
kann-aakar vitaran

granulometrymadhye, dravpadarthat vikhuralelya kananche kinwa dravpadarthat vikhuralelya kananche kann-aakarache vitaran (pii. ess. dii.) hii mulyanchi yadee kinwa ganiteey karya aahe, jeey aakaranusar upasthit asalelya kananchya sapeksh pramanala, samanyatah vastumananusar, paribhashit karate. matiche vighatan karnyasathi samanyatah lakshaniy urja lagate. pii. ess. dii. madheel kananna nantar dhanya aakar vitaran mhanatat.
mahatva.
ekhadya padarthache bhautik aanee rasayanik gunadharm samajoon ghenyasathi tyacha pii. ess. dii. mahattvacha tharoo shakato. heey khadak aanee matichya samarthya aanee bharavahak gunadharmanvar parinam karate. rasayanik pratikriyanmadhye sahbhagi honanya ghan padarthanchya pratikriyashilatevar yacha parinam hoto aanee mudrak toner, saundaryaprasadhane aanee aushadh utpadane yasarkhya anek audhyogik utpadananmadhye tyavar kadak niyantran thevane aavashyak aahe.
kananchya sankalanat mahatva.
kann aakarache vitaran konatyahi sangrah yantrachya karyakshamtevar mothya pramanat parinam karoo shakate.
sthayik karnare kaksh samanyatah fakt khoop mothe kann gola karatat, jeey chalani tray vaparoon vegale kele jaau shakatat.
kendrapasarak sangrahak samanyatah sumare 20 micronometerparyantche kann gola karatat. uchch karyakshamateche model 10 micronumeterparyantche kann gola karoo shakatat.
kapad filter heey upalabdh dhool gola karananya sarvat karyaksham aanee kifayatshir prakaranpaiki eka aahe aanee atishay sookshm kanansathi 99 takkyanhun adhik sankalan karyakshamta sadhya karoo shakate.
drav vapartat asha ole scrubberna samanyatah ole scrubber mhanatat. yaa pranalinmadhye, scrubbing drav (samanyatah paanee) dhuliche kann asalelya vayoo pravahachya samparkat yete. vayoo aanee drav pravahancha sampark jitka jaast asel, titaki dhool kadhanyachi karyakshamta jaast asel.
sthiravidyut avkshepak dhooliche kann nirgaman vayunpasoon vegale karnyasathi sthiravidyut shaktincha vapar karatat. teey atishay sookshm kananchya sankalanat khoop karyaksham asoo shakatat.
keek galan yantranedvare drav galanyasathi vaparale jaanare filter press. keek tayar karane, keek pratikar aanee kekchi vaishishtye yaat pii. ess. dii. mahatvachi bhoomika bajavate. dravachi galanakshamata mukhyatve kananchya aakaranusar nirdharit kelee jaate.
namkaran.
ρp: vastavik kann ghanata (g/cm3)
ρg: vayoo kinwa namuna matricks ghanata (g/cm3)
r2: nirdharanasathicha kiman-varg gunank. heey moolya 1.0 chya jitke jawal asel, titka deta pratisad chull aanee sahparivartanshil chalanchya sanchatil sambandh darshavina hyperplaneshy adhik changla basato. 1. 0 chya barobariche moolya serve deta hyperplanemadhye purnapane basato heey darshavate.
λ: vayucha sarasari mukt marg (seey. mea.)
dii 50: vastuman-madhyam-vyas (emm. emm. dii.). logg-normal vitaran vastuman madhyam vyas. emm. emm. dii. haah vastumananusar kanancha sarasari vyas manla jaato.
σg: bhaumitik manak vichalan. heey moolya ganitiyadrushtya samikaranadvare nishchit kele jaateh
σg chey moolya kamitakami chauras pratigaman vakrareshecha utaar nirdharit karate.
