ASTM F2732-2009 确定寒冷天气防护服温度额定值的标准实施规程

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【英文标准名称】:StandardPracticeforDeterminingtheTemperatureRatingsforColdWeatherProtectiveClothing
【原文标准名称】:确定寒冷天气防护服温度额定值的标准实施规程
【标准号】:ASTMF2732-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F23.60
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:clothinginsulation;outdoorclothing;temperaturerating;thermalinsulation;thermalmanikin
【摘要】:Thispracticecanbeusedtomeasuretheinsulationprovidedbydifferentcoldweatherclothingsystemsusingaheatedmanikin(seeF1291)andtopredictthetemperatureratingforcomfortusingwholebodyheatlossmodels.Thetemperatureratingisforanensemblex2014;notanindividualgarment.However,manufacturerswanttolabelcoldweathergarmentswithatemperatureratingtohelpconsumersselecttheproductthatwillbestmeettheirneeds.Therefore,thestandardislimitedtogarmentsthatcoverasubstantialamountofbodysurfaceareasuchasjackets,coats,andinsulatedpants,coveralls,orsnowsuits.Thetemperatureratingsofheadwear,footwear,andhandwearcannotbedeterminedwiththispractice.Thetemperaturepredictionsdeterminedbythisstandardpracticeareforadultsonly.Thephysiologyofchildrenissignificantlydifferentfromthatofadults,soamodifiedheatlossmodelwouldneedtobeusedtopredictthecomfortofchildrenwearingoutdoorclothing.Thetemperatureratingsdeterminedbythisstandardpracticeandlistedongarmentlabelsareonlyguidelinesforcomfortandwillbeaffectedbythegarmentsconsumerswearwiththem,theiractivitylevelduringwear,andindividualdifferencesinthephysiologicalcharacteristicsofpeople(forexample,gender,age,bodymass,etc.).1.1Thisstandardpracticecoversthedeterminationofthetemperatureratingofcoldweatherprotectiveclothingensembles.ItinvolvesmeasuringtheinsulationvalueofaclothingensemblewithaheatedmanikininaccordancewithF1291andusingaheatlossmodeltopredictthelowestenvironmentaltemperatureforcomfort.1.2Thepredictivemodelusedinthisstandardestimatestheevaporativeheatlossfromapersonwearingcoldweatherclothingasopposedtomeasuringtheevaporativeresistanceonasweatingmanikin.Ifapersonisactiveandgetsoverheatedinacoldenvironment,he/shecanadjustthegarmentsinordertodissipateexcessheat.1.3Thetemperatureratingsestimatedbythisstandardpracticeareguidelinesforthermalcomfortthataredesignedtoprotectpeoplefromhypothermiawhenwearingcoldweatherprotectivegarments.However,localizedcooling,discomfort,andevenfrostbitecouldstilloccuratextremelylowtemperaturesbecauseclothinginsulationisnotevenlydistributedoverthebodysurface.Inaddition,somebodyparts(forexample,ears,fingers,toes)haveahighsurfacearearelativetotheirmass,andconsequentlyloseheatatafasterratethanotherpartsofthebody.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C73
【国际标准分类号】:61_020
【页数】:7P.;A4
【正文语种】:英语