【英文标准名称】:TestMethodForDeterminationOfFireAndThermalParametersOfMaterials,ProductsAndSystemsUsingAnIntermediateScaleCalorimeter(ICAL)
【原文标准名称】:使用中型量热计(ICAL)测定材料、产品和系统的着火和热参数的试验方法
【标准号】:ANSI/ASTME1623-2003
【标准状态】:作废
【国别】:美国
【发布日期】:
【实施或试行日期】:2003-11-01
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:火灾;系统;热量计;产品;材料;仪器装置;试验;导热性;放射率;表面温度;建筑材料;氧消耗;质量损失;燃烧;方程;点火;燃烧特性
【英文主题词】:Buildingmaterials;Burningbehaviours;Calorimeters;Combustion;Emissivity;Equations;Fire;Firesafety;Ignition;Instrumentation;Masslosses;Materials;Oxygenconsumption;Products;Surfacetemperatures;Systems;Tests;Thermalconductivity
【摘要】:Thisfire-test-responsestandardassessestheresponseofmaterials,products,andassembliestocontrolledlevelsofradiantheatexposurewithorwithoutanexternalignitor.Thefire-test-responsecharacteristicsdeterminedbythistestmethodincludetheignitability,heatreleaserates,masslossrates,visiblesmokedevelopment,andgasreleaseofmaterials,products,andassembliesunderwellventilatedconditions.Thistestmethodisalsosuitablefordeterminingmanyoftheparametersorvaluesneededasinputforcomputerfiremodels.Examplesofthesevaluesincludeeffectiveheatofcombustion,surfacetemperature,ignitiontemperature,andemissivity.Thistestmethodisalsointendedtoprovideinformationaboutotherfireparameterssuchasthermalconductivity,specificheat,radiativeandconvectiveheattransfercoefficients,flameradiationfactor,airentrainmentrates,flametemperatures,minimumsurfacetemperaturesforupwardanddownwardflamespread,heatofgasification,nondimensionalheatofgasification(1)andtheflamespreadparameter(seeTestMethodE1321).Whilesomestudieshaveindicatedthatthistestmethodissuitablefordeterminingthesefireparameters,insufficienttestingandresearchhavebeendonetojustifyinclusionofthecorrespondingtestingandcalculatingprocedures.Theheatreleaserateisdeterminedbytheprincipleofoxygenconsumptioncalorimetry,viameasurementoftheoxygenconsumptionasdeterminedbytheoxygenconcentrationandflowrateintheexhaustproductstream(exhaustduct).Theprocedureisspecifiedin11.1.Smokedevelopmentisquantifiedbymeasuringtheobscurationoflightbythecombustionproductstream(exhaustduct).Specimensareexposedtoaconstantheatingfluxintherangeof0to50kW/minaverticalorientation.Hotwiresareusedtoignitethecombustiblevaporsfromthespecimenduringtheignitionandheatreleasetests.Theassessmentoftheparametersassociatedwithflamespreadrequirestheuseoflineburnersinsteadofhotwireignitors.Heatreleasemeasurementsatlowheatfluxlevels(10kW/m)requirespecialconsiderationsasdescribedinSectionA1.1.6.Thistestmethodhasbeendevelopedforevaluations,design,orresearchanddevelopmentofmaterials,products,orassemblies,formathematicalfiremodeling,orforresearchanddevelopment.Thespecimenshallbetestedinthicknessesandconfigurationsrepresentativeofactualendproductorsystemuses.LimitationsofthetestmethodarelistedinSection.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.Firetestingofproductsandmaterialsisinherentlyhazardous,andadequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.Thistestmethodmayinvolvehazardousmaterials,operations,andequipment.SpecificinformationabouthazardisgiveninSection7.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C80
【国际标准分类号】:13_220_50;91_100_01
【页数】:
【正文语种】:英语