热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

ANSI/ASTM E2188-2002 绝缘玻璃性能试验方法

作者:标准资料网 时间:2024-05-14 23:44:54  浏览:9073   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:TestMethodforInsulatingGlassUnitPerformance
【原文标准名称】:绝缘玻璃性能试验方法
【标准号】:ANSI/ASTME2188-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Q32
【国际标准分类号】:81_040_01
【页数】:
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Mechanicalstandardizationofsemiconductordevices-Part1:Generalrulesforthepreparationofoutlinedrawingsofdiscretedevices(IEC60191-1:2007);GermanversionEN60191-1:2007
【原文标准名称】:半导体器件的机械标准.第1部分:分立器件外形图准备的一般规则
【标准号】:EN60191-1-2007
【标准状态】:现行
【国别】:
【发布日期】:2007-11
【实施或试行日期】:2007-11-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机辅助软件制图;定义;设计;图纸;电气外壳;电气工程;电子工程;电子设备和元件;外壳;工程图;图例;集成电路;作标记;力学;外形图;规则;半导体器件;半导体;标准化;符号
【英文主题词】:Casedrawing;Definition;Definitions;Design;Drawings;Electricenclosures;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Enclosures;Engineeringdrawings;Illustrations;Integratedcircuits;Marking;Mechanic;Outlinedrawings;Rules;Semiconductordevices;Semiconductors;Standardization;Symbols
【摘要】:
【中国标准分类号】:L40
【国际标准分类号】:01_080_40;31_080_01;31_240
【页数】:39P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforThermalPerformanceofBuildingMaterialsandEnvelopeAssembliesbyMeansofaHotBoxApparatus
【原文标准名称】:用高温实验室法测定建筑材料和包装组件热性能的标准试验方法
【标准号】:ASTMC1363-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:C16.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建设工程;热传递;试验方法;空气温度;热阻;试验;热性能
【英文主题词】:buildingassemblies;buildingmaterials;hotbox;testmethod;thermalproperties;thermalresistance
【摘要】:1.1Thistestmethodestablishestheprinciplesforthedesignofahotboxapparatusandtheminimumrequirementsforthedeterminationofthesteadystatethermalperformanceofbuildingassemblieswhenexposedtocontrolledlaboratoryconditions.ThismethodisalsousedtomeasurethethermalperformanceofabuildingmaterialatstandardizedtestconditionssuchasthoserequiredinmaterialSpecificationsC739,C764,C1224andPracticeC1373.1.2Thistestmethodisusedforlargehomogeneousornon-homogeneousspecimens.Thistestmethodappliestobuildingstructuresorcompositeassembliesofbuildingmaterialsforwhichitispossibletobuildarepresentativespecimenthatfitsthetestapparatus.Thedimensionsofspecimenprojectionsorrecessesarecontrolledbythedesignofthehotboxapparatus.Somehotboxesarelimitedtoplanarornearlyplanarspecimens.However,largerhotboxeshavebeenusedtocharacterizeprojectingskylightsandatticsections.See3.2foradefinitionofthetestspecimenandothertermsspecifictothismethod.Note18212;ThistestmethodreplacesTestMethodsC236,theGuardedHotBox,andC976,theCalibratedHotBoxwhichhavebeenwithdrawn.TestapparatusdesignedandoperatedpreviouslyunderTestMethodsC236andC976willrequireslightmodificationstothecalibrationandoperationalprocedurestomeettherequirementsofTestMethodC1363.178;1.3AproperlydesignedandoperatedhotboxapparatusisdirectlyanalogoustotheTestMethodC177guardedhotplatefortestinglargespecimensexposedtoairinducedtemperaturedifferences.Theoperationofahotboxapparatusrequiresasignificantnumberoffundamentalmeasurementsoftemperatures,areasandpower.Theequipmentperformingthesemeasurementsrequirescalibrationtoensurethatthedataareaccurate.Duringinitialsetupandperiodicverificationtesting,eachmeasurementsystemandsensoriscalibratedagainstastandardtraceabletoanationalstandardslaboratory.Ifthehotboxapparatushasbeendesigned,constructedandoperatedintheidealmanner,nofurthercalibrationoradjustmentwouldbenecessary.Assuch,thehotboxisconsideredaprimarymethodandtheuncertaintyoftheresultisanalyzedbydirectevaluationofthecomponentmeasurementuncertaintiesoftheinstrumentationusedinmakingthemeasurements.1.3.1Inanidealhotboxtestofahomogenousmaterialthereisnotemperaturedifferenceoneitherthewarmorcoldspecimenfacestodriveaflankingheatflow.Inaddition,therewouldbenotemperaturedifferencesthatwoulddriveheatacrosstheboundaryofthemeteringchamberwalls.However,experiencehasdemonstratedthatmaintainingaperfectguard/meteringchamberbalanceisnotpossibleandsmallcorrectionsareneededtoaccuratelycharacterizealltheheatflowpathsfromthemeteringchamber.Togainthisfinalconfidenceinthetestresult,itisnecessarytobenchmarktheoverallresultofthehotboxapparatusbyperformingmeasurementsonspecimenshavingknownheattransfervaluesandcomparingthoseresultstotheexpectedvalues.1.3.2Thebenchmarkingspecimensarehomogeneouspanelswhosethermalpropertiesareuniformandpredictable.Thesepanels,orrepresentativesectionsofthepanels,havehadtheirthermalperformancemeasuredonotherdevicesthataredirectlytraceableorhavebeenfavorablycomparedtoanationalstandardslaboratory.Forexample,aTestMethodC177HotPlate,aTestMethodC518HeatMeteroranotherTestMethodC1363HotBoxwillprovideadequatespecimens.NotethattheuseofTestMethodC518orsimilarapparatuscreatesadditionaluncertaintysincethosedevicesarecalibratedusingtransferstandardsorstandardreferencematerials.Byperformingthisbenchmarkingprocess,thehotboxoperatorisabletodeveloptheadditionalequationsthatpredictthemagnitudeofthecorre......
【中国标准分类号】:P20
【国际标准分类号】:91_120_10
【页数】:43P.;A4
【正文语种】:



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1