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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,护墙和门的空气泄漏率的测定方法
【标准号】:ASTME1424-1991(2000)
【标准状态】:现行
【国别】:
【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(ASTM)
【起草单位】:E06.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:门;墙;窗;透气率;试验
【英文主题词】:airleakage;curtainwalls;differentialtemperature;doors;fenestration;energyanalysis;laboratorymethod;staticpressurechamber;testmethod;testingwindows;
【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.PersonsinterestedinafieldtestoninstalledwindowsanddoorsshouldreferenceMethodE783.1.5Personsusingthisprocedureshouldbeknowledgeableintheareasofheattransfer,fluidmechanics,andinstrumentationpractices,andshallhaveageneralunderstandingoffenestrationproductsandcomponents.1.6Throughoutthistestmethod,SIunitsarelistedfirstinaccordancewithASTMCommitteeE-6metricpolicyandshallbeconsideredtheprimaryunits.Inch-poundunitsareprovidedinparenthesis.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,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】:


【英文标准名称】:Adjustablespeedelectricalpowerdrivesystems-Part4:Generalrequirements;Ratingspecificationsfora.c.powerdrivesystemsabove1000Va.c.andnotexceeding35kV(IEC61800-4:2002);GermanversionEN61800-4:2003
【原文标准名称】:可调速的电力驱动系统.第4部分:一般要求.1000V至35KV交流电力驱动系统的额定值规范
【标准号】:DINEN61800-4-2003
【标准状态】:现行
【国别】:德国
【发布日期】:2003-08
【实施或试行日期】:2003-08-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:转速控制;性能;电气工程;定义;尺寸选定;电力电子学;电力变换器;半导体功率转换器;交流电流;传动系统;动力驱动;能量转换;控制设备;低压电器;规格试验;半导体器件;旋转速度;额定功率等级;试验;使用条件;规范(验收);交
【英文主题词】:
【摘要】:
【中国标准分类号】:K04
【国际标准分类号】:29_160_30;29_200
【页数】:118P;A4
【正文语种】:德语