α: sapeksh manak vichalan kinwa polydispersityche praman. heey moolya ganitiyadrushtya dekhil nishchit kele jaate. 0. 1 peksha qamee mulyansathi, kanancha namuna monodispers manla jaau shakato.
rii (pii): kann reinolds sankhya.
pravah reinolds sankhyesathi nondavalelya mothya sankhyatmak mulyanchya ulat, vayoo madhyamanmadhil sookshm kanansathi kann reinolds sankhya samanyatah 0.00 peksha qamee asate.
sandarbh pravah punarnirdharan sankhya.
kn: kann nodsen sankhya.
prakar.
pii. ess. dii. hii samanyatah jyaa paddhatidvare nirdharit kelee jaate tyanusar paribhashit kelee jaate. chalaniche vishleshan hii nirdharan karanyachi sarvat sahaj samajali jaanari paddhat aahe, jithe vegvegalya aakarachya chalanivar puud vegali kelee jaate. asha prakare, pii. ess. dii. chee vyakhya swatantra aakar shrenichya drushtine kelee jaateh eae.jee. "45 microne aanee 53 microne darmyanchya namunyache%", jevha yaa aakarachya chalanicha vapar keela jaato. pii. ess. dii. samanyatah namunyat upasthit asalelya jawaljawal serve aakarancha samavesh asalelya aakar shrenichya yadivar nirdharit kelee jaate. nirdharan karnyachya kahee paddhati chalanichya vaparadvare midavalelya aakarachya shrenipeksha khoopach arund aakarachya shreni paribhashit karnyas anumati detat aanee chalanit upalabdh asalelya shrenibaheril kananchya aakaranna lagoo hotat. tathapi, eka vishisht aakarachya varche kann "rakhoon thevate" aanee tyaa aakarachya khaliche kann "paas" karate, ashee kalpanik "chalani" chee kalpana serve prakarchya pii. ess. dii. mahitee sadar karnyasathi sarvatrikpane vaparali jaate.
pii. ess. dii. heey "shreni" vishleshan mhanoon vyakt kele jaau shakate, jyamadhye pratyek aakar shrenitil rakkam kramane soochibaddha kelee jaate. teey 'sanchayi' swarupat dekhil sadar kele jaau shakate, jyamadhye ekach kalpanashil 'chalani' dware 'rakhoon thevalele' kinwa 'paas kelele' serve aakaranche ekoon aakar vividh aakaransathi dile jaatat. jevha vishisht aadarsh madhyam-shreni kann aakaracha shodh ghetala jaat asel tevha shreni vishleshan yogya asate, tarr sanchayi vishleshan vaparale jaate jethe "qamee-aakar" kinwa "jaast-aakar" chey praman niyantrit karane aavashyak asate.
jyaa paddhatine "aakar" vyakt keela jaato too vistrut vyakhyansathi khula aahe. eka sadhee paddhat asey gruheet dharate qee kann heey goal aahet jeey chalanitil chauras chhidratun jaatil. vyavharat, kann aniyamit asatat-udaharanarth tantumay padarthanchya babatit-aanee vishleshanadarmyan asha kananche jyaa prakare vaishishtyikaran kele jaate teey vaparlelya mojamapachya paddhativar khoop avalambun asate.
namuna.
pii. ess. dii. nishchit karnyapurvi, pratinidhi namuna midvane mahatvache aahe. vishleshan karnyasathichi samagri vahate asalyas, namuna pravahatoon asha prakare kadhoon ghene aavashyak aahe qee namuna pravahapramane kann aakarache samaan praman asel. heey karnyacha sarvottam marg mhanje sampoorn velesathi pravahacha eka bhag ghenyaivaji eka kalavadhit sampoorn pravahache anek namune ghene.pii. 6 jarr samagri eka dhigamadhye asel, tarr scoop kinwa choranche namune ghene aavashyak aahe, jeey chukiche aaheh powder dhigakade vahat asatana namuna aadarshpane ghetala gela asava.pii. 10 namune ghetalyanantar, namunyache praman samanyatah qamee karane aavashyak asate. vishleshan karnyasathichi samagri kaljipurvak misalali gelee pahije aanee aakarache pruthakkaran talhanari tantre vaparoon namuna mage ghetala pahije, udaharanarth rotarii dividarpacha vapar. 5. namunyat ferfar kartana dandachi haanee talhanyasathi vishesh laksh dile pahije.
mapan tantra.
chalaniche vishleshan.
chalaniche vishleshan anekada tyache sadhepana, swastapana aanee arth lavnyatil sahajata yamule vaparale jaate. joparyant sathavalele praman qamee-adhik pramanat sthir hott nahee toparyant chalanit namuna halavane sope asoo shakate. vaikalpikaritya, namuna abhikriya naan karananya dravane (sahasa paanee) dhuun takala jaau shakato kinwa havechya pravahane udavala jaau shakato.
