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某超高层公寓变制冷剂流量空调室外机周围热环境数值模拟研究.docx

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某超高层公寓变制冷剂流量空调室外机周围热环境数值模拟研究 Title:NumericalSimulationStudyofHeatEnvironmentSurroundingtheOutdoorUnitofaHigh-riseResidentialBuildingwithVaryingRefrigerantFlowforAirConditioning Abstract: Inrecentyears,thedemandforhigh-riseresidentialbuildingshassignificantlyincreased.Withtheincreasinguseofairconditioningsystemsinthesebuildings,theefficientoperationoftheoutdoorunithasbecomecrucial.Thispaperaimstoinvestigatetheeffectofvaryingrefrigerantflowratesontheheatenvironmentsurroundingtheoutdoorunitofahigh-riseresidentialbuilding.Anumericalsimulationstudyisconductedtoanalyzethethermalperformanceofthesystemandproposepotentialenhancements. 1.Introduction: Therapidgrowthofurbanizationhasledtoanincreasingnumberofhigh-riseresidentialbuildings.Thesebuildingsfaceuniquechallengesintermsofairconditioningduetofactorssuchasheight,windspeed,andarchitecturaldesign.Theoutdoorunit,whichplaysavitalroleintheairconditioningsystem,isexposedtovariousheatsourcesandmustbewell-designedtoensureefficientoperation. 2.LiteratureReview: Areviewofrelevantliteraturerevealsstudiesonheatenvironmentsimulations,optimizationofrefrigerantflowrates,andthermalperformanceofairconditioningsystemsinhigh-risebuildings.Itisessentialtounderstandthepreviousfindingstobuilduponexistingknowledgeandidentifyresearchgaps. 3.Methodology: Thisresearchemploysanumericalsimulationapproachtoanalyzetheheatenvironmentsurroundingtheoutdoorunit.Thekeystepsincludecollectingdataonthebuilding'sgeometry,climateconditions,andHVACsystemspecifications.Varioussoftwaretools,suchascomputationalfluiddynamics(CFD)andheattransfersimulations,areutilizedtomodelthesystem'sthermalperformance. 4.ModelDevelopment: Adetailed3Dmodelofthehigh-riseresidentialbuildingiscreated,includingtheoutdoorunitanditssurroundings.Thesimulationisperformedfordifferentflowratesoftherefrigerant,andthethermalperformancemetrics,suchasheattransfercoefficientsandtemperaturedistributions,areanalyzed. 5.ResultsandDiscussion: Thesimulationresultsprovideinsightsintotheheatenvironments