considers the solar evolution during the main-sequence stage and along the Red Giant Branch as described by the most recent solar model. We obtain a large set of solutions consistent with the principal possibility of life. The highest likelihood of habitability is found for "water worlds". Only mass-rich water worlds are able to realize pHZ-type habitability beyond the stellar main-sequence on the Red Giant Branch.
W. von Bloh; M. Cuntz; K. -P. Schroeder; C. Bounama; S. Franck
FSC has 'failed the world's forests' say critics FSC has 'failed the world's forests' say critics
a variety of environmental organizations. The FSC is an international not-for-profit organization for slipping standards The Forest Stewardship Council (FSC) has come under increasingly harsh criticisms from environmental organizations like World Rainforest Movement and Ecological Internet are putting the organization
1 When the Third World Fell Behind 1.1 The World Economic Order in 1960
for it must be before the industrial revolution. And we see it over the long century 1700 to 1820, where capita income and living standards between what this book will call the rich industrial core and the poor pre-industrial periphery. The second characteristic of the world economic order was that the poor
Energy Transitions: A Systems Approach Including Marcellus Shale Gas Development
Energy Transitions: A Systems Approach Including Marcellus Shale Gas Development A Report Transitions: A Systems Approach Including Marcellus Shale Gas Development Executive Summary In the 21st the Marcellus shale In addition to the specific questions identified for the case of Marcellus shale gas in New
Angenent, Lars T.
Articles which include chevron film cooling holes, and related processes
An article is described, including an inner surface which can be exposed to a first fluid; an inlet; and an outer surface spaced from the inner surface, which can be exposed to a hotter second fluid. The article further includes at least one row or other pattern of passage holes. Each passage hole includes an inlet bore extending through the substrate from the inlet at the inner surface to a passage hole-exit proximate to the outer surface, with the inlet bore terminating in a chevron outlet adjacent the hole-exit. The chevron outlet includes a pair of wing troughs having a common surface region between them. The common surface region includes a valley which is adjacent the hole-exit; and a plateau adjacent the valley. The article can be an airfoil. Related methods for preparing the passage holes are also described.
Bunker, Ronald Scott; Lacy, Benjamin Paul
America'sfreshstart The next US president will lead the country back onto the world stage in many arenas, including science.
a strong science component (see page 442). The most obvious example is climate change. No matter who wins of human-created climate change -- a disquieting thought, as Palin recently said that energy will be "her, the current administration's eight-year-long pattern of denial and foot-dragging will end. Both Mc
Cai, Long
Real-World Hydrogen Technology Validation: Preprint
The Department of Energy, the Department of Defense's Defense Logistics Agency, and the Department of Transportation's Federal Transit Administration have funded learning demonstrations and early market deployments to provide insight into applications of hydrogen technologies on the road, in the warehouse, and as stationary power. NREL's analyses validate the technology in real-world applications, reveal the status of the technology, and facilitate the development of hydrogen and fuel cell technologies, manufacturing, and operations. This paper presents the maintenance, safety, and operation data of fuel cells in multiple applications with the reported incidents, near misses, and frequencies. NREL has analyzed records of more than 225,000 kilograms of hydrogen that have been dispensed through more than 108,000 hydrogen fills with an excellent safety record.
Sprik, S.; Kurtz, J.; Wipke, K.; Ramsden, T.; Ainscough, C.; Eudy, L.; Saur, G.
Turbomachine injection nozzle including a coolant delivery system
An injection nozzle for a turbomachine includes a main body having a first end portion that extends to a second end portion defining an exterior wall having an outer surface. A plurality of fluid delivery tubes extend through the main body. Each of the plurality of fluid delivery tubes includes a first fluid inlet for receiving a first fluid, a second fluid inlet for receiving a second fluid and an outlet. The injection nozzle further includes a coolant delivery system arranged within the main body. The coolant delivery system guides a coolant along at least one of a portion of the exterior wall and around the plurality of fluid delivery tubes.
Zuo, Baifang (Simpsonville, SC)
Material World: Forecasting Household Appliance Ownership in a Growing Global Economy
Paris IEA (2006). World Energy Outlook, International EnergyAgency. IEA (2002). World Energy Outlook, Internationalprimarily in the IEA�s World Energy Outlook (WEO) 2002 (2000
Letschert, Virginie
Taming the Wild World of Management, Performance and Communication - 13459
Management has evolved a long way from its original meaning of 'governing a horse'. The industrial revolution fostered 'scientific management'; 1930's Hawthorne studies discovered that people's social interactions could alter productivity; and the dawn of the computer age in the post-war 1950's brought general systems theory into management thinking. Today, mobile wireless connectivity aims to transform ever-changing networks of players, mandates, and markets into something that can be 'managed'. So why is there no clear and simple recipe for how to practice management? We talk about financial management, safety management, and operations management, but surely the 'management' part of those endeavors will share the same set of practices. Instead, we are still arguing for 'management' to include everything from developing people to negotiating contracts. A manager's job may include many things, but one of them, the job of management, needs to be nailed down. Three standard practices for managing in a network are developed: (a) support the dialogues that connect people vital to accomplishing a goal or objective; (b) develop and sustain the scoreboards that serve as a road-map to reach the goal; and (c) control the feedback to 'govern the horse'. These three practices are useful for more than reaching goals, as they also support coordinating across boundaries and running productive meetings. The dialogues for productive relationships, scoreboards for goals and deliverables, and feedback for performance together constitute a recipe for managing in a networked world. (authors)
Ford, Laurie [Critical Path Consultants, 3101 Splitrock Road, Columbus Ohio 43221 (United States)] [Critical Path Consultants, 3101 Splitrock Road, Columbus Ohio 43221 (United States)
Parabolic Trough | Department of Energy
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Year in3.pdfEnergyDepartment ofOil's Impact on2005-74LaboratoriesCERCLAConcentrating Solar
Including costs of supply chain risk in strategic sourcing decisions
Cost evaluations do not always include the costs associated with risks when organizations make strategic sourcing decisions. This research was conducted to establish and quantify the impact of risks and risk-related costs ...
Jain, Avani
With the increasing focus on welded bridge members resulting in crack initiation and propagation, there is a large demand for creative solutions. One of these solutions includes the application of composite doublers over the critical weld. In order...
Petri, Brad
atlantic region including: Topics by E-print Network
R: L. Tossey, T. Beeson, Parks, B. TruittTNC, UD MPEO staff 2 Climate scenarios of sea level rise for the northeast Atlantic Ocean: a study including the effects of ocean...
T-603: Mac OS X Includes Some Invalid Comodo Certificates
The operating system includes some invalid certificates. The vulnerability is due to the invalid certificates and not the operating system itself. Other browsers, applications, and operating systems are affected.
Limited Personal Use of Government Office Equipment including Information Technology
Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]
The Order establishes requirements and assigns responsibilities for employees' limited personal use of Government resources (office equipment and other resources including information technology) within DOE, including NNSA. The Order is required to provide guidance on appropriate and inappropriate uses of Government resources. This Order was certified 04/23/2009 as accurate and continues to be relevant and appropriate for use by the Department. Certified 4-23-09. No cancellation.
