IGBT用热管散热器之实验研究与数值分析的开题报告摘要：随着IGBT功率器件的不断发展，如何有效地进行散热成为研究热管散热器的重要问题。本文旨在研究IGBT功率器件的热管散热器，探究其散热性能，并进行数值模拟分析。本文首先介绍了IGBT功率器件的特点和散热器的结构，然后设计了实验方案，通过实验验证了热管散热器的散热性能，并分析了各项参数的变化规律。接着，采用有限元分析软件对热管散热器进行了数值模拟，比较了实验结果和数值模拟结果的差异，进一步验证了实验结果的正确性。研究结果表明，热管散热器可以有效地降低IGBT功率器件的温度，并且在不同工作条件下，热管散热器的散热性能的差异比较显著。通过数值模拟可以更好地理解散热器内部的热传递规律。本文的研究对于提高IGBT功率器件的散热效果，研究热传递规律有一定的参考价值。关键词：IGBT功率器件；热管散热器；实验研究；数值模拟分析Abstract：WiththecontinuousdevelopmentofIGBTpowerdevices,howtoeffectivelydissipateheathasbecomeanimportantissueintheresearchofheatpipeheatsinks.ThepurposeofthispaperistostudytheheatpipeheatsinkofIGBTpowerdevices,exploreitsheatdissipationperformance,andconductnumericalsimulationanalysis.ThispaperfirstintroducesthecharacteristicsofIGBTpowerdevicesandthestructureoftheheatsink.Then,theexperimentalplanisdesigned,andtheheatdissipationperformanceoftheheatpipeheatsinkisverifiedthroughexperiments,andthechangeruleofvariousparametersisanalyzed.Next,finiteelementanalysissoftwareisusedtoperformnumericalsimulationontheheatpipeheatsink,andthedifferencebetweentheexperimentalresultsandthenumericalsimulationresultsiscompared,furtherverifyingthecorrectnessoftheexperimentalresults.TheresearchresultsshowthattheheatpipeheatsinkcaneffectivelyreducethetemperatureofIGBTpowerdevices,andthedifferenceinheatdissipationperformanceoftheheatpipeheatsinkissignificantunderdifferentworkingconditions.Numericalsimulationcanbetterunderstandtheheattransferlawinsidetheheatsink.TheresearchinthispaperhassomereferencevalueforimprovingtheheatdissipationeffectofIGBTpowerdevicesandstudyingtheheattransferlaw.Keywords：IGBTpowerdevice；Heatpipeheatsink；Experimentalstudy；Numericalsimulationanalysis.