电子元器件液体自循环冷却系统的传热特性与实验研究

《电子元器件液体自循环冷却系统的传热特性与实验研究》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、分类号333664题X79218S单位代码：10005学号：S200205030密级：北京工业大学硕士学位论文英文并列塾宝曼!!臻箜壁E￡壁垒逃鲤!曼望亟垦圣卫星堕融!坠垒!墼§呈曼￡￡塾Q￡题目aLiquidSelf-circulatingRadiatorforElectronicComponent．论文报告提交日期2煎5：』：箜学位授予日期授予单位名称和地址Abstr∞t皇—■—置■■■■_II—●—■■—●●■■■—●——●■●——■■■■■■■■■■—量——一AbstractThecoolingtechni

2、queofelectroniccomponentisoneofkeytechniqueswhichshouldbesettledfordevelopmentofelectronictechniqueinthefuture．Withincreasingofelectrorficslug’Sfrequencyanddevelopmentofelectronicslug。Sintegrationandcapsulation，theheatproductivityofelectroniccomponentrapidlyin

3、creases．Nowtheheatflowdensityofelectroniccomponentisupto10'hW／m2—105W／m2，andthatitisincreasingcontinuaUy．Soeffectiveheatradiatorshouldbedesignedtomeettocoolingrequirement，whichhasbecomeoneofimportantsubjectsinheat-transferfield．Thispaperthinksofthissubjectasst

4、udyobjectanddevelopsaneffective，energy-savingliquidself-circulatingradiatorwithoutpumpforelectroniccomponent．Inthispaper,associatingheatfeatureofelectroniccomponentwithrunningenvironment,aliquidself-circulatingradiatorwithoutpumpWasdesignedandproduced．Thenthis

5、radiatorWasusedforelectroniccomponents．Intheexperiment，effectandperformancewefccheckedup．Basedontheradiator,mathematicmodelWassetup．Combingthecalculatingresultwithexperimentalresult,theradiatorwasimproved013．tomakeiteffective．TheresultWaSshown：Withinputpowerin

6、creasing,thetemperature，thepressureandtheflowareincreasing．Asthehighestinputpower115Wischarged，thesmallestthermoresistanceisO．550C／W,thehighestpressureis4，15bar,thehighesttemperatureonthesurfaceofradiatoris78．50C，theoptimalchargeratiois80％～100％，underthisstatio

7、nthebiggestflowis129，thesmallestchargeratiois60％．AmongR123，R11andR113，theperformanceofRl23isthebest．Theonekeytoresolvetheheat-transfereffectliesinmakingtherefrigerantcirculatingrapidlyandcompletely,theotheroneliesindecreasingthethcrmoresistanceofevaporatingsec

8、tion．Theexperimentshowsthatthemathematicmodelcloselyfitstotheradiator．Moreover，theliquidself-circulatingradiatorwithoutpumpisapplicabletoelectroniccomponenLThisstudycanprovidedirec