"fayade": heey tantra mothya pramanat vaparlya jaananya samagrisathi changlya prakare anukool aahe. chalanichya tremadhye mothya pramanat sahitya sahajpane bharata yete. dalalelya chunkhadichi ole-chhatani aanee dalalelya kolashachi koradi chhatani heey choorn udhyogatil done samanya upayog aahet.
"tote": anek pii. ess. dii. heey vyavharik honyasathi chhanani karoon vegale karnyasathi khoop lahan kananshi sambandhit asatat. 37 microne meater chalanisarkhi atishay bareek chalani atyant najuk asate aanee tyatoon jaanyasathi sahitya midvane khoop katheen asate. aanakhi eka gairsoy mhanje namuna chalanyasathi kitee urja vaparali jaate heey aniyantritpane nishchit kele jaate. atee-urjasampann chhatanyamule kananche vighatan hote aanee tyamule pii. ess. dii. badalate, tarr apuri urja sail samooh vighatit karnyat ayashasvi hote. jaree hatane chhatani prakriya aprabhavi asoo shakate, taree pratima vikhandan vishleshan softwarecha vapar karoon svayanchalit chhatani tantradnyan upalabdh aahe. heey tantradnyan samagriche chhayachitra tipun aanee tyache vishleshan karoon samagrichi chalani karoo shakate.
havetil utsarjanache vishleshan.
havah udhvast karoon samagri vegali kelee jaau shakate, jyamadhye ubhya nalisah eka upkaran vaparale jaate jyadvare niyantrit vegane drav vahoon nele jaate. jevha kann sadar kele jaatat, tevha bahutekda bajuchya nalidware, lahan kann drav pravahat vahoon nele jaatat tarr mothe kann varchya pravahat sthir hotat. jarr aapan qamee pravahachya darane suruvat kelee tarr qamee daat kann antim veg prapt karatat aanee pravahasah vahatat, tarr pravahatil kann overflomadhye gola keela jaato aanee mhanoon feedpasoon vegala keela jaeel. uchch aakarachya shreni vegale karnyasathi pravahache praman vadhavale jaau shakate. pahilya nalitoon jasticha pravah mothya cross-sectionchya dusya nalitoon ubhya varchya dishene gela tarr aanakhi aakarache apurnank gola kele jaau shakatat aanee asha nalikanchi sankhya maliket mandali jaau shakate.
"fayade": kendrapasarak vargikaran vaparoon mothya pramanat namunyache vishleshan kele jaate aanee tantra vinashak nasate. bhavishyatil aakar-sambandhit rasayanik vishleshanasathi pratyek cutt-bindu punarprapt keela jaau shakato. heey tantra vayoo pradushan niyantran udhyogat anek dashakanpasun vaparale jaat aahe (niyantran upkarananchya rachnesathi vaparleli mahitee). heey tantra havechya pravahat (paanee kinwa itar kahee dravachya viruddha) sthir veg rakhanyache karya mhanoon kanancha aakar nirdharit karate.
"tote": eka mothya pramanat namuna (sumare daha gramm) midvane aavashyak aahe. heey eka byanpaiki velkhau vishleshanatmak tantra aahe. aprachalitatemule asmene pratyaksh chachani paddhat mage ghetali aahe. tyamule upkarananche calibration sahitya aata upalabdh nahee.
photo vishleshan.
aata prakash vishleshan prakriyedvare samagriche vishleshan kele jaau shakate. chalanichya vishleshanapeksha jeey velkhau aanee achook asoo shakate, mojanyasathichya samgrichya namunyache chhayachitra ghene aanee chhayachitranche vishleshan karnyasathi softwarecha vapar kelyane jalad, achook mojmap houu shakate. aanakhi eka fayda mhanje hatalalyashivay samagriche vishleshan kele jaau shakate. krishi udhyogat heey fayadeshir aahe, kaaran annapadarthanchya hatalanimule pradushan houu shakate. sadhya jagbharatil khankam, vanikaran aanee krishi udhyoganmadhye prakash vishleshan upkarane aanee software vaparale jaat aahe.
