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[]100228528(2008)0620075206CFD,,,(,100013)[],,,CFD,,,[]CFD;;[]TU83413+3[]ACFDOptimizationAnalysisonVentilationPerformanceofCoolingTowerinDisadvantageousConditionsDUGuo2fu,ZHUQing2yu,FENGXiao2mei,SUNZong2yu(InstituteofBuildingEnvironmentandEnergyEfficiency,ChinaAcademyofBuildingResearch,Beijing100013,China)[Abstract]Theplacementofcoolingtowerisalwaysadifficultproblemwhichpuzzlesdesigners.Thecoolingtowerisusuallyplacedinacovertregionwhenthebuildingappearanceandoperationalnoiseareconsidered.Placingthecoolingtowerinaclosedspacewithonlyanopenroofisanextremeprojectexample.Inthispaper,theventilationperformanceofcoolingtowerintheabovementionedprojectwassimulatedandanalyzedbyCFD.Basingontheevaluationofpresentsituation,retrofitmeasureswereproposed,whichcouldsuccessfullyimprovetheworkingenvironmentandguaranteetheair2conditioningperformance.Inaddition,theeffectivenessofretrofitmeasureswasvalidatedbythewelloperationalperformance.[Keywords]CFD,coolingtower,returnmixingratio[]2007212214[]2008202218[](19762),,,[]fuguodu@1631com1,,,,,,,,,CFD2,21,1218m2,416m2,,,(12),,,,CFD,24620086BUILDINGSCIENCEVol124,No16Jun.200811223311CFD10,3,4,4,2,123,(34),315,CFD6,,312(GB5001922003),3312,4256CFD2614,119mPs,101280000m3Ph,,3121178,,,,9102:,67247891,,,,,,103,2312123,11:1)(3),,70%,2),,(2),,50%,3)(1),30%1%123305182113643374,2111,:;2m212,:;,;;42CFD,,776,:CFD111122411411111131,,,,,14152:,;,,1,1,13141153161,41112217,872416117,18192,,;201,,,,4121232CFD,2,21,,15%2181193201976,:CFD21212123123234446162123139217121125155,,,,,,CFD2,,,,16%,,[][1].[M].1.:,1988.[2].[M].:,1994.[3]SV.[M].1.:,19841(74)3)COP,,COP;,,COP018115,50%,[][1]ConstantinosA.Balaras,GershonGrossman,Hans2MartinHenning,etal.SolarairconditioninginEuropeananoverview[J].Renewable&SustainableEnergyReviews,2007,11:299314.[2]PapadopoulosAM,xizidisSO,yriakisNK.Perspectivesofsolarcoolinginviewofthedevelopmentsintheair2conditioningsector[J].Renewable&SustainableEnergyReviews,2003,7:4194381[3]LampP,ZieglerF.Europeanresearchonsolar2assistedairconditioning[J].InternationalJournalofRefrigeration,1998,21(2):8999.[4]GershonGrossman.Solar2poweredsystemsforcooling,dehumidificationandair2conditioning[J].SolarEnergy,2002,72(1):5362.[5]AbsorptionCooling,HeatingandRefrigerationEquipment[M].ASHRAEHandbook(1988),EquipmentVolume,Chapter13.[6]FactorHM,GrossmanG.PackedbeddehumidifierPregeneratorforsolarairconditioningwithliquiddesiccant[J].SolarEnergy,1980,24(6):541550.[7]OliveiraAC,AfonsoCF.Thermalperformanceofanovelairconditioningsystemusingaliquiddesiccant[J].AppliedThermalEngineering.2000,20(13):12131223.[8]HallidaySP,BeggsCB,SleighPA.TheuseofsolardesiccantcoolingintheUK:afeasibilitystudy[J].AppliedThermalEngineering,2002,22:13271338.[9]HenningMH.Air2conditioningwithsolarenergy[C].SERVITECmeeting,Barcelona,2000.[10],.[J].,2005,35(2):8992.[11]MeiL,DaiYJ.Atechnicalreviewonuseofliquid2desiccantdehumidificationforair2conditioningapplication[J].Renewable&SustainableEnergyReviews,2008,12:662689.[12],,,.[J].,2005,35(1):103110.[13],,,.[J].,2003,33(3):5557.[14],,,.[J].,2005,35(1):115119.[15],,,.[J].,2005,35(1):1101141[16],,,.[J].,2005,35(12):1015.[17]KhalidAhmedCS,GandhidasanP,AL2FarayedhiAA.Simulationofahybridliquiddesiccantbasedair2conditionsystem[J].AppliedThermalEngineering,1997,17(2):12513410824