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【英文标准名称】:StandardPracticeforDeterminingSteadyStateThermalTransmittanceofFenestrationSystems
【原文标准名称】:测定门窗设计系统稳态热转换用标准实施规程
【标准号】:ASTME1423-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E06.51
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:隔热;窗
【英文主题词】:doors;fenestration;heat;heattransfer;hotbox;sky-light;steadystate;surroundpanel;thermalperofrmance;transmittance;U-factor;windows
【摘要】:Thispracticedetailsthetestspecimensizesandtestconditions,namely,theroom-sideandweather-sideairtemperatures,andthesurfaceheattransfercoefficientsforbothsidesofthetestspecimen,whentestingfenestrationproductsinaccordancewithTestMethodC1199.Thethermaltransmittanceandconductanceofaspecimenareaffectedbyitssizeandthree-dimensionalgeometry.Testsshouldthereforebeconductedusingthespecimensizesrecommendedin5.1.Shouldthespecimensizedifferfromthosegivenin5.1,theactualsizeshallbereportedinthetestreport.Manyfactorscanaffectthethermalperformanceofafenestrationsystem,includingdeflectionsofsealedglazingunits.CareshouldbeexercisedtomaintaintheoriginalphysicalconditionofthefenestrationsystemandwhileinstallingitinthesurroundpanelThethermaltransmittanceandconductanceresultsobtaineddonot,andarenotintended,toreflectperformancesexpectedfromfieldinstallationssincetheydonotaccountforsolarradiationandairleakageeffects.Thethermaltransmittanceandconductanceresultsaretakenfromspecifiedlaboratoryconditionsandaretobeusedonlyforfenestrationproductcomparisonsandasinputtothermalperformanceanalysesthatalsoincludesolarandairleakageeffects.1.1ThispracticecoversstandardtestspecimensizesandtestconditionsaswellasthecalculationandpresentationofthethermaltransmittanceandconductancedatameasuredinaccordancewithTestMethodC1199.Thestandardsizesandconditionsaretobeusedforfenestrationproductcomparisonpurposes.Thespecifiermaychooseothersizesandconditionsforproductdevelopmentorresearchpurposes.1.2Thispracticedealswiththedeterminationofthethermalpropertiesofafenestrationsysteminstalledverticallywithouttheinfluencesofsolarheatgainandairleakageeffects.Note18212;Todetermineairleakageeffectsoffenestrationsystems,TestMethodE283orE1424shouldbereferenced.Note28212;SeeAppendixX1regardinggaragedoorsandrollingdoors.1.3Thispracticespecifiestheprocedurefordeterminingthestandardizedthermaltransmittanceofafenestrationtestspecimenusingspecifiedvaluesoftheroom-sideandweather-sidesurfaceheattransfercoefficients,hhandhc,respectively.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P32
【国际标准分类号】:91_060_50;91_120_10
【页数】:12P.;A4
【正文语种】: