Thermal performance of a carbon fiber composite material heat sink in an FC-72.pdf

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1、ExperimentalThermalandFluidScience34(2010)554–561ContentslistsavailableatScienceDirectExperimentalThermalandFluidSciencejournalhomepage:www.elsevier.com/locate/etfsThermalperformanceofacarbonfibercompositematerialheatsinkinanFC-72thermosyphonVenugopalGandik

2、ota,GerardF.Jones,AmyS.Fleischer*NovaThermLaboratory,DepartmentofMechanicalEngineering,VillanovaUniversity,800LancasterAvenue,Villanova,PA19085,UnitedStatesarticleinfoabstractArticlehistory:Thisstudyanalyzestheuseofacarbonfiberepoxyheatsinkforevaporatorsurf

3、aceenhancementinaFC-Received23September200872thermosyphon.Thepin-finheatsinkfeatures945small-cross-section(1.27mmby0.965mm)finsReceivedinrevisedform14October2009fabricatedwithanintegralbaseplate.Thesefinshaveahighthermalconductivity(500W/mK)alongAccepted15Nov

4、ember2009thelengthofthefin.Theinfluenceofheatload,thermosyphonfillvolume,andcondenseroperatingtem-peratureontheoverallthermalperformanceisexamined.Theresultsofthisexperimentprovidesignif-icantinsightintothepossibleimplementationandpotentialbenefitsofcarbon-fibe

5、rheatsinktechnologyKeywords:intwo-phaseflowleadingtosignificantimprovementsinthermalmanagementstrategiesforadvancedThermosyphonelectronics.Two-phaseflowBoilingheattransferÓ2009ElsevierInc.Allrightsreserved.Compositeheatsinks1.Introductionmancealthoughotherstu

6、dieshavefoundnolink,aswillbediscussedbelow.AsthesizeofelectronicdevicescontinuestodecreaseandtheTherehavebeenseveralstudiesofthermosyphonsspecificallyfunctionalityandpowercontinuetoincrease,powerdensitiesareforelectronicscoolingapplications.PalmandTengblad[

7、1]presentreachingthelevelwhereforcedaircoolingceasestobeaneffectiveacomprehensiveliteraturereviewoftheuseofheatpipesandthermalmanagementtechnique.Asaresult,thereisarenewedthermosyphonsforcoolingofelectroniccomponents.Thermosy-interestintheuseofliquidcoolin

8、gtechniquesandaneedforinno-phonsarerecommendedoverheatpipesforallapplicationsexceptvativethermalsolutions.thosewithhorizontalorientationduetothefactthatthegravityThepassivenatureofthermosyphonsmakesthemanattr