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()SARS,,ANOVELCENTRALAIRCONDITIONINGDESIGNMETHODDEDICATEDOASYSTEMLIUJianjunABSTRACTSARSepidemicsituationhasrevealedseveralcongenitaldisadvantageofthecen2tralairconditioningsystems,thusindicatestheimportanceofbuildingenvironmentsafety.Severalmeasuresareadoptedtoovercomethesedisadvantagesaccordingtothespreadprocessofthecontaminatedmicrobe.AnoveldedicatedOAsystem,whichhasbeenresearchedintensive2lyinEuropeandAmerica,isdescribedindetailinthepaper,includingthecomponents,princi2ple,advantages,designmethodofthededicatedOAsystem.KEYWORDSDedicatedOAsystemBuildingenvironmentsafetySARS100%OAsystem12003(,SARS),349:8590%,,2003430,[1],,,,,2():;;:;()();36200312REFRIGERATIONANDAIR-CONDITIONINGVol.3,No.6December2003,[2]:;2.1,,,,,,,2.22.3,,,,,,(),,,,;,,,VRV,(DedicatedOutdoorAirSystems/DOAS)33.1ANSI/ASHRAEStandard62-1999,20019.11,(Enthalpy/EnergyRecoveryEx2changersForVentilation)(CeilingRadiantCoolingPanels/CRCP),ASHRAEDOE(Current),[3],,,(7,1013),,,,,,,,,:;;,COPVAV,20%,6-7,1020%,+[4];VAV,[5]3.2936:,(1):7,7,,,(2.5),,,,(VRV),,(2):,,1013,,,,,5575%,,,,,,,,(3):,;,,,,(4):,2.5:,,;,;,,,++3.31,:,,,,,,,,,,,1,0431(1;2;3;4;5;6;7;8;9;10;11;12;13;14),,,67,,1,,,,,,,,,,:,,,,3.4:(1),,7,,;(2),,,;(3),,;(4),,;(5),,,;(6),,4,:,,:(1),60%,146:(2),(),69,24(3)(2),,,5,,,VAV,,;,,ESCO,,,,,,,,+,62003SARS,,,,1.200313.2003430.2,..SARS,2003.3KurtW.Roth,DetlefWestphalen,JohnDieckmann,etal.EnergyConsumptionCharacteristicsofCommercialBuildingHVACSystems,Vol2ume:EnergySavingsPotential.2002.4StanleyA.Mumma.ChilledCeilingsinParallelwithDedicatedOutdoorAirSystems:AddressingtheConcernsofCondensation,Capacity,andCost.ASHRAETransactions2002,Vol.108,Part2.5StanleyA.Mumma.EconomicsofImprovedEnvironmentalQuality.ASHRAEIAQApplications.spring,2002.243