optical mojanichya paddhati.
pii. ess. dii. heey sukshmadarshak paddhatine graticulechya viruddha aakar aanee mojani karoon mojale jaau shakate, parantu sankhyikiyadrushtya vaidh vishleshanasathi, lakho kann mojale jaane aavashyak aahe. hatane kele tarr heey ashakyapane katheen aahe, parantu electron micrograph svayanchalit vishleshan aata vyavsayikdrushtya upalabdh aahe. 0. 2 teey 100 micrometerchya shreneet kanancha aakar nirdharit karnyasathi yacha vapar keela jaato.
vidyutarodhak mojanichya paddhati.
yache eka udaharan mhanje coulter counter, jeey chhidratun jaananya dravachya chalakatemadhye honare kshanik badal mojate, jeey vaiyaktik gair-vahak kann tyatoon jaatat tevha hote. kananchi ganana hii daali mojoon kelee jaate. hii naadee sanvedanashil kananchya aakarmanachya pramanat asate.
"fayade": khoop lahan namunedar dravpadarth tapasale jaau shakatat.
"tote": namuna drav madhyamat pasaravala gela pahije... aakar vitaranat badal karoon kahee kann (anshatah kinwa purnapane) madhyamat virghalu shakatat. parinam keval prakshepit cross-sectional kshetrashi sambandhit aahet jeey kann chhidratun jaat asatana visthapit hoto. haah eka bhautik vyas aahe, joou kananchya ganiteey varnanashi kharokhar sambandhit nahee (udaa.jee. antim sthirikaran veg).
avakshepan tantre.
heey chikat dravamadhye latakalelya kananni midavalelya antim vegachya abhyasavar aadharit aahet. utkrusht kanansathi avakshepan vel sarvat jaast asato, mhanoon heey tantra 10 micronometerpeksha qamee aakarasathi upayukt aahe, parantu braunian gatichya prabhavanmule up-micrometer kann vishvasaniyapane mojale jaau shakat naheet. vishisht upkaran namuna dravamadhye vikhurate, nantar velechya antarane stambhachi ghanata mojate. itar tantre drishyaman prakash kinwa ksh-kiran vaparoon salag tharanchi prakashik ghanata nirdharit karatat.
"fayade": heey tantra sthiratechya vegache karya mhanoon kanancha aakar nirdharit karate.
"tote": namuna drav madhyamat pasaravala gela pahije... kahee kann aakar vitaran badalat madhyamant (anshatah kinwa purnapane) virghalu shakatat, jyasathi prasaran madhyamanchi kaljipurvak nivad karane aavashyak asate.
ghanata hii dravachya tapmanat sthir rahnyavar khoop avalambun asate.
ksh-kiran carbon (sendriya) kananchi ganana karnar naheet.
yapaiki anek upkarananna mothya pramanat namunyachi aavashyakta asoo shakate (udaa.jee. done teey paach gramm).
lesar vivartan paddhati.
jevha lesar kiran havetil kinwa dravatil kananchya prasaranatun jaato tevha tayar honanya vikshipt prakashachya 'prabhamandap' chya vishleshanavar heey avalambun asate. kanancha aakar qamee hott asatana vivartan coone vadhato, jenekarun hii paddhat 0.00 teey 3,000 microne meater darmyanche aakar mojanyasathi visheshtah changli aahe. atyadhunik deta processing aanee automationmadhil pragatimule hii audhyogik pii. ess. dii. nirdharanat vaparali jaanari pramukh paddhat bunley aahe. heey tantra tulanene jalad aahe aanee agadi lahan namunyanvar kele jaau shakate. eka vishisht fayda assa aahe qee heey tantra prakriyechya pravahanche vishleshan karnyasathi satat mojmap tayar karoo shakate.
lesar vivartan heey vikhuralelya kananchya namunyatoon lesar kiran jaat asatana vikhuralelya prakashachya tivratetil koneey farak mojoon kananchya aakarache vitaran mojate. mothe kann lesar beemchya sapeksh lahan konanvar prakash vikhuratat aanee lahan kann mothya konanvar prakash vikhuratat. tyanantar, prakash vikhuranyacha maay siddhant kinwa fronhofer andaj vaparoon, vikhuranyacha namuna tayar karnyasathi jababdar asalelya kananchya aakarachi ganana karnyasathi koneey vikhurnyachya tivratechya mahitiche vishleshan kele jaate. kanancha aakar haah aakarmanachya samatulya goal vyas mhanoon nondavala jaato.
