【英文标准名称】:Ventilationforbuildings-Airterminaldevices-Aerodynamictestingofdampersandvalves
【原文标准名称】:建筑物通风.出气口设备.减振器和阀的空气动力学试验
【标准号】:BSEN1751-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-06-15
【实施或试行日期】:1999-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:压力试验;空气动力学特性;等级(质量);空气分配系统;空调终端设备;热传递系数;空调设备;漏泄试验;准确度;试验条件;数学计算;机械试验;压力测量(流体);通风;扭矩;流量测量;流量率;试验设备;热试验;气流调节器(空调);阀门;通风设备
【英文主题词】:Aerodynamiccharacteristics;Aerodynamicflow;Airconditioning;Airdiffusers;Airdistribution;Airpassage;Air-distributionsystems;Basicdomesticfacilities;Buildingventilation;Buildings;Constructionworks;Dampers;Dampers(airconditioning);Definition;Definitions;Differentialdevices;Flow;Flowrestrictors;Leakage;Mechanicalengineering;Pressure;Serviceinstallationsinbuildings;Shut-offdevices;Symbols;Testing;Thermalenvironmentsystems;Throttlingequipment;Ventilation
【摘要】:ThisEuropeanStandardspecifiesmethodsforthetestingandratingofdampersandvalvesusedinairdistributionsystemswithpressuredifferencesupto2000Pa.ThetestsincorporatedinthisEuropeanStandardare:a)leakagepastacloseddamperorvalve(forclassificationseeannexC);b)casingleakage(forclassificationseeannexC);c)flowrate/pressurerequirementcharacteristics;d)torque:(seeannexA);e)thermaltransmittance:(seeannexB).Theacoustictestingofdampersandvalvesisnotincludedinthisstandard.Thetestsspecifiedaboveapplytothefollowing:a)measurementofleakagepastacloseddamperorvalve;b)measurementofcasingleakage;c)determinationofflowrateandpressurerequirements;d)measurementoftorquecharacteristics(seeannexA);e)measurementofthermaltransfercharacteristicstodetermineinsulationproperties(seeannexB).NOTECertainaspectsofthedynamicperformanceofdampersorvalvesaredependentupontheairdistributionsystemtowhichtheyareconnectedandare,therefore,difficulttomeasureinisolation.SuchconsiderationshaveledtotheomissionoftheseaspectsofthedynamicperformancemeasurementsfromthisEuropeanStandard.Also,incommonwithotherairdistributioncomponents,theresultsfromtestscarriedoutinaccordancewiththisEuropeanStandardmaynotbedirectlyapplicableifthedamperorvalveissituatedinanareaofnon-uniformflow.
【中国标准分类号】:Q76
【国际标准分类号】:91_140_30
【页数】:20P.;A4
【正文语种】:英语