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1、JournalofSoutheastUniversity(EnglishEdition)Vol.26,No.2,pp.151-155June2010ISSN1003—7985BenchmarkingofenergyefficiencystandardsforresidentialbuildingsinChina12ChenHuaLeeWeiling1(TianjinKeyLaboratoryofRefrigerationTechnology,TianjinUniversityofCommerce,Tianjin300100,China)2
2、(DepartmentofBuildingServicesEngineering,theHongKongPolytechnicUniversity,HongKong,China)Abstract:InordertobenchmarktheenergyefficiencystandardsChina.InJuly,2003,adesignstandardforenergyefficiencyforresidentialbuildingsinChina,theHongKongbuildingofresidentialbuildingsinho
3、tsummerandwarmwinter[3]environmentassessmentmethod(HK2BEAM)ischosenasthezones(JGJ75—2003)wasalsoissued.Althoughtheener2compliancecriteriaforassessment.TheannualenergygycodesinChinahavebeendevelopedovertwodecades,noconsumptionandtheoverallthermaltransfervalue(OTTV)ofainfor
4、mationabouttheeffectivenessoftheenergycodesorbaselineresidentialbuildingprescribedintheChinesecodesandwhethertheyhavebeenwellreceivedbytheindustryhastheHK2BEAMareevaluatedandcomparedbytheenergybeenpublished.ThereareonlycritiquesabouttheChinesebudgetapproach.Theresultsshow
5、thatintheChinesecodes,thecodesnotcomparabletosimilarcodesusedindevelopedOTTVoftheresidentialbuildingislower,buttheannualenergycountries,especiallyfortherequirementsconcerningheatconsumptionandthecoolingloadarehigherthanthoseinthetransfercoefficientsandair2tightnessindices
6、ofthebuildingHK2BEAM.Theannualenergyusedifferenceamountsto[4]envelope.1314%.AllthecompliancecriteriaexcepttheventilationrateHongKongisgeographicallylocatedatthehotsummerandtheequipmentpowerintheChinesecodesaresethigherandwarmwinterzoneofChinaandisoftenconsideredasathantho
7、seintheHK2BEAM.However,thecompliancecriteriadevelopedcity.Theenergyrequirementsofthecommercialoftheventilationrateandtheequipmentpower,especiallythesectoraccountedfor59%ofthetotalenergyconsumptioninventilationrate,resultinmuchenergyconsumption,whichultimatelyinducesahighe
8、nergybudgetforresidential1997andexhibitedanincreaseof5%overtheprevious[5]buildings.years.Underth
