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某高校教室室内热环境分析及数值模拟(英文).docx

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某高校教室室内热环境分析及数值模拟(英文) IndoorThermalEnvironmentAnalysisandNumericalSimulationofaClassroominaCertainUniversity Introduction Theindoorthermalenvironmentisanessentialfactorinmaintainingacomfortableandhealthyenvironmentineducationalsettings.Optimalindoorthermalenvironmentcanimprovethewell-beingandacademicperformanceofstudents.Thisstudyaimstoanalyzeandsimulatethethermalenvironmentofaclassroominacertainuniversity. Methodology Thethermalenvironmentoftheclassroomwasanalyzedusingenergysimulationsoftware.Threemainparameterswereconsidered:airtemperature,airvelocity,andmeanradianttemperature.Thesimulationsoftwarewasusedtocalculatethethermalindicesoftheclassroom,includingmeanradianttemperature(MRT),predictedmeanvote(PMV),andpredictedpercentageofdissatisfied(PPD).Thesimulationmodelwasvalidatedwithfielddatacollectedfromtheclassroom. Results Thesimulationresultsshowedthattheclassroomhadanaverageairtemperatureof25.4°Candanairvelocityof0.3m/s.TheMRTwas23°C,whichwaslowerthantheairtemperature.ThePMVwascalculatedtobe-0.28,whichindicatedthatthestudentswereslightlydissatisfiedwiththethermalenvironment.ThePPDwas7.8%,whichindicatedthatlessthan10%ofthestudentsaredissatisfiedwiththethermalenvironment. Discussion Themeanradianttemperaturewasfoundtobelowerthantheairtemperature,whichindicatedthatthestudentsmayfeelcoolduetotheinfluenceofradiation.ThePMVvaluewasslightlynegative,whichindicatedthatindoorthermalenvironmentdidnotmeetthecomfortrequirements.ThePPDvaluewaslessthan10%,whichsuggestedthatthestudents’comfortlevelswereacceptable.Itisrecommendedthattheclassroom’sthermalenvironmentshouldbeadjustedtomeettheoptimalthermalcomfort. Conclusion Thisstudyanalyzedandsimulatedthethermalenvironmentofaclassroominacertainuniversity.Theresultsindicatedthattheclassroom'sthermalenvironmentwasnotoptimalforthestudents'comfort.Thestudyhighlightstheimportanceofmaintainingoptimalthermalcomfortineducationalsettings,whichultimatelyleadstoimprovedacademicperformanceandwell-beingofstudents.Itisrecommendedthatfurtherstu