NC State Engineering A Wolfpack World
's Sierra Leone project includes work on a water sanitation system for a remote village. Russia Chemical of the coolest places. These programs and partnerships are just a small sampling of NC State's global reach. NC
Ning, Peng
Thin film solar cell including a spatially modulated intrinsic layer
One or more thin film solar cells in which the intrinsic layer of substantially amorphous semiconductor alloy material thereof includes at least a first band gap portion and a narrower band gap portion. The band gap of the intrinsic layer is spatially graded through a portion of the bulk thickness, said graded portion including a region removed from the intrinsic layer-dopant layer interfaces. The band gap of the intrinsic layer is always less than the band gap of the doped layers. The gradation of the intrinsic layer is effected such that the open circuit voltage and/or the fill factor of the one or plural solar cell structure is enhanced.
Guha, Subhendu (Troy, MI); Yang, Chi-Chung (Troy, MI); Ovshinsky, Stanford R. (Bloomfield Hills, MI)
Solar Energy Education. Renewable energy: a background text. [Includes glossary
Some of the most common forms of renewable energy are presented in this textbook for students. The topics include solar energy, wind power hydroelectric power, biomass ocean thermal energy, and tidal and geothermal energy. The main emphasis of the text is on the sun and the solar energy that it yields. Discussions on the sun's composition and the relationship between the earth, sun and atmosphere are provided. Insolation, active and passive solar systems, and solar collectors are the subtopics included under solar energy. (BCS)
Methods of producing adsorption media including a metal oxide
Methods of producing a metal oxide are disclosed. The method comprises dissolving a metal salt in a reaction solvent to form a metal salt/reaction solvent solution. The metal salt is converted to a metal oxide and a caustic solution is added to the metal oxide/reaction solvent solution to adjust the pH of the metal oxide/reaction solvent solution to less than approximately 7.0. The metal oxide is precipitated and recovered. A method of producing adsorption media including the metal oxide is also disclosed, as is a precursor of an active component including particles of a metal oxide.
Mann, Nicholas R; Tranter, Troy J
Energy and the Evolution of World-Systems: Fueling Power and Environmental Degradation, 1800-2008
percentage of world energy consumption over the two decades,82 percent of total world energy consumption, as produced byof world GDP % of world energy consumption As is common in
Lawrence, Kirk Steven
Fall Lectures Feature Life of Einstein; Exploring Our World With...
Fall Lectures Feature Life of Einstein; Exploring Our World With Particle Accelerators NEWPORT NEWS, Va., Sept. 22, 2010 - Jefferson Lab's first 2010 Fall Science Series lecture,...
Jefferson Lab Fall Lecture: Exploring Our World With Particle...
Fall Lecture: Exploring Our World With Particle Accelerators NEWPORT NEWS, Va., Nov. 9, 2010 - Jefferson Lab's 2010 Fall Science Lecture Series concludes on Tuesday, Nov. 23, with...
Power Builds Ships Northwest Hydropower Helps Win World War II
Power-Builds-Ships-Northwest-Hydropower-Helps-Win-World-War-II Sign In About | Careers | Contact | Investors | bpa.gov Search News & Us Expand News & Us Projects & Initiatives...
Scientists use world's fastest computer to model materials under...
Materials under extreme conditions Scientists use world's fastest computer to model materials under extreme conditions Materials scientists are for the first time attempting to...
Networking and the Web World-Wide Web
Networking and the Web #12;World-Wide Web · Wide use of computers Web · Key components of the web Computer Communica8on Networks
North Carolina at Chapel Hill, University of
Renewable Energy World Conference and Expo North America
Renewable Energy World Conference & Expo North America will be co-located with Power Generation Week, providing networking opportunities with 20,000+ professionals and key decision makers.
World-Wide Experience with SRF Facilities
The speaker will review and analyze the performance of existing SRF facilities in the world, addressing issues of usage and availability for different customers (HEP research, material sciences, ADS). Lessons learned should be summarized for proposed future facilities (ILC, Project X, Muon Collider). The first use of superconducting cavities for accelerating beams was at HEPL, Stanford University in the early sixties. Rather quickly, other laboratories followed suit, notably the University of Illinois at Champagne, Urbana and Cornell University. There were two main uses, which still persist today. The first is to provide accelerated particles as an injector or for fixed target experiments. The second is to maintain circulating beams, either for synchrotron light sources or for colliding beam experiments. Given the differing requirements, these two uses led to rather different implementations and, in particular, different average operating gradients. A second difference in the implementation is the speed of the particle being accelerated. Electrons are sufficiently relativistic at low beam energies (> {approx} 5 MeV) that cavities designed for relativistic beams can also function acceptably at low energy. This is not the case for protons or ion accelerators so, until recently, copper cavities were used to cover the first {approx} 100 MeV. Superconducting cavities are now also being proposed to cover this energy range as well using a series of superconducting cavities, each of which is matched to the particle velocity.
Andrew Hutton, Adam Carpenter
World Energy Projection System model documentation
The World Energy Projection System (WEPS) was developed by the Office of Integrated Analysis and Forecasting within the Energy Information Administration (EIA), the independent statistical and analytical agency of the US Department of Energy. WEPS is an integrated set of personal computer based spreadsheets containing data compilations, assumption specifications, descriptive analysis procedures, and projection models. The WEPS accounting framework incorporates projections from independently documented models and assumptions about the future energy intensity of economic activity (ratios of total energy consumption divided by gross domestic product GDP), and about the rate of incremental energy requirements met by natural gas, coal, and renewable energy sources (hydroelectricity, geothermal, solar, wind, biomass, and other renewable resources). Projections produced by WEPS are published in the annual report, International Energy Outlook. This report documents the structure and procedures incorporated in the 1998 version of the WEPS model. It has been written to provide an overview of the structure of the system and technical details about the operation of each component of the model for persons who wish to know how WEPS projections are produced by EIA.
Hutzler, M.J.; Anderson, A.T.
Data on production and use of DRI: World and U. S. [Direct Reduced Iron
This paper will present data on the production and use direct-reduced iron (DRI) worldwide, focusing primarily on its use in the United States. The author is indebted to the Midrex Corporation for the data on world production of DRI. The U.S. data is his own and he will explain later how it was collected. He uses the term DRI to include all forms of direct-reduced iron, whether briquettes, pellets or lump.
Jensen, H.B.
Biomass Potentials from California Forest and Shrublands Including Fuel
Biomass Potentials from California Forest and Shrublands Including Fuel Reduction Potentials-04-004 February 2005 Revised: October 2005 Arnold Schwarzenegger, Governor, State of California #12;Biomass Tiangco, CEC Bryan M. Jenkins, University of California #12;Biomass Potentials from California Forest
Project Management Business Process Project Delivery Processes Includes VE Budget
Project Management Business Process Project Delivery Processes Includes VE Budget Schedule Activities that do/could feed into PMBP LEGEND VE Cost Avoidance Program Coverage Document Results (Before, could use the value methodology to facilitate after action review. The project manager is responsible
US Army Corps of Engineers
DISTINCTIONS The unique combination of factors which distinguish Berea includes
throughout Appala- chia. SUSTAINABLE CAMPUS FEATURES The College environment demonstrates sustainable living and enhances student learning. Recently renovated historical buildings and residence halls include sustain, Washington Monthly ranked Berea the #1 liberal arts college in the nation Listed as a "Best Buy" college
Baltisberger, Jay H.
