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微槽群相變冷卻激光器熱管理系統(tǒng)取熱單元相關(guān)基礎(chǔ)及關(guān)鍵技術(shù)研究的開題報(bào)告Title:ResearchontheFundamentalsandKeyTechnologiesofHeatExtractionUnitinMicrochannelGroup-Phase-TransitionCoolingLaserHeatManagementSystemIntroduction:Withtherapiddevelopmentoflasertechnology,high-powersemiconductorlasersarewidelyusedinvariousfields,suchascommunication,industry,anddefense.However,thehighenergydensityandhighheatfluxgeneratedbytheselasersoftencausethermaldamagetothedevices,affectingtheirperformanceandlifespan.Therefore,efficientheatmanagementisessentialforthestableoperationandlonglifespanofthedevice.Microchannelgroup-phase-transitioncoolingtechnologyhasshowngreatpotentialinlaserheatmanagementduetoitshighheattransfercoefficient,lowthermalresistance,andhighreliability.Inthisproject,weaimtoinvestigatethefundamentalsandkeytechnologiesoftheheatextractionunitinamicrochannelgroup-phase-transitioncoolinglaserheatmanagementsystem.Objectives:Theobjectivesofthisprojectareasfollows:1.Investigatethefundamentalsofheattransferinamicrochannelgroup-phase-transitioncoolingsystemandestablishatheoreticalmodelforheatextractionunitdesign.2.Developanumericalsimulationmodeltooptimizetheheatextractionunitdesignparameterssuchaschannelgeometry,refrigerantflowrate,andpressuredrop.3.Fabricatethemicrochannelgroup-phase-transitioncoolingsystemandtheheatextractionunitusingMEMStechnology.4.Experimentallyvalidatetheperformanceoftheheatextractionunitandcompareitwithtraditionalcoolingmethods.Methodology:1.Theoreticalanalysis:Wewillestablishatheoreticalmodeloftheheatextractionunit,whichconsiderstheeffectofvariousparameterssuchaschannelgeometry,refrigerantflowrate,andpressuredroponheattransferperformance.Themodelwillbevalidatedbycomparingwithexperimentaldatafromtheliterature.2.Numericalsimulation:WewilldevelopanumericalsimulationmodelusingcommercialsoftwaresuchasANSYSFluenttooptimizetheheatextractionunitdesignparameterssuchaschannelgeometry,refrigerantflowrate,andpressuredrop.Thesimulationresultswillbecomparedwiththeoreticalandexperimentaldata.3.Fabrication:WewilluseMEMStechnologytofabricatethemicrochannelgroup-phase-transitioncoolingsystemandheatextractionunit.Thefabricationprocesswillbeoptimizedtoachievehighqualityandreproducibility.4.Experimentalvalidation:Wewillconductexperimentstovalidatetheperformanceoftheheatextractionunitandcompareitwithtraditionalcoolingmethodssuchasaircoolingandwatercooling.ExpectedResults:1.Theoreticalmodel:Weexpecttoestablishatheoreticalmodelforheatextractionunitdesignandidentifythekeyparametersthataffecttheperformanceofthesystem.2.Numericalsimulation:Weexpecttooptimizetheheatextractionunitdesignparameterstoachievehighheattransferperformanceandlowthermalresistance.3.Fabrication:Weexpecttofabricatethemicrochannelgroup-phase-transitioncoolingsystemandheatextractionunitwithhighqualityandreproducibility.4.Experimentalvalidation:Weexpecttovalidatetheperformanceoftheheatextractionunitanddemonstratetheadvantagesofthemicrochannelgroup-phase-transitioncoolingsystemovertraditionalcoolingmethods.Conclusion:Thesuccessfulcompletionofthisprojectwillprovideafundamentalunderstandingoftheheattransfermechanisminmicrochannelgroup-phase-transitioncoolinglaserheatmanagementsystemanddevelopkeytechnologiesforthedesignandfabricationoftheheatextractionunit.Theproposedmicrochanne
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