艾美达水冷板散热分析.pdf

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1、SH-BA-05DEA2.5MWLCPPdPreparedbby-RbSRubySunCheckedby-SushilKhandelwalAavid(Shanghai)SystemsCoLtdAavid(Shanghai)SystemsCo.Ltd.SongjiangDistrict,Shanghai,ChinaDate:28Date:28thJanuary2011January2011AAVIDTHERMALLOYConfidentialCustomerVersion1Objective•Designthel

2、iquidcold-platewithbetterthermalperformanceandminimumpossiblepressuredrop.AAVIDTHERMALLOYConfidentialCustomerVersion2DesignConstraintsDeviceSpecifications:IGBT:InfineonFZ2400R17HP4B292PCSInfineonFZ2400R17HP4_B29,2PCSPowerDissipation:2500WattperIGBTTotalpower

3、dissipation:5000WattSize:190x140mmEnvironmentalSpecifications:FluidFlowType:52%Glycol+48%waterAmbientTemperature:45℃FluidFlowRate:15Liters/minuteFluidFlowRate:15Liters/minuteDesignconstraints:MaxBasePlateTemperature<85℃LCPSpecifications:Width:200mm(canbechan

4、ged)Length:434mm(canbechanged)AAVIDTHERMALLOYConfidentialCustomerVersion3LCPModeled&AdditionalInfo•ThecustomeroverallLCPdimensionsisasperthedocument“水冷板设计需求”providedbyDEA.•CFDmodelsfor2LCPdesignsareevaluated:•Case1-AavidLCPdesignpercustomerAavidLCPdesignperc

5、ustomers’sgivenLCPsizegivenLCPsize•Case2-AavidLCPdesignwithmodifiedLCPlength•Water-Glycolsolutionhasfollowingproperties:•Density,ρ=1069kg/m=1069kg/m3•Specificheat,Cp=3340J/KgK•Viscosity,μ=2.57E-003Kg/m-sResults/Comments•Theevaluateddesignskeepsthemaximumtemp

6、eratureonthebaseplatewithintheallowablemaximumtemperature(<85℃).•ByincreasingLCPlength,thermalperformanceisbetterby~19%withsmallincreaseinpressuredrop.AAVIDTHERMALLOYConfidentialCustomerVersion4CustomerCustomers’sLCPSizeLCPSizeinletoutletAAVIDTHERMALLOYConfi

7、dentialCustomerVersion5Case1-AavidLCPdesignperCustomer’sgivenLCPsizeIcepakModelIcepakModel48%water+52%Glycolat45Glycolat45℃LCPBaseIGBT,2500WAAVIDTHERMALLOYConfidentialCustomerVersion6Case1-AavidLCPdesignperCustomer’sgivenLCPsizeHeatsourcedetailIGBT,2500WIGBT

8、,2500WIGBT2500WIGBT,2500W434140200190LCPBaseAAVIDTHERMALLOYConfidentialCustomerVersion7Case1-AavidLCPdesignperCustomer’sgivenLCPsizeSimulationResultsMaximumBaseTemperature,Tmax=80.8℃BaseTemperat