Free Energy Efficiency Kit includes CFL light bulbs,
Free Energy Efficiency Kit Kit includes CFL light bulbs, spray foam, low-flow shower head, and more! Building Science 101 Presentation BPI Certified Building Professionals will present home energy efficiency for discounted energy assessments. FREE HOME ENERGY EFFICIENCY SEMINAR N e w R i ver L i g ht & Pow e r a n d W
Rose, Annkatrin
Area of cooperation includes: Joint research and development on
Technologies August 2, 2006: HCL Technologies Ltd (HCL), India's leading global IT services company, has signed projects that are using this technology currently such as BioGrid in Japan, National Grid Service in UKArea of cooperation includes: · Joint research and development on Grid computing technologies
Buyya, Rajkumar
Energy Transitions: A Systems Approach Including Marcellus Shale Gas Development A Report Engineering) W. VA #12;Energy Transitions: A Systems Approach August 2011 version Page 2 Energy Transitions sources globally, some very strong short-term drivers of energy transitions reflect rising concerns over
Walter, M.Todd
Procedures in Modules (1) Including all procedures within modules
Procedures in Modules (1) Including all procedures within modules works very well in almost all designing these if possible #12;Procedures in Modules (2) These are very much like internal procedures Works very well in almost all programs Everything accessible in the module can also be used in the procedure
FORUMA Hamilton Spectator Town Hall Event SPEAKERS INCLUDE
R001990104 OPEN FORUMA Hamilton Spectator Town Hall Event SPEAKERS INCLUDE: STEVE BUIST, Spectator, former chairman of Hamilton-Wentworth region and now president and CEO of the Hamilton Community Foundation. DR. CHRIS MACKIE, Hamilton's associate medical officer of health. MARK CHAMBERLAIN, president
Thompson, Michael
DO NOT INCLUDE: flatten cardboard staples, tape & envelope windows ok
/ bottles Metal items other than cans/foil Napkins Paper towels Plastic bags Plastic films Plastic utensilsDO NOT INCLUDE: flatten cardboard staples, tape & envelope windows ok Aerosol cans Books Bottle, PDAs, inkjet cartridges, CFL bulbs (cushioned, sealed in plastic) computers, printers, printer
Wolfe, Patrick J.
cDNA encoding a polypeptide including a hevein sequence
A cDNA clone (HEV1) encoding hevein was isolated via polymerase chain reaction (PCR) using mixed oligonucleotides corresponding to two regions of hevein as primers and a Hevea brasiliensis latex cDNA library as a template. HEV1 is 1,018 nucleotides long and includes an open reading frame of 204 amino acids.
Raikhel, N.V.; Broekaert, W.F.; Namhai Chua; Kush, A.
ASTRO-F/FIS observing simulation including detector characteristics
ASTRO-F/FIS observing simulation including detector characteristics Woong-Seob Jeong a,*, Soojong instruments, the far-infrared surveyor (FIS) will map the entire sky in four bands using short wavelength (SW- oped a suite of software with an aim to simulate the FIS observations (Jeong et al., 2000, 2003, 2004
Pak, Soojong
ASTRO-F/FIS Observing Simulation Including Detector Characteristics
ASTRO-F/FIS Observing Simulation Including Detector Characteristics Woong-Seob Jeong1, Soojong Pak1 simulations to examined the detector characteristics on the FIS instrument (Far- Infrared Surveyor) images narrow and wide bands using a short wavelength (SW) and long wavelength (LW) detector array. The FIS (Far
Lee, Hyung Mok
Methods of Purchasing Purchasing methods include the different
" purchases must be reviewed and approved by the Controller's Office. This may result in the end user beingMethods of Purchasing Purchasing methods include the different processes of ordering goods and/or services, and encumbering funds. #12;Method of Purchase Field Purchase Orders (FPO) Accepted
Including Blind Students in Computer Science Through Access to Graphs
Including Blind Students in Computer Science Through Access to Graphs Suzanne Balik, Sean Mealin SKetching tool, GSK, to provide blind and sighted people with a means to create, examine, and share graphs (node-link diagrams) in real-time. GSK proved very effective for one blind computer science student
Young, R. Michael
HTS Conductor Design Issues Including Quench and Stability,
/background · Stability and protection are crucial issues for HTS tapes and coils applied to electric power devices. Both for the economic argument for HTS AC applications like cables and transformers. · Conductor design is importantHTS Conductor Design Issues Including Quench and Stability, AC Losses, and Fault Currents M. J
Bayesian hierarchical reconstruction of protein profiles including a digestion model
Bayesian hierarchical reconstruction of protein profiles including a digestion model Pierre to recover the protein biomarkers content in a robust way. We will focus on the digestion step since and each branch to a molecular processing such as digestion, ionisation and LC-MS separation
Requirements: A minimum of 15 PSYC credits, including
» Three other 2000-3000-level PSYC courses (any area) No more than 3 credits of PSYC 3889 or 3999 canRequirements: A minimum of 15 PSYC credits, including: » One Area I course » One Area II course) ___2100 (Principles of Research in Psychology) Area I. Social, Developmental, Clinical, & Industrial
Alpay, S. Pamir
E-Print Network 3.0 - activation predicting real-world Sample...
Summary: Classification Problems From The Real World Microarray Classification Heart Attack Prediction Phoneme... Classification Problems From The Real World Microarray...
Transportation R and D included in thermal and mechanical sciences program
Argonne National Laboratory is a multiprogram research and development laboratory operated by The University of Chicago for the US Department of Energy. At Argonne, applied research in thermal and mechanical sciences is performed within the Thermal and Mechanical Sciences Section of the Energy Technology Division. Current program areas include compact evaporators and condensers for the process and transportation industries, ice slurries for district cooling, advanced fluids for improved heat transfer and reduced pressure drop, flow-induced vibration and flow distribution in shell-and-tube heat exchangers, and dynamics and control of maglev systems. In general, the objective of the research is to extend the technology base in each of these areas and to facilitate its application in solving problems of importance to US industries and utilities. This is accomplished by developing validated design correlations and predictive methods. The staff of the Thermal and Mechanical Sciences Section have extensive experimental and analytical experience in heat transfer, multiphase flow, structural dynamics and control, fluid-structure interaction, transient flow and mixing, thermally driven flows, and flow visualization using ultra-high-speed video. Large, general-purpose test facilities and smaller, single-purpose test apparatuses are available for experiments and component design evaluation. A world-class capability in the study of flow-induced vibrations exists within the Section. Individual fact sheets, describing currently active research program areas, related facilities, and listing, as a contact, the principal investigator, are included.
Your World Magazine - Microbes: Parts and Potential
Microorganisms are tiny, but together, they make up more than 60 percent of the earth's living matter. Often people think only of bacteria when they talk about microbes, but viruses, fungi, protozoa, and microalgae are also microbes. Scientists estimate that there are 2 to 3 billion species of microorganisms. By learning what genes microbes contain and how they are arranged, what they do, and how they are expressed, researchers get a better grasp on how microbes have evolved, new possibilities for diagnosing and treating diseases, and ideas for ways to clean up the environment and produce energy. You can be a part of this exciting work in many ways. Figuring out the genes in microbes, or microbial genomics, is a field that gets a lot of help from computer science and mathematics. You could go into bioinformatics, which uses computers to collect and sort information about living matter. Or you could try computational modeling and help develop simple models of what an organism would look like and how it would function. Researchers want to understand microbes genetics well enough to build useful ones. As we move toward that possibility, we need to think about how that ability can be used wisely or poorly. Enjoy learning about microbial genomics in this issue of Your World, and think about what part you'd like to take in exploring this vital field. Some current uses of microbes are: (1) Saccharomyces cerevisiae (baker's yeast) - produces the CO{sub 2} that makes bread rise and is also used to make beer; (2) Streptomyces - soil bacteria that make streptomycin, an antibiotic, used to treat infections; (3) Pseudomonas putida - one of many microbes used to clean wastes from sewage at water treatment plants; (4) Escherichia coli - one of many kinds of microbes that live in your gut and help digest your food; and (5) Bacillus thuringiensis - a common soil bacterium that acts as a natural pest-killer in gardens and on crops.
