Product Code:SAE AS6019
Title:Arc Fault Circuit Breaker (AFCB) Aircraft Trip Free Single Phase DC
Issuing Committee:Ae-8b1 Protective Devices Committee
Scope: To provide the military and commerical aerospace industry a standard to qualify DC arc fault circuit breakers.
Rationale: To provide the military and commerical aerospace industry a standard to qualify DC arc fault circuit breakers.【英文标准名称】:StandardTestMethodforDeterminingtheHeatReleaseRateandOtherFire-Test-ResponseCharacteristicsofWallcoveringCompositesUsingaConeCalorimeter
【原文标准名称】:用锥形热量计测定墙面覆层材料的释热率及其它着火试验响应特性的标准试验方法
【标准号】:ASTME1740-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:耐火性;防火安全;释热率;墙面覆层
【英文主题词】:calorimeter;fire;fire-testresponse;heatrelease;ignition;oxygenconsumption;smallscale;wallcovering
【摘要】:Thistestmethodisusedtodeterminethetimetosustainedflamingandheatreleaseofmaterialsandcompositesexposedtoaprescribedheatfluxintheconecalorimeterapparatus.Quantitativeheatreleasemeasurementsprovideinformationthatcanbeusedtocomparewallcoveringsandconstructionsandforinputtofiremodels.Heatreleasemeasurementsprovideusefulinformationforproductdevelopmentbygivingaquantitativemeasureofspecificchangesinfireperformancecausedbycomponentandcompositemodifications.Heatreleasedataobtainedbythistestmethodwillbeinappropriateiftheproductwillnotspreadflameoveritssurfaceunderthefireexposureconditionsofinterest.Variationsinsubstrates,mountingmethods,andadhesivesusedtolaminatecompositeproductswillpotentiallyaffectthetestresponses.Thesevariablesmustbecontrolledduringanycomparativeexperiments.TestLimitations8212;Thetestdataareinvalidifanyofthefollowingoccur:5.6.1Explosivespalling,5.6.2Thespecimenswellssufficientlypriortoignitiontotouchthesparkplugorswellsuptotheplaneoftheheaterbaseduringcombustion,or5.6.3Thesurfacelaminaterollsorcurlswhenplacedundertheradiantheater.Thespecimensaresubjectedtooneormorespecificsetsoflaboratoryconditionsinthisprocedure.Ifdifferenttestconditionsaresubstitutedortheend-useconditionsarechanged,itisnotalwayspossiblebyorfromthistesttopredictchangesinthefire-test-responsecharacteristicsmeasured.Theresultsarethereforevalidonlyforthefiretestexposureconditionsdescribedinthisprocedure.1.1Thisfire-test-responsetestmethodcoversdeterminationoftheignitabilityandheatreleaserateofcompositesconsistingofawallcovering,asubstrate,andalllaminatingadhesives,coatings,andfinishes.Heatreleaseinformationcannotbeusedalonetoevaluatetheflammabilityofwallcoverings.Thedataareintendedtobeusedformodelingorwithotherdatatoevaluateamaterial.1.2Thistestmethodprovidesformeasurementofthetimetosustainedflaming,heatreleaserate,peakandtotalheatrelease,andeffectiveheatofcombustionataconstantradiantheatfluxof35kW/m2.Heatreleasedataatdifferentheatingfluxesarealsoobtainedbythistestmethod.Thespecimenisorientedhorizontally,andasparkignitionsourceisused.1.3Thefire-test-responsecharacteristicsaredeterminedusingtheapparatusandproceduresdescribedinTestMethodE1354.1.4Thetestsareconductedonbench-scalespecimenscombiningthecomponentsusedintheactualinstallation.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.SeeIEEE/ASTMSI-10.1.6Firetestingofproductsandmaterialsisinherentlyhazardous,andadequatesafeguardsforpersonnelandpropertyshallbeusedinconductingthesetests.Thistestmethodpotentiallyinvolveshazardousmaterials,operations,andequipment.1.7Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.8Firetestingofproductsandmaterialsisinherentlyhazardous,andadequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.Thistestmethodmayinvolvehazardousmaterials,operations,andequipment.SpecificinformationabouthazardisgiveninSection6.Thisstandarddoesnotpurporttoaddressallofthesafe......
【中国标准分类号】:Q18
【国际标准分类号】:13_220_50
【页数】:11P.;A4
【正文语种】: