187阳台对低层建筑风压作用下自然通风影响的数值研究李峥嵘

27220112BUILDINGSCIENCEVol.27No.2Feb.20111002-8528201102-0087-05200092。。。CFDTU834.5+1ANumericalResearchontheInfluencesofBalconyonNaturalVentilationundertheWindPressureofLow-riseBuildingsLIZheng-rongAIZheng-taoInstituteofHVAC＆GasCollegeofMechanicalEngineeringTongjiUniversityShanghai200092ChinaAbstractInthispapertheventilationvolumeandtheaveragedairvelocityoftheworkingplaneweretakenastheindexestomeasuretheventilationeffectoftheroomandthemethodofcomputationalfluentdynamicswasadoptedtoanalyzetheinfluencesofbalconyonnaturalventilationunderthewindpressureoflow-risebuildings.Firstthereliabilityofmathematicalmodelwasverifiedthroughexperimentdatainwhichthesimulationresultswerewellconsistentwiththeexperimentresults.Thenthefollowingconclusionsthroughthesimulationwereobtained.Forthesingle-sideventilationbuildingthebalconycouldgreatlyimprovetheventilationperformanceofthemiddleandlowerroomsforthedouble-sideventilationbuildingtheinfluencesofthebalconyontheindoorventilationperformanceweresmallmoreoverthebalconycouldguidetheairintothedeeperareaintheroomandformmoreevenwindenvironmentontheworkingplane.KeywordsbalconyCFDnaturalventilati[e-mail]0Chand1。。PriantoDepecker2-3。、。1。11.1111/305411ME。60cm×25cm×50cm15cm×5cm27×3cm。2VVr。190cm。CPCP=P－PS0.5ρV2rPPaPSPaρkg/m3。1211324。1234。120cm×12.5cm×10cm20cm×25cm×10cm10cm×6.667cm10cm×3.667cm。12～501666663026666303333333315433333315、、W、L、H4～65H5W10H6H。32FLUENT2Vr4m/s。1.2CFDCFD3882FLUENT6.3。FLUENT、6-9。、、、。k-ε4SIMPLE100.5cm120。Boussinesq10。422.1FLUENT6.311。4k-εRNGk-εMCP1。33%。。k-ε。2.2112。56。ACHV1m。121M13E3。。565。433E。2。53498272。。3M。。FLUENT。。34。21M1E2M2E3M3E4M4E5M5E/%223.2175.8914.086.285.2-17.4－51.8－54.735.4120.0。6232。2。。2.31347。。3。32。。、、。3FLUENT6.3151CFDFLUENT7CFD。234。3。4。1ChandIBhargavaPKKrishakNLV.Effectofbalconiesonventilationinducingaeromotiveforceonlow-risebuildingsJ.BuildingandEnvironment1998336385～396.2PriantoEDepeckerP.CharacteristicofairflowastheeffectofbalconyopeningdesignandinternaldivisiononindoorvelocityAcasestudyoftraditionaldwellinginurbanlivingquarterintropicalhumidregionJ.EnergyandBuildings2002344401～409.3PriantoEDepeckerP.Optimizationofarchitecturaldesign092elementsintropicalhumidregionwiththermalcomfortapproachJ.EnergyandBuildings2003353273～280.4MakCMNiuJLLeeCTetal.AnumericalsimulationofwingwallsusingcomputationalfluiddynamicsJ.EnergyandBuildings2007399995～1002.5LiLMakCM.TheassessmentoftheperformanceofawindcatchersystemusingcomputationalfluiddynamicsJ.BuildingandEnvironment20074231135～1141.6JiangYAlexanderDJenkinsHetal.NaturalventilationinbuildingsMeasurementinawindtunnelandnumericalsimulationwithlarge-eddysimulationJ.JournalofWindEngineeringandIndustrialAerodynamics2003913331～353.7ElmualimAA.EffectofdamperandheatsourceonwindcatchernaturalventilationperformanceJ.EnergyandBuildings2006388939～948.8ChiangCMLaiCMChouPCetal.TheinfluenceofanarchitecturaldesignalternativetransomsonindoorairenvironmentinconventionalkitchensinTaiwanJ.BuildingandEnvironment2000357579～585.9ChenQ.VentilationperformancepredictionforbuildingsAmethodoverviewandrecentapplicationsJ.BuildingandEnvironment2009444848～858.10VersteegHKMalalasekeraW.AnIntroductiontoComputationalFluidDynamicsTheFiniteVolumeMethodM.HarlowLongmanScientific＆Technical1995.73564。、。9.5℃15～30℃COP40%～78%。1.J.20082433～10.2.7.9N.2009-02-17.3.J.20077182～84.4.J.200825277～81.5.J.20092911～4.6.J.2007371149～52.7HeZN.ApplicationanddevelopmentofsolarenergyinChinaC//Proceedingsof5thInternationalConferenceonNewEnergySystemsandConversionShanghai2001.8WongYWSumathyK.ThermodynamicanalysisandoptimizationofasolarthermalwaterpumpJ.AppliedThermalEngineering2001215613～627.9Huei-JiunnChenWangDavidWPSih-LiChen.Optimizationofanice-storageair-conditioningsystemusingdynamicprogrammingmethodJ.AppliedThermalEngineering2005252～3461～472.10VincentLemort.AnumericalcomparisonofcontrolstrategiesappliedtoanexistingicestoragesystemJ.EnergyConversionandManagement200647203619～3631.11Wen-ShingLeeYiTingChenTing-HauWu.Optimizationforice-storageair-conditioningsystemusingparticleswarmalgorithmJ.AppliedEnergy20098691589～1595.19