Biotechnology Institute
Multi-processor including data flow accelerator module
An accelerator module for a data flow computer includes an intelligent memory. The module is added to a multiprocessor arrangement and uses a shared tagged memory architecture in the data flow computer. The intelligent memory module assigns locations for holding data values in correspondence with arcs leading to a node in a data dependency graph. Each primitive computation is associated with a corresponding memory cell, including a number of slots for operands needed to execute a primitive computation, a primitive identifying pointer, and linking slots for distributing the result of the cell computation to other cells requiring that result as an operand. Circuitry is provided for utilizing tag bits to determine automatically when all operands required by a processor are available and for scheduling the primitive for execution in a queue. Each memory cell of the module may be associated with any of the primitives, and the particular primitive to be executed by the processor associated with the cell is identified by providing an index, such as the cell number for the primitive, to the primitive lookup table of starting addresses. The module thus serves to perform functions previously performed by a number of sections of data flow architectures and coexists with conventional shared memory therein. A multiprocessing system including the module operates in a hybrid mode, wherein the same processing modules are used to perform some processing in a sequential mode, under immediate control of an operating system, while performing other processing in a data flow mode.
Davidson, George S. (Albuquerque, NM); Pierce, Paul E. (Albuquerque, NM)
Conversion of geothermal waste to commercial products including silica
A process for the treatment of geothermal residue includes contacting the pigmented amorphous silica-containing component with a depigmenting reagent one or more times to depigment the silica and produce a mixture containing depigmented amorphous silica and depigmenting reagent containing pigment material; separating the depigmented amorphous silica and from the depigmenting reagent to yield depigmented amorphous silica. Before or after the depigmenting contacting, the geothermal residue or depigmented silica can be treated with a metal solubilizing agent to produce another mixture containing pigmented or unpigmented amorphous silica-containing component and a solubilized metal-containing component; separating these components from each other to produce an amorphous silica product substantially devoid of metals and at least partially devoid of pigment. The amorphous silica product can be neutralized and thereafter dried at a temperature from about 25.degree. C. to 300.degree. C. The morphology of the silica product can be varied through the process conditions including sequence contacting steps, pH of depigmenting reagent, neutralization and drying conditions to tailor the amorphous silica for commercial use in products including filler for paint, paper, rubber and polymers, and chromatographic material.
Premuzic, Eugene T. (East Moriches, NY); Lin, Mow S. (Rocky Point, NY)
Management of low-level radioactive wastes around the world
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Lakey, L.T.; Harmon, K.M.; Colombo, P.
2007 world of coal ash conference proceedings
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18 Science and the Modern World Steven Shapin
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Shapin, Steven
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A coke oven model including thermal decomposition kinetics of tar
A new one-dimensional coke oven model has been developed for simulating the amount and the characteristics of by-products such as tar and gas as well as coke. This model consists of both heat transfer and chemical kinetics including thermal decomposition of coal and tar. The chemical kinetics constants are obtained by estimation based on the results of experiments conducted to investigate the thermal decomposition of both coal and tar. The calculation results using the new model are in good agreement with experimental ones.
Munekane, Fuminori; Yamaguchi, Yukio [Mitsubishi Chemical Corp., Yokohama (Japan); Tanioka, Seiichi [Mitsubishi Chemical Corp., Sakaide (Japan)
Composite armor, armor system and vehicle including armor system
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Chu, Henry S.; Jones, Warren F.; Lacy, Jeffrey M.; Thinnes, Gary L.
A cDNA clone (HEV1) encoding hevein was isolated via polymerase chain reaction (PCR) using mixed oligonucleotides corresponding to two regions of hevein as primers and a Hevea brasiliensis latex cDNA library as a template. HEV1 is 1018 nucleotides long and includes an open reading frame of 204 amino acids. The deduced amino acid sequence contains a pu GOVERNMENT RIGHTS This application was funded under Department of Energy Contract DE-AC02-76ER01338. The U.S. Government has certain rights under this application and any patent issuing thereon.
Raikhel, Natasha V. (Okemos, MI); Broekaert, Willem F. (Dilbeek, BE); Chua, Nam-Hai (Scarsdale, NY); Kush, Anil (New York, NY)
The World Energy situation andThe World Energy situation and the Role of Renewable Energy Sources and
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A review of "New World, Known World: Shaping Knowledge in Early Anglo-American Writing." by David Read,
or patronizing. Thus I will end as I began: The major premise of Rebecca Totaro?s Suffering in Paradise: The Bubonic Plague in English Literature from More to Milton is intriguing. David Read. New World, Known World: Shaping Knowledge in Early Anglo...
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Cogeneration handbook for the petroleum refining industry. [Glossary included
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Community Assessment Tool for Public Health Emergencies Including Pandemic Influenza
The Community Assessment Tool (CAT) for Public Health Emergencies Including Pandemic Influenza (hereafter referred to as the CAT) was developed as a result of feedback received from several communities. These communities participated in workshops focused on influenza pandemic planning and response. The 2008 through 2011 workshops were sponsored by the Centers for Disease Control and Prevention (CDC). Feedback during those workshops indicated the need for a tool that a community can use to assess its readiness for a disaster - readiness from a total healthcare perspective, not just hospitals, but the whole healthcare system. The CAT intends to do just that - help strengthen existing preparedness plans by allowing the healthcare system and other agencies to work together during an influenza pandemic. It helps reveal each core agency partners (sectors) capabilities and resources, and highlights cases of the same vendors being used for resource supplies (e.g., personal protective equipment [PPE] and oxygen) by the partners (e.g., public health departments, clinics, or hospitals). The CAT also addresses gaps in the community's capabilities or potential shortages in resources. This tool has been reviewed by a variety of key subject matter experts from federal, state, and local agencies and organizations. It also has been piloted with various communities that consist of different population sizes, to include large urban to small rural communities.
ORAU's Oak Ridge Institute for Science Education (HCTT-CHE)
Hydraulic engine valve actuation system including independent feedback control
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Marriott, Craig D
Electra-optical device including a nitrogen containing electrolyte
Described is a thin-film battery, especially a thin-film microbattery, and a method for making same having application as a backup or primary integrated power source for electronic devices. The battery includes a novel electrolyte which is electrochemically stable and does not react with the lithium anode and a novel vanadium oxide cathode Configured as a microbattery, the battery can be fabricated directly onto a semiconductor chip, onto the semiconductor die or onto any portion of the chip carrier. The battery can be fabricated to any specified size or shape to meet the requirements of a particular application. The battery is fabricated of solid state materials and is capable of operation between -15.degree. C. and 150.degree. C.
Bates, John B. (Oak Ridge, TN); Dudney, Nancy J. (Knoxville, TN); Gruzalski, Greg R. (Oak Ridge, TN); Luck, Christopher F. (Knoxville, TN)
Dye laser amplifier including a specifically designed diffuser assembly
A large (high flow rate) dye laser amplifier in which a continuous replened supply of dye is excited by a first light beam, specifically a copper vapor laser beam, in order to amplify the intensity of a second different light beam, specifically a dye beam, passing through the dye is disclosed herein. This amplifier includes a dye cell defining a dye chamber through which a continuous stream of dye is caused to pass at a relatively high flow rate and a specifically designed diffuser assembly for slowing down the flow of dye while, at the same time, assuring that as the dye stream flows through the diffuser assembly it does so in a stable manner.
Davin, James (Gilroy, CA); Johnston, James P. (Stanford, CA)
Described is a thin-film battery, especially a thin-film microbattery, and a method for making same having application as a backup or primary integrated power source for electronic devices. The battery includes a novel electrolyte which is electrochemically stable and does not react with the lithium anode and a novel vanadium oxide cathode. Configured as a microbattery, the battery can be fabricated directly onto a semiconductor chip, onto the semiconductor die or onto any portion of the chip carrier. The battery can be fabricated to any specified size or shape to meet the requirements of a particular application. The battery is fabricated of solid state materials and is capable of operation between {minus}15 C and 150 C.
Bates, J.B.; Dudney, N.J.; Gruzalski, G.R.; Luck, C.F.
Fuel cell repeater unit including frame and separator plate
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Yamanis, Jean; Hawkes, Justin R; Chiapetta, Jr., Louis; Bird, Connie E; Sun, Ellen Y; Croteau, Paul F
Pulse transmission transmitter including a higher order time derivate filter
Systems and methods for pulse-transmission low-power communication modes are disclosed. A pulse transmission transmitter includes: a clock; a pseudorandom polynomial generator coupled to the clock, the pseudorandom polynomial generator having a polynomial load input; an exclusive-OR gate coupled to the pseudorandom polynomial generator, the exclusive-OR gate having a serial data input; a programmable delay circuit coupled to both the clock and the exclusive-OR gate; a pulse generator coupled to the programmable delay circuit; and a higher order time derivative filter coupled to the pulse generator. The systems and methods significantly reduce lower-frequency emissions from pulse transmission spread-spectrum communication modes, which reduces potentially harmful interference to existing radio frequency services and users and also simultaneously permit transmission of multiple data bits by utilizing specific pulse shapes.
Dress Jr., William B.; Smith, Stephen F.
Including stereoscopic information in the reconstruction of coronal magnetic fields
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T. Wiegelmann; T. Neukirch
Copper laser modulator driving assembly including a magnetic compression laser
A laser modulator (10) having a low voltage assembly (12) with a plurality of low voltage modules (14) with first stage magnetic compression circuits (20) and magnetic assist inductors (28) with a common core (91), such that timing of the first stage magnetic switches (30b) is thereby synchronized. A bipolar second stage of magnetic compression (42) is coupled to the low voltage modules (14) through a bipolar pulse transformer (36) and a third stage of magnetic compression (44) is directly coupled to the second stage of magnetic compression (42). The low voltage assembly (12) includes pressurized boxes (117) for improving voltage standoff between the primary winding assemblies (34) and secondary winding (40) contained therein.
Cook, Edward G. (Livermore, CA); Birx, Daniel L. (Oakley, CA); Ball, Don G. (Livermore, CA)
Calibration of a Solar Absolute Cavity Radiometer with Traceability to the World Radiometric Reference
This report describes the present method of establishing traceability of absolute cavity radiometers to the World Radiometric Reference (WRR) through the process employed in the International Pyrheliometer Comparisons (IPC). This method derives the WRR reduction factor for each of the participating cavity radiometers. An alternative method is proposed, described, and evaluated as a way to reduce the uncertainty in the comparison process. The two methods are compared using a sample of data from the recent IPC-VIII conducted from September 25th to October 13th, 1995 at the World Radiation Center in Davos, Switzerland. A description of absolute cavity radiometers is also included, using a PMO-6 as an example of active cavity radiometers, and a HF as an example of passive cavity radiometers.
Reda, I.
A cDNA clone (HEV1) encoding hevein was isolated via polymerase chain reaction (PCR) using mixed oligonucleotides corresponding to two regions of hevein as primers and a Hevea brasiliensis latex cDNA library as a template. HEV1 is 1018 nucleotides long and includes an open reading frame of 204 amino acids. The deduced amino acid sequence contains a putative signal sequence of 17 amino acid residues followed by a 187 amino acid polypeptide. The amino-terminal region (43 amino acids) is identical to hevein and shows homology to several chitin-binding proteins and to the amino-termini of wound-induced genes in potato and poplar. The carboxyl-terminal portion of the polypeptide (144 amino acids) is 74-79% homologous to the carboxyl-terminal region of wound-inducible genes of potato. Wounding, as well as application of the plant hormones abscisic acid and ethylene, resulted in accumulation of hevein transcripts in leaves, stems and latex, but not in roots, as shown by using the cDNA as a probe. A fusion protein was produced in E. coli from the protein of the present invention and maltose binding protein produced by the E. coli.
CDNA encoding a polypeptide including a hevein sequence
A cDNA clone (HEV1) encoding hevein was isolated via polymerase chain reaction (PCR) using mixed oligonucleotides corresponding to two regions of hevein as primers and a Hevea brasiliensis latex cDNA library as a template. HEV1 is 1018 nucleotides long and includes an open reading frame of 204 amino acids. The deduced amino acid sequence contains a putative signal sequence of 17 amino acid residues followed by a 187 amino acid polypeptide. The amino-terminal region (43 amino acids) is identical to hevein and shows homology to several chitin-binding proteins and to the amino-termini of wound-induced genes in potato and poplar. The carboxyl-terminal portion of the polypeptide (144 amino acids) is 74--79% homologous to the carboxyl-terminal region of wound-inducible genes of potato. Wounding, as well as application of the plant hormones abscisic acid and ethylene, resulted in accumulation of hevein transcripts in leaves, stems and latex, but not in roots, as shown by using the cDNA as a probe. A fusion protein was produced in E. coli from the protein of the present invention and maltose binding protein produced by the E. coli. 12 figs.
Raikhel, N.V.; Broekaert, W.F.; Chua, N.H.; Kush, A.
A cDNA clone (HEV1) encoding hevein was isolated via polymerase chain reaction (PCR) using mixed oligonucleotides corresponding to two regions of hevein as primers and a Hevea brasiliensis latex cDNA library as a template. HEV1 is 1,018 nucleotides long and includes an open reading frame of 204 amino acids. The deduced amino acid sequence contains a putative signal sequence of 17 amino acid residues followed by a 187 amino acid polypeptide. The amino-terminal region (43 amino acids) is identical to hevein and shows homology to several chitin-binding proteins and to the amino-termini of wound-induced genes in potato and poplar. The carboxyl-terminal portion of the polypeptide (144 amino acids) is 74--79% homologous to the carboxyl-terminal region of wound-inducible genes of potato. Wounding, as well as application of the plant hormones abscisic acid and ethylene, resulted in accumulation of hevein transcripts in leaves, stems and latex, but not in roots, as shown by using the cDNA as a probe. A fusion protein was produced in E. coli from the protein of the present invention and maltose binding protein produced by the E. coli. 11 figures.
