某建筑群室外风环境的CFD模拟与评价

1009-6825201304-0110-02CFD2012-12-071983-1984-121．7300002．710055、。TU834．3A0、、。1。、、。。。“”、2。。1Boussinesq34Reynolds、、、。κ—ε。ρt+divρU=divΓgrad+S1ρΓSUuvwtkεl。、1801。、31。图1网格划分示意图1/m·s－11S2．42NNW2．43NW1．8212．4m/sS。2a。2m/s。2．4m/s。2．5m。。2b7．2m。2．5m/s。。。。。22．4m/sNNW櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅。Oncentralair-conditioneratstudents’centeranditsheatingdesignatShanxiMedicalUniversityWANGYe-huiShanxiArchitecturalDesignandResearchAcademyTaiyuan030013ChinaAbstractThepaperintroducesthedesignfeaturesfortheair-conditionerstheventilationandtheheatingofthestudents’centeratsomemedi-caluniversityofShanximainlyillustratesthedesignfortheair-conditioningwaysthesmokecontroltheautomaticcontroloftheair-condition-erstheenergy-savingandtheheatingandstressesontheimportancefortheenergy-savingintheheatingandventilationdesignandtheoneofthefire-fightingdesign．Keywordsair-conditionersmokecontrolheatingenergy-saving·011·39420132SHANXIARCHITECTUREVol．39No．4Feb．2013图2夏季工况下地面处和距地面7.2m处的速度场3.22.82.421.61.20.80.40.23.22.82.421.61.20.80.40.2a）地面处的速度场b）距地面7.2m处的速度场3a。NNW2m/s。2．3m/s。1．5m。。3b7．2m。“”。。、。、。图3冬季工况下地面处和距地面7.2m处的速度场3.22.82.421.61.20.80.40.23.22.82.421.61.20.80.40.2a）地面处的速度场b）距地面7.2m处的速度场32．8m/sNW。4a。2m/s。2．3m/s。“”2m。。4b7．2m。“”。、SOHO。。。图4全年工况下地面处和距地面7.2m处的速度场3.22.82.421.61.20.80.40.23.22.82.421.61.20.80.40.2a）地面处的速度场b）距地面7.2m处的速度场3、315m/s。22m/s。32m/s。4。52m/s。6“”。7SOHO。、31。22．5m/s。。3。4、、SOHO。5、。1．M．1996．2DavidHutchinsonWind-aplanner’sviewJoumalofmdustrialaero-dynamicsJ．19783117-127．3．M．1991．4．M．1988．CFDsimulationandevaluationofabuildingsgroupoutdoorwindenvironmentLIUShao-feng1RENJie21．NorthwestDesignResearchInstituteLimitedCompanyChinaMunicipalEngineeringLanzhou730000China2．NorthwestBranchBeijingChineseandForeignArchitectureDesignLimitedCompanyXi’an710055ChinaAbstractAccordingtohavebeendesignedbuildingsgroupundersummerwinterandannualthreetypicalworkingconditionsusingnumericalsimulationsoftwareseparatelycarriedonoutdoorwindenvironmentsimulationmainlybasedontheanalysisonvelocityfieldevaluatedrelatedbuildingsgrouparoundoutdoorwindenvironmentqualityundercurrentdesignandputforwardoptimizationsuggestion．Keywordsbuildinggroupnumericalsimulationoutdoorwindenvironmentqualityevaluation·111·39420132CFD