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1、南京理工大學(xué)碩士學(xué)位論文納米強(qiáng)化傳熱導(dǎo)熱油的制備研究姓名:倪楊申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):材料工程指導(dǎo)教師:熊黨生周宇松20081101工程碩士論文ABSTRACTOilfilledradiatorforalackofnoise,pollution—free,moreandmorebyconsumers,butitistheexistenceofashortcomingsoflargethermalinertiasuchastoincrea
2、seitsthermalconductivityofheatconductionoil,isexpectedtoimprovetheperformanceoftheoilfilledradiatorAneffectivewayofimprovingthethermalconductivityoffuidsistosuspendsmallsolidparticlesinthecarrierfuidsinordertoenhancetran
3、sportproperties,asthethermalconductivityofsolidismuchhigherthanliquidSolidparticlesofmicrometerormillimetermagnitudesdepositeasilyinthebaseliquid,SOanewclassofheattransferfluidscalled”nanofluids”hasbeenproposedNanofluids
4、refertoanewkindofheattransportcarriersbysuspendingnanoscaledmetallicornonmetallicparticlesinbasefluidsNanofluidsareexpectedtoexhibitheattransferpropertiessuperiortothoseofconventionalheattransferfluids111epurposeofthispa
5、peristoenhancethethermalconductivityofheatconductionoilinoilfilledradiatorbysuspendingFe304nanoparticlesTheresearcheffortsforthepreparationofFe304nanoparticles,modificationprocessofFe304nanoparticles,preparationofheatcon
6、ductionoilofenhancedheattransferbynanoparticles,thestabilityofthesuspensiontestthermalconductivitytestandnanoconductingoilpreliminaryenlargeTest,andSOonResearchonnano—particlestobepreparedtostrengthentheheatconductingoil
7、,thedispersionofnanoparticles,highstabilityofthesuspension,twoyearsafterthedepositrateremainsat100%ofthesuspension;nanoparticleswhenthesharevolumereached08percentthethermalconductivityofconductingoilRoomtemperatureincrea
8、seofabout15%,80℃,whenanincreaseofabout26%;usingcentrifugalsettlementdeionizedwater,ColloidalMilldispersedinitialbatchofNano—conductingoil,solutiontothedifficultpreparation,theSUCCESSofatrialbya20foldmagnificationofthesus
9、pensionofnanogoodConductingoil,theapplicationofnanotechnologyinordertofurtherthedevelopmentofnanoconductingoilheattransferenhancementoftheoilradiatorlayafoundationforscienceKeywords:Fe304nanoparticles,heatconductionoil,E
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