lesar aspashtta vel "(lott) kinwa" sankramanachi vel "(tooat).
eka kendrit lesar kiran sthir varanvartet firate aanee namuna madhyamatil kananshi sanvad sadhate.
yadruchchikpane scan kelela pratyek kann lesar beemala tyachya samarpit photo diodemadhye aspasht karato, joou aspashtatecha vel mojato.
adnyatatechya thet mojalelya velet dnyat beam rotation veg gunakar karnyachya sadhya gananechya tattvadvare, (d = v * t) aspashtatechi vel thet kananchya vyasashi sambandhit aahe.
dhwanik spectroscopy kinwa ultrasound ksheenata spectroscopy.
prakashapeksha, hii paddhat dravpadarthat vikhuralelya kananchi mahitee gola karnyasathi ultrasoundcha vapar karate. vikhurlele kann prakashapramanech ultrasound shoshun ghetat aanee vikhuratat. laurd rele yanni 'ultrasound scattering' chaa pahila siddhant vikasit keela aanee 1878 madhye 'daad theary auph sound' heey pustak prakashit kele tevhapasoon heey dnyat jhaale aahe. 20 vya shatkat drav kanandware ultrasound prasaracha abhyas karnare shekado shodhanibandh aale aahet. asey disun yete qee prakashapramanech, 'vikhuraleli urja viruddha coone' mojanyaivaji, ultrasoundchya babatit, 'prasarit urja viruddha varanvarta' mojane haah eka changla paryay aahe. parinami ultrasound ksheenata varanvarta varnapat haah kann aakar vitaranachi ganana karnyasathi kachcha deta aahe. konatyahi drav pranalisathi, konatyahi patal kinwa itar namuna tayar naan karata, teey mojale jaau shakate. yaa paddhaticha haah eka motha fayda aahe. kann aakar vitaranachi ganana hii saiddhantik pratimanvar aadharit aahe, jee micron aanee nanometer scaleveryl vikhuralelya kananchya aakarmananusar 50 takkyanparyant changlya prakare satyapit kelee jaatat. tathapi, jasjase ekagrata vadhate aanee kananche aakar nanoscalechya jawal jaatat, tasatase paramparik modelling vastavik ksheenata varnapat achookpane pratibimbit karnyasathi katarane-lahari punarparivartan prabhav samavisht karanyachi aavashyakta darshavate.
vayoo pradushanache utsarjan mojmap.
cascade impactor-kann dravya eka strotakadun samagatikaritya mage ghetale jaate aanee tapman, daab ityadinchya sampling point exostchya sthiteet cascade impactormadhye aakaranusar vegale kele jaate. kananni bharalelya vayoo pravahatoon kananche namune vegale karnyasathi cascade impactor jadatviy pruthakkaran tattva vapartat. pratyek aakarachya apurnankache vastuman gurutvakarshanachya drushtine nishchit kele jaate. california havai sansadhan mandal paddhat 501 hii sadhya kann aakar vitaran utsarjan mojmapansathi sarvat vyapakpane sweekarli jaanari chachani paddhat aahe.
ganiteey pratiman.
sambhavyata vitaran.
rossin-ramler vitaran.
aata valodi webulche naav denyat aalele vebul vitaran pratham kann aakarachya vitarananche varnan karnyasathi dware olakhale gele aanee pratham lagoo kele gele. khanij prakriyet ajunahi dalanvalan prakriyetil kananchya aakarachya vitaranache varnan karnyasathi yacha mothya pramanavar vapar keela jaato.
kuthe?
ulat vitaran khalilpramane dile jaateh
kuthe?
mapdand andaj.
rossin-ramler vitaranache mapdand vitaran karyala formmadhye refactor karoon nirdharit kele jaau shakatat.
mhanoon eka bhukhandatil reshecha utaar
parameter sootra 4 milate aanee sootra 3 madhye pratisthapan karoon nirdharit kele jaate