Extractant composition including crown ether and calixarene extractants
An extractant composition comprising a mixed extractant solvent consisting of calix[4] arene-bis-(tert-octylbenzo)-crown-6 ("BOBCalixC6"), 4',4',(5')-di-(t-butyldicyclo-hexano)-18-crown-6 ("DtBu18C6"), and at least one modifier dissolved in a diluent. The DtBu18C6 may be present at from approximately 0.01M to approximately 0.4M, such as at from approximately 0.086 M to approximately 0.108 M. The modifier may be 1-(2,2,3,3-tetrafluoropropoxy)-3-(4-sec-butylphenoxy)-2-propanol ("Cs-7SB") and may be present at from approximately 0.01M to approximately 0.8M. In one embodiment, the mixed extractant solvent includes approximately 0.15M DtBu18C6, approximately 0.007M BOBCalixC6, and approximately 0.75M Cs-7SB modifier dissolved in an isoparaffinic hydrocarbon diluent. The extractant composition further comprises an aqueous phase. The mixed extractant solvent may be used to remove cesium and strontium from the aqueous phase.
Meikrantz, David H. (Idaho Falls, ID); Todd, Terry A. (Aberdeen, ID); Riddle, Catherine L. (Idaho Falls, ID); Law, Jack D. (Pocalello, ID); Peterman, Dean R. (Idaho Falls, ID); Mincher, Bruce J. (Idaho Falls, ID); McGrath, Christopher A. (Blackfoot, ID); Baker, John D. (Blackfoot, ID)
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Egging, Anna Katherine
Migrant Remittances and Exchange Rate Regimes in the Developing World
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Singer, David Andrew
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Achtmann, Eric D.
14.73 The Challenge of World Poverty, Fall 2009
This is a course for those who are interested in the challenge posed by massive and persistent world poverty, and are hopeful that economists might have something useful to say about this challenge. The questions we will ...
Donaldson, Dave
Summary of nuclear fuel reprocessing activities around the world
This review of international practices for nuclear fuel reprocessing was prepared to provide a nontechnical summary of the current status of nuclear fuel reprocessing activities around the world. The sources of information are widely varied.
Mellinger, P.J.; Harmon, K.M.; Lakey, L.T.
The Community Assessment Tool (CAT) for Public Health Emergencies Including Pandemic Influenza (hereafter referred to as the CAT) was developed as a result of feedback received from several communities. These communities participated in workshops focused on influenza pandemic planning and response. The 2008 through 2011 workshops were sponsored by the Centers for Disease Control and Prevention (CDC). Feedback during those workshops indicated the need for a tool that a community can use to assess its readiness for a disaster�readiness from a total healthcare perspective, not just hospitals, but the whole healthcare system. The CAT intends to do just that�help strengthen existing preparedness plans by allowing the healthcare system and other agencies to work together during an influenza pandemic. It helps reveal each core agency partners' (sectors) capabilities and resources, and highlights cases of the same vendors being used for resource supplies (e.g., personal protective equipment [PPE] and oxygen) by the partners (e.g., public health departments, clinics, or hospitals). The CAT also addresses gaps in the community's capabilities or potential shortages in resources. While the purpose of the CAT is to further prepare the community for an influenza pandemic, its framework is an extension of the traditional all-hazards approach to planning and preparedness. As such, the information gathered by the tool is useful in preparation for most widespread public health emergencies. This tool is primarily intended for use by those involved in healthcare emergency preparedness (e.g., community planners, community disaster preparedness coordinators, 9-1-1 directors, hospital emergency preparedness coordinators). It is divided into sections based on the core agency partners, which may be involved in the community's influenza pandemic influenza response.
O N E The World Economy Is Broken It is clear that the world economy is in a mess. Since its collapse in
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Landweber, Laura
Connecting the Mobile World Drive Train Developments and
Cost Power Modules #12;Ve h i c u l a r Te c h n o l o g y S o c i e t y Diesel ICE and MotorConnecting the Mobile World Drive Train Developments and Opportunities: Power Electronics, 2013 Connecting the Mobile World #12;Ve h i c u l a r Te c h n o l o g y S o c i e t y Power EDT
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Rapelje, Brandon Wayne
Research in Germany seminar -IIT Madras The Deutscher Akademischer Austausch Dienst is the world`s largest
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Blood and Ink: Russian and Soviet Jewish Chroniclers of Catastrophe from World War I to World War II
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PAPER NO. rtos-A118 International Conference on Oil Shale: �Recent Trends In Oil Shale�, 7-9 November 2006, Amman,Jordan WORLD OIL SHALE RETORTING TECHNOLOGIES
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Jialin Qian; Jianqiu Wang
Carbon Intensity, Carbon Efficiency, 1973-2008, by World-Carbon Intensity, Carbon Efficiency, 1973-2008, by World-carbon intensity of countries CO 2 emissions per unit of GDP, were found to vary across the world-
Estimate of Technical Potential for Minimum Efficiency Performance Standards in 13 Major World Economies
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Measuring "Real World" Heavy-Duty Diesel Emissions with a Mobile...
Measuring "Real World" Heavy-Duty Diesel Emissions with a Mobile Lab Measuring "Real World" Heavy-Duty Diesel Emissions with a Mobile Lab 2002 DEER Conference Presentation:...
The Causes of Trade Globalization: A Political-Economy and World-Systems Approach
War Intensity Energy Consumption World Average Democracyworld GDPpc taken from Maddison (2007) and energy consumptionto world GDPpc this study will employ energy consumption
Kwon, Roy
A. 2000. ?Globalization of the Economy. ? National Bureau ofof Trade Globalization: A Political-Economy and World-of Trade Globalization: A Political Economy and World-
E-Print Network 3.0 - added products-a world Sample Search Results
5 > >> 1 Gail Hopkins Introduction Summary: added by Person 1 * int main( ) printf("Hello World"); Example: Person 2 makes a change int main... ( ) printf("Hello World");...
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VI... spacetime finite element method", 8th World Congress on Computational Mechanics, Venice, Italy, June 30... ), 7th World Congress on Computational Mechanics, Los ......
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and Consumption, 2007 The United States was responsible for 8% of the world's petroleum production, held 2% of the world's crude oil reserves, and consumed 24% of the...
Your contest entry must be made entirely by you and include
as a source of water, food, medicine, jobs, transportation, recreation, and energy. The ocean controls climate the ocean. Use art to show how your ancestors learned about their world and took care of it wisely. Wow
Wang, Yuqing
A performance study of ceramic candle filters in Kenya including tests for coliphage removal
Approximately 80% of all diseases in the developing world are caused by contaminated water (GDRC, 1999). In response to this crisis, decentralized point-of-use systems, such as ceramic candle filters, have emerged as viable ...
Franz, Amber, 1982-
Nonzero cosmological constant and the many vacua world
The idea of the quantum state of the Universe described by some density matrix, i.e mixture of at least two vacua, the trivial symmetric and the nontrivial one with spontaneously broken symmetry is discussed. Nonzero cosmological constant necessarily arises for such a state and has the observable value if one takes the axion mass for the vacuum expectation value. The Higgs model, Nambu's model and discrete symmetry breaking are considered. Human observers can observe only the world on the nonsymmetric vacuum, the world on the other vacuum is some dark matter. Gravity is due to action of two worlds. Tachyons nonobservable for visible matter can be present in the dark matter, leading to some effects of nonlocality in the space of the Universe.
A. A. Grib
Managing nuclear weapons in a changing world: Proceedings
The Center for Security and Technology Studies was established at the Lawrence Livermore National Laboratory to support long-range technical studies on issues of importance to US national security. An important goal of the Center is to bring together Laboratory staff and the broader outside community through a program of technical studies, visitors, symposia, seminars, workshops, and publications. With this in mind, the Center and LLNL`s Defense Systems Program sponsored a conference on Managing Nuclear Weapons in a Changing World held on November 17--18,1992. The first day of the meeting focused on nuclear weapons issues in the major geographical areas of the world. On the second day, the conference participants discussed what could be done to manage, control, and account for nuclear weapons in this changing world. Each of the talks and the concluding panel discussion are being indexed as separate documents.
World Oil Prices in AEO2006 (released in AEO2006)
World oil prices in the Annual Energy Outlook 2006 (AEO) reference case are substantially higher than those in the AEO2005 reference case. In the AEO2006 reference case, world crude oil prices, in terms of the average price of imported low-sulfur, light crude oil to U.S. refiners, decline from current levels to about $47 per barrel (2004 dollars) in 2014, then rise to $54 per barrel in 2025 and $57 per barrel in 2030. The price in 2025 is approximately $21 per barrel higher than the corresponding price projection in the AEO2005 reference case.
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World oil prices in Annual Energy Outlook 2005 are set in an environment where the members of OPEC (Organization of the Petroleum Exporting Countries) are assumed to act as the dominant producers, with lower production costs than other supply regions or countries. Non-OPEC oil producers are assumed to behave competitively, producing as much oil as they can profitability extract at the market price for oil. As a result, the OPEC member countries will be able effectively to set the price of oil when they can act in concert by varying their aggregate production. Alternatively, OPEC members could target a fixed level of production and let the world market determine the price.
The Manhattan Project: Science in the Second World War
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Gosling, F.G.
AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched Ferromagnetism inS-4500IIVasudhaSurface.Laboratory in Golden, Colorado6
Comparison of Battery Life Across Real-World Automotive Drive-Cycles (Presentation)
Laboratories run around-the-clock aging tests to try to understand as quickly as possible how long new Li-ion battery designs will last under certain duty cycles. These tests may include factors such as duty cycles, climate, battery power profiles, and battery stress statistics. Such tests are generally accelerated and do not consider possible dwell time at high temperatures and states-of-charge. Battery life-predictive models provide guidance as to how long Li-ion batteries may last under real-world electric-drive vehicle applications. Worst-case aging scenarios are extracted from hundreds of real-world duty cycles developed from vehicle travel surveys. Vehicles examined included PHEV10 and PHEV40 EDVs under fixed (28 degrees C), limited cooling (forced ambient temperature), and aggressive cooling (20 degrees C chilled liquid) scenarios using either nightly charging or opportunity charging. The results show that battery life expectancy is 7.8 - 13.2 years for the PHEV10 using a nightly charge in Phoenix, AZ (hot climate), and that the 'aggressive' cooling scenario can extend battery life by 1-3 years, while the 'limited' cooling scenario shortens battery life by 1-2 years. Frequent (opportunity) charging can reduce battery life by 1 year for the PHEV10, while frequent charging can extend battery life by one-half year.
Smith, K.; Earleywine, M.; Wood, E.; Pesaran, A.
Peak Population: Timing and Influences of Peak Energy on the World and the United States
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Warner, Kevin 1987-
Home About Us Contact Us News Case Studies CI World Media Centre Careers Investor Select Location
for those living and working in the local communities. Timber companies and Governments are using CI World Helveta Trailer Home > CI World > CI World for Forestry CI World for Forestry Timber supply chain and environmental future of their local communities. Illegal logging and timber sustainability Worldwide
Modelling the world economy at the 2050 horizon Jean Four1
Economics Papers; Ward (2011), "The World in 2050: Quantifying the Shift in Global Economy", HSBC Global
Economics for a Creative World1 ROGER KOPPL
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Figures of the World Healthcare Organisation show that stroke
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Demirel, Melik C.
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Over the long term, the Annual Energy Outlook 2007 (AEO) projection for world oil prices -- defined as the average price of imported low-sulfur, light crude oil to U.S. refiners -- is similar to the AEO2006 projection. In the near term, however, AEO2007 projects prices that are $8 to $10 higher than those in AEO2006.
WORLD EXCLUSIVE Ugly scenes greeted workers yesterday as they ar-
.50 it was licensed for use only in recovering drug addicts who chose the treatment. Since then, Cerebetter has wasted that clinics can now inject addicts under their care with- out needing their consent. Some commentators think- rived at the HQ of Cerebetter, the pharmaceutical company behind the world's first anti-addiction im
Rambaut, Andrew
Biofuels' Time of Transition Achieving high performance in a world
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World Data Center for Human Interactions in the Environment
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World Shale Gas Resources: An Initial Assessment of 14 Regions
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Capturing Carbon Will it work to cool the world?
Capturing Carbon Will it work to cool the world? Speakers: Dr. Malcolm Wilson Chief Executive in Exploration Geophysics Department of Geoscience, University of Calgary Theme Leader for Secure Carbon Storage, Carbon Management Canada Don Wharton Vice-President, Sustainable Development TransAlta Corporation
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oil and natural gas. Click here or on this symbol in the toolbar to return. U.S. GEOLOGICAL SURVEY) for conventional oil plus natural gas. Click here or on this symbol in the toolbar to return. U.S. GEOLOGICAL (USGS) periodically conducts geology-based assessments of the oil and gas resources of the world
Energy in the Developing World Physics of Sustainable Energy
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Rogers, John A.
Prediction Games in Infinitely Rich Worlds [Extended Abstract
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Big stakes for Indonesia and the world The Jakarta Post ,
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Blending world map projections with Flex Projector Bernhard Jennya
Projector and then documents the new approaches to projection blending. The integration of the three methods into Flex Projector makes creating new projections simple and easy to control and allows the user.flexprojector.com) is a free, open- source, cross-platform application with a graphical user interface for designing world map
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EXECUTIVE SUMMARY By USGS World Energy Assessment Team
petroleum and reserve growth for oil, gas, and natural gas liquids (NGL). Figures Figure ES-1. Graph showing estimates of reserve growth and undiscovered resources. [in Billion Barrels of Oil Equivalent (BBOE conventional oil, gas and NGL in BBOE. For each commodity, the estimated reserve growth from the 2000 World
YOUR WORLD, YOUR FUTURE www.ucd.ie/science
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Peaking of world oil production: Impacts, mitigation, & risk management
The peaking of world oil production presents the U.S. and the world with an unprecedented risk management problem. As peaking is approached, liquid fuel prices and price volatility will increase dramatically, and, without timely mitigation, the economic, social, and political costs will be unprecedented. Viable mitigation options exist on both the supply and demand sides, but to have substantial impact, they must be initiated more than a decade in advance of peaking.... The purpose of this analysis was to identify the critical issues surrounding the occurrence and mitigation of world oil production peaking. We simplified many of the complexities in an effort to provide a transparent analysis. Nevertheless, our study is neither simple nor brief. We recognize that when oil prices escalate dramatically, there will be demand and economic impacts that will alter our simplified assumptions. Consideration of those feedbacks will be a daunting task but one that should be undertaken. Our aim in this study is to-- � Summarize the difficulties of oil production forecasting; � Identify the fundamentals that show why world oil production peaking is such a unique challenge; � Show why mitigation will take a decade or more of intense effort; � Examine the potential economic effects of oil peaking; � Describe what might be accomplished under three example mitigation scenarios. � Stimulate serious discussion of the problem, suggest more definitive studies, and engender interest in timely action to mitigate its impacts.
Hirsch, R.L. (SAIC); Bezdek, Roger (MISI); Wendling, Robert (MISI)
Computer Games and Virtual Worlds for Health, Assistive
in Game Development for Motor Deficit Rehabilitation, ACM 2008 Intern. Conf. Advances in Computer;11 "Gowning" training game, developed at UCI GameLab #12;12 · Virtual worlds (like Second Life) can be used avatars, device data collection, device software updates, collaborative product/prototype development
QUICK FACTS Only 22% of the world's fisheries are sustainable
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Parallel Processing Letters fc World Scientific Publishing Company SCHEDULING ISSUES Department, University of Idaho Moscow, Idaho 83844-1010, USA and AZAD AZADMANESH Computer Science Department, University of Nebraska at Omaha Omaha, Nebraska 68182-0500, USA and MILES McQUEEN Idaho National Engineering
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Electricity Innovation and Health Care in the Developing World
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World Conference on Earthquake Engineering Vancouver, B.C., Canada
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Gupta, Vinay Kumar
mong the biggest chal-lenges the world faces
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The role of real-world size in object representation
Every object in the world has a physical size which is intrinsic to how we interact with it: we pick up small objects like coins with our fingers, we throw footballs and swing tennis rackets, we orient our body to bigger ...
Konkle, Talia (Talia A.)
liquid fuels: 1) Improved Oil Recovery (IOR) can marginally increase production from existing reservoirs oil production declines from reservoirs that are past their peak production: 2) Heavy oil / oil sandsPEAKING OF WORLD OIL PRODUCTION: IMPACTS, MITIGATION, & RISK MANAGEMENT Robert L. Hirsch, SAIC
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that occurred on a production site of EGEE and the troubleshooting process for each case. Finally, we proposeParallel Processing Letters fc World Scientific Publishing Company FAILURE MANAGEMENT IN GRIDS infrastructure [1] in the context #12;Parallel Processing Letters of a drug-design effort [12], indicate
Pallis, George
"the most valuable birds in the world": International Conservation Science and the Revival of Peru's Guano Industry, 1909-1965
of the most arid, least productive natural environments in the world. This dryness inhibits both the microbiological breakdown of uric acid (C5H4N3O3) and the leaching of water-soluble ammonia (NH3) and ammonium salts (NH4 +) from guano deposits and makes... under his command. Farmers also received propaganda and scientific studies from CAG that promoted scientific agriculture, including a monthly illustrated Bolet�n (1925� 1967). These publications provided a vital public outlet for scientific research...
Cushman, Gregory T.
Future World Energy Constraints and the Direction for Solutions
This paper was originally written in response to the concern that rising levels of CO2 in the atmosphere caused by burning of fossil fuels will ultimately contribute to global warming. Now we are beginning to see evidence of coming problems in the supply of fuels for transportation. This paper describes the benefits of adequate energy supply and the problems of future energy supply. Partial solutions are suggested for immediate application as well as longer term solutions to address both of these concerns. To evaluate the situation and solutions we must understand: (1) how much primary energy is currently used world-wide and might be needed in 2100, (2) how important energy is to the welfare of people, (3) the forms of energy sources and end uses and (4) where new sources may come from. The major portion of world primary energy demand is provided by fossil fuels. This portion dropped from 93% in 1970 to 85% in 1995, mainly because of the increased use of nuclear energy. How ever, since the mid-1990s fossil fuels have maintained their 85% share of world energy supply. The importance of the relationship between per capita energy consumption and per capita income for the world is discussed. The limits of conservation, energy efficiency and renewable energies are examined. The contribution of renewable energies is compared to 41 different views of world energy demand in 2100. Without new technology for large scale storage of intermittent electricity from wind and solar the contribution of renewable energies is not likely to grow significantly beyond the current level of 7-8%. The paper offers conclusions and partial solutions that we can work on immediately. Examination of the forms of energy supplied by the sun, which is powered by nuclear fusion, and the way in which nuclear fission currently supplies energy to the world sets the research framework for longer term solutions. This framework points towards two possible longer term complementary res earch projects which take advantage of the concentrated energy and portability of nuclear fission: (1) to find ways of extending nuclear fission to smaller transportation and heating applications and (2) to develop nuclear fusion for manufacturing fissionable materials.
Lightfoot, H.D.
ARM: Surface Radiation Measurement Quality Control testing, including climatologically configurable limits
DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]
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Hodges, Gary; Stoffel, Tom; Kutchenreiter, Mark; Kay, Bev; Habte, Aron; Ritsche, Michael; Morris, Victor; Anderberg, Mary
Spherically symmetric solutions and gravitational collapse in brane-worlds
We consider spherically symmetric solutions within the context of brane-world theory without mirror symmetry or any form of junction conditions. For a constant curvature bulk, we obtain the modified Tolman-Oppenheimer-Volkoff (TOV) interior solutions in two cases where one is matched to a schwarzschild-de Sitter exterior while the other is consistent with an exterior solution whose structure can be used to explain the galaxy rotation curves without postulating dark matter. We also find the upper bound to the mass of a static brane-world star and show that the influence of the bulk effects on the interior solutions is small. Finally, we investigate the gravitational collapse on the brane and show that the exterior of a collapsing star can be static in this scenario.
Heydari-Fard, Malihe [Department of Physics, The University of Qom, Qom 37185-359 (Iran, Islamic Republic of)] [Department of Physics, The University of Qom, Qom 37185-359 (Iran, Islamic Republic of); Sepangi, Hamid R., E-mail: email@example.com, E-mail: firstname.lastname@example.com [Department of Physics, Shahid Beheshti University, Evin, Tehran 19839 (Iran, Islamic Republic of)
The perfect heist : recipes from around the world.
Of the many facets of the criminal world, few have captured society's fascination as has that of high stakes robbery. The combination of meticulousness, cunning, and audacity required to execute a real-life Ocean's Eleven may be uncommon among criminals, but fortunately it is common enough to extract a wealth of lessons for the protection of high-value assets. To assist in informing the analyses and decisions of security professionals, this paper surveys 23 sophisticated and high-value heists that have occurred or been attempted around the world, particularly over the past three decades. The results, compiled in a Heist Methods and Characteristics Database, have been analyzed qualitatively and quantitatively, with the goals of both identifying common characteristics and characterizing the range and diversity of criminal methods used. The analysis is focused in six areas: (1) Defeated Security Measures and Devices, (2) Deception Methods, (3) Timing, (4) Weapons, (5) Resources, and (6) Insiders.
Lafleur, Jarret Marshall; Purvis, Liston Keith; Roesler, Alexander William; Westland, Paul [U.S. Naval Academy, Annapolis, MD
The emerging multi-polar world and China's grand game
This talk outlines a scenario describing an emerging multipolar world that is aligned with geographical regions. The stability and security of this multipolar world is examined with respect to demographics, trade (economics), resource constraints, and development. In particular I focus on Asia which has two large countries, China and India, competing for resources and markets and examine the emerging regional relations, opportunities and threats. These relationships must overcome many hurdles - the Subcontinent is in a weak position politically and strategically and faces many threats, and China's growing power could help stabilize it or create new threats. Since the fate of 1.5 billion (2.4 billion by 2050) people depends on how the Subcontinent evolves, this talk is meant to initiates a discussion of what China and India can do to help the region develop and stabilize.
Gupta, Rajan [Los Alamos National Laboratory
Nuclear energy in a nuclear weapon free world
The prospect of a nuclear renaissance has revived a decades old debate over the proliferation and terrorism risks of the use of nuclear power. This debate in the last few years has taken on an added dimension with renewed attention to disarmament. Increasingly, concerns that proliferation risks may reduce the prospects for realizing the vision of a nuclear-weapon-free world are being voiced.
Pilat, Joseph [Los Alamos National Laboratory
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