径向热管换热器壳程压降数值模拟及参数优化-豆柴文库

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径向热管换热器壳程压降数值模拟及参数优化
Title:NumericalSimulationandParameterOptimizationofShell-SidePressureDropinRadialHeatPipeHeatExchangers
Abstract:
Inrecentyears,radialheatpipeheatexchangershaveemergedasanefficientandcompactsolutionforheattransferinvariousapplications.Theshell-sidepressuredropisacrucialparametertoconsiderinthedesignandoptimizationoftheseheatexchangers.Thispaperpresentsanumericalsimulationandparameteroptimizationstudyontheshell-sidepressuredropinradialheatpipeheatexchangers.Theobjectivewastominimizethepressuredropwhilemaximizingheattransferperformance.Variousparameters,suchastubediameter,tubelength,fluidvelocity,andfingeometry,wereinvestigatedtodeterminetheireffectsontheshell-sidepressuredrop.Theresultsofthesimulationswereusedtooptimizethedesignparametersandimprovetheoverallperformanceoftheheatexchanger.
1.Introduction:
1.1Background
Radialheatpipeheatexchangershavegainedsignificantattentionduetotheirabilitytoachievehighheattransferratesinacompactdesign.Theseheatexchangerscanbeappliedinvariousindustries,includingaerospace,automotive,powergeneration,andelectronicscooling.Thedesignandoptimizationofradialheatpipeheatexchangersrequireathoroughunderstandingoftheshell-sidepressuredropcharacteristics,asitdirectlyaffectstheoverallperformanceandefficiency.
1.2Objective
Theobjectiveofthisstudyistosimulateandanalyzetheshell-sidepressuredropinradialheatpipeheatexchangersusingnumericalmethods.Theaimistoidentifythemainparametersinfluencingpressuredropandoptimizetheirvaluestominimizepressuredropwhileensuringeffectiveheattransfer.
2.Methodology:
2.1NumericalSimulation
Anumericalmodelwasdevelopedusingcomputationalfluiddynamics(CFD)softwaretosimulatetheshell-sideflowandheattransferintheheatexchanger.Themodelconsideredthegeometryoftheheatexchanger,includingthetubearrangement,fingeometry,andinlet/outletconfigurations.Thegoverningequationsforfluidflowandheattransferweresolvedusingasuitableturbulencemodel.
2.2ParameterOptimization
Thesimulationresultswerevalidatedagainstexperimentalda