納米強(qiáng)化傳熱導(dǎo)熱油的制備研究.pdf

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