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ID:33484907
大小:3.73 MB
页数:70页
时间:2019-02-26
《仿生微流道散热器结构优化及流动散热特性的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、ABSTRACTABSTRACTWiththecircuitintegratedelectroniccomponentsmoreandmore,thepowerofcircuitgethigher,andtheheatfluxofcircuitalsogetlarger,thatdecreasetheworkinglifeofcircuit.Designacoolingdeviceisaneffectivesolutiontosolvetheproblemofheattransferforcircuit.Acoolingdevicecools
2、thecircuit,electroniccomponentsinthecircuitcanworkinlow-temperaturecondition,workinglifeofcircuitwouldbeextended.Therearelotsofmicrochannelsexistinnature.liquidflowsinthesemicrochannelsconsumeslesspowerandhaveaneffectivewaytoexchangeenergy,Liquidcoolingdeviceasakindofeffect
3、ivecoolingdevicewhichhasbeenwidelydiscussedalsoneedaneffectivewaytoexchangeenergyandconsumeslesspowertoflow.Itcanlearnformthenaturalmicrochannels.InspiredbythewingveinofLepidopteraandleafveinoftrees,twodesignmentsofbionicmicrochannelforelectronicchipscoolingaredeveloped.Lep
4、idopterawingveinandleafveinhasbeenmeasured.ObservationshavebeenanalyzedaccordingtoHagen-PoiseuilleLaw.Observationsandanalysisdeterminetheparametersoftwobionicmicrochannels.Usingfluiddynamicsfiniteelementanalysissoftware(FLOEFD.Lab10.0)analyzestwobionicmicrochannelsandimprov
5、esit.Thesetwobionicmicrochannelscomparwithfractal-likebranchingmicrochannelandparallelmicrochannel,itprovidesastrongerheattransfercapability,lowerliquidflowpowerconsume.Finally,setupexperimentaldevicesfortwobionicmicrochannelsandfractal-likebranchingmicrochannelandparallelm
6、icrochannel.Testthesefourkindsofmicrochannelsprovethetwobionicmicrochannelshavemoreeffectiveflowandstrongerheattransfer.Keyword:bionicmicrochannel,wingvein,leafvein,ractal-likebranchingmicrochannel,parallelmicrochannelII万方数据目录目录第一章绪论.........................................
7、...................................................................-1-1.1课题背景及意义..........................................................................................-1-1.2国内外研究现状..........................................................................................-
8、4-1.2.1国内外微流道散热研究现状............................................................-4-
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