ASTM D1518-1985(2003) 纺织材料的热传导的标准试验方法

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【英文标准名称】:StandardTestMethodforThermalTransmittanceofTextileMaterials
【原文标准名称】:纺织材料的热传导的标准试验方法
【标准号】:ASTMD1518-1985(2003)
【标准状态】:现行
【国别】:
【发布日期】:1985
【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】:D13.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:机织物;热传递;布;纺织材料;纺织试验;试验
【英文主题词】:batting;textilefabrics;thermaltransmittance
【摘要】:1.1Thistestmethodcoversthedeterminationoftheoverallthermaltransmissioncoefficientsduetothecombinedactionofconduction,convection,andradiationfordryspecimensoftextilefabrics,battings,andothermaterialswithinthelimitsspecifiedin1.2.Itmeasuresthetimerateofheattransferfromawarm,dry,constant-temperature,horizontalflat-plateupthroughalayerofthetestmaterialtoarelativelycalm,coolatmosphere.1.2Forpracticalpurposes,thistestmethodislimitedtodeterminationsonspecimensoffabrics,layeredfabricassemblies,andbattingshavingthermaltransmittances(U2,asdefinedin3.1.2)withinarangeof0.7to14W/m2Kandthicknessesnotinexcessof50mm.1.3Thecoefficientsobtainedapplystrictlyonlytotheparticularspecimenstestedandforthespecifiedthermalandenvironmentalconditionsofeachtest.Thistestmethodgivesvaluesthatarevalidforcomparisonunderthesameconditionsoftest,thatis,withthespecifiedairvelocity,temperaturedifferencebetweenthewarmplateandthecoolair,andairgapformeasuringcoolairtemperature.1.4Thevaluesstatedinmetricunitsaretoberegardedasthestandard.Conversionfactors,forthermalconductanceandconductivityandthermalresistanceandresistivity,tootherunitsincommonusearegivenin1-51.5Thisstandarddoesnotpurporttoaddressthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_30
【页数】:8P.;A4
【正文语种】: