窄通道中納米粒子的熱泳運(yùn)動研究.pdf

1、華北電力大學(xué)(北京)碩士學(xué)位論文窄通道中納米粒子的熱泳運(yùn)動研究姓名：郭淼淼申請學(xué)位級別：碩士專業(yè)：動力工程及工程熱物理；可再生能源與清潔能源指導(dǎo)教師：周濤201203華北電力大學(xué)碩士學(xué)位論文AbstractPowerdemandisextremelyincreasingwiththedevelopingindust巧oft11emodemsocietySomesmallparticleswillbereleasedintheelectr

2、icitydeVelopingprocesses，suchasthesmokesbeingreleasedfrommefossil一如eledpowerplantandfossil一如eledcars，materialprocessingandsomeaccidentofnuclearpowerstation7I’tlesmallparticlesarebadfortheenVironmentandhumanityhealth，espe

3、ciallythenanop叫iclescangetintothelllIman’sbodyeasilyfortheirsomenanometercharacteristics，whichisa伊eatt11reateningforbothplantsalldhumallHowever’itisdimcultforthemodemtecllllologytemoVethenanopaniclesea’ectivelyItisme雛ing

4、如1toinVestigatethethemophoresismech孤ismande能ctiveremovalwaysThetheorymodela11dexperimentweremadetoinvestigatedthet11cnnophoresismechanismofnanoparticlesinanarrowrectallgularchaIlnelItwasfoundt11attllemotionofnanopanicles

5、isinthe廳eemoleculere西on觚dtr鋤sientregion，強(qiáng)dtllenanopaniclesmovewi也“也esecondflow’’characteristicAccordingtochan西ngthenowingmedium，t鋤peratllreg豫dient，di鋤eterofnallop砌icleorthetypeofnaIlopanicles，tlle廿1emophoresisforcesindi虢

6、rentnowconditionswerecalCulatedThercfore，thethen】10phoresissomecharacteristicsofnanopaniclesinanarrowrectangularch鋤lelwereobtainedSeloreliancecomputercodeofthemophoresisd印ositionmechanismwasassessedandiInproVedwiththe趾al

7、yticalresultsandtheexperimentaldataThedevelopedcodewasusedto鋤a1)，zeth翎nophoresisd印ositioncharact確sticsItwascalculatedthat，thehighcrt鋤pcratllregradientofvelocityfield，thela瑪ertlle姍ophoresisforcesofnallop叭iclesinthe仔eemole