ASTM E1424-1991(2008) 在试样两侧特定压力和温度差下透过外窗,护墙和门的空气漏泄率的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingtheRateofAirLeakageThroughExteriorWindows,CurtainWalls,andDoorsUnderSpecifiedPressureandTemperatureDifferencesAcrosstheSpecimen
【原文标准名称】:在试样两侧特定压力和温度差下透过外窗,护墙和门的空气漏泄率的标准试验方法
【标准号】:ASTME1424-1991(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E06.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:airleakage;curtainwalls;differentialtemperature;doors;fenestration;energyanalysis;laboratorymethod;staticpressurechamber;testmethod;testing;windows;Airleakagetesting--buildingmaterials/constructions;Buildingenvelopes;Curtainwall
【摘要】:Theexteriorbuildingenvelopeanditscomponents(forexample,windowsanddoors)separatetheinteriorconditionedspacesfromexteriorenvironmentalfactorssuchasheat,cold,rain,wind,noisedust,etc.Buildingmaterialsandcomponentscanexpandorcontracttovaryingdegrees,dependingonseasonalanddiurnalexteriorambientairtemperatures.Fluctuationsintheambientairtemperaturescanalterthesealingcharacteristicsofwindows,curtainwalls,anddoorsbychangingweathersealcompressionratios.Thermalexpansionorcontractionofframingmaterialscoupledwiththermalblowingduetotemperaturegradientsthroughtheproduct,andalterationsintheeffectiveleakageareasduetoweathersealshrinkageandcompressionset,canalsosignificantlyaltertheairleakageratesoftheseproductsinfieldserviceapplications.AirleakagetestsperformedusingTestMethodE283(alaboratoryairleakagetestperformedatambienttemperatureconditions)willnotaccountaccuratelyforchangesinairleakageratesthatmayoccurfromdimensionalchangesinfenestrationsystems,materials,andcomponents.Itisrecommendedthattestspecifiersconsultthemanufacturerforrecommendedtesttemperatureextremes.Thisprocedureprovidesameansforevaluatingairleakageratesoffenestrationsystemsundervarioustemperatureandpressureconditionsandairflowdirections.Itisalsoapplicableforuseinevaluatingtheefficiencyofweathersealingproductsinfenestrationsystems.Allairflowratesareconvertedtostandardconditionstoprovideameansofcomparisonbetweenmeasurementsmadeatdifferentambientairtemperatureandpressureconditions.Airleakageratesaresometimesusedforcomparisonpurposes.Suchcomparisonsmaynotbevalidunlessthecomponentsbeingtestedandcomparedareofessentiallythesamesize,configuration,anddesign.1.1Thistestmethodprovidesastandardlaboratoryprocedurefordeterminingtheairleakageratesofexteriorwindows,curtainwalls,anddoorsunderspecifieddifferentialairtemperatureandpressureconditionsacrossthespecimen.1.2Specifiedtemperatureandpressureconditionsarerepresentativeofthosethatmaybeencounteredattheexteriorthermalenvelopeofbuildings,excludingtheeffectsofheatbuildupduetosolarradiation.1.3Thislaboratoryprocedureisapplicabletoexteriorwindows,curtainwalls,anddoorsandisintendedtomeasureonlysuchleakageassociatedwiththeassemblyandnottheinstallation;however,thetestmethodcanbeadaptedforthelatterpurpose.1.4Thisisalaboratoryprocedurefortestingatdifferentialtemperatureconditions.PersonsinterestedinalaboratorytestatambientconditionsshouldreferenceTestMethodE283.PersonsinterestedinafieldtestoninstalledwindowsanddoorsshouldreferenceTestMethodE783.1.5Personsusingthisprocedureshouldbeknowledgeableintheareasofheattransfer,fluidmechanics,andinstrumentationpractices,andshallhaveageneralunderstandingoffenestrationproductsandcomponents.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundunitsgiveninparenthesisareprovidedforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:P31
【国际标准分类号】:91_060_50
【页数】:7P.;A4
【正文语种】:英语