ASTM C1043-2006 使用圆形线性加热源的护热板设计的标准实施规程
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【英文标准名称】:StandardPracticeforGuarded-Hot-PlateDesignUsingCircularLine-HeatSources
【原文标准名称】:使用圆形线性加热源的护热板设计的标准实施规程
【标准号】:ASTMC1043-2006
【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】:C16.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:建筑;测定;热传递;加热器;测量仪器;工艺;特性;温度;隔热
【英文主题词】:guardedhotplateapparatus;heatflow;linesourceheater;steadystate;thermalconductivity;thermalinsulation;thermalresistance
【摘要】:1.1Thispracticecoversthedesignofacircularline-heat-sourceguardedhotplateforuseinaccordancewithTestMethodC177.Note18212;TestMethodC177describestheguarded-hot-plateapparatusandtheapplicationofsuchequipmentfordeterminingthermaltransmissionpropertiesofflat-slabspecimens.Inprinciple,thetestmethodincludesapparatusdesignedwithguardedhotplateshavingeitherdistributed-orline-heatsources.1.2Theguardedhotplatewithcircularline-heatsourcesisadesigninwhichthemeterandguardplatesarecircularplateshavingarelativelysmallnumberofheaters,eachembeddedalongacircularpathatafixedradius.Inoperation,theheatfromeachline-heatsourceflowsradiallyintotheplateandistransmittedaxiallythroughthetestspecimens.1.3Themeterandguardplatesarefabricatedfromacontinuouspieceofthermallyconductivematerial.Theplatesaremadesufficientlythickthat,fortypicalspecimenthermalconductances,theradialandaxialtemperaturevariationsintheguardedhotplatearequitesmall.Byproperlocationoftheline-heatsource(s),thetemperatureattheedgeofthemeterplatecanbemadeequaltothemeantemperatureofthemeterplate,thusfacilitatingtemperaturemeasurementsandthermalguarding.1.4Theline-heat-sourceguardedhotplatehasbeenusedsuccessfullyoverameantemperaturerangefrom10to+65176;C,withcircularmetalplatesandasingleline-heatsourceinthemeterplate.Thechronologicaldevelopmentofthedesignofcircularline-heat-sourceguardedhotplatesisgiveninRefs(1-9).1.5Thispracticedoesnotpreclude(1)lowerorhighertemperatures;(2)plategeometriesotherthancircular;(3)line-heat-sourcegeometriesotherthancircular;(4)theuseofplatesfabricatedfromceramics,composites,orothermaterials;or(5)theuseofmultipleline-heatsourcesinboththemeterandguardplates.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:17_200_10
【页数】:16P.;A4
【正文语种】:
【原文标准名称】:使用圆形线性加热源的护热板设计的标准实施规程
【标准号】:ASTMC1043-2006
【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】:C16.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:建筑;测定;热传递;加热器;测量仪器;工艺;特性;温度;隔热
【英文主题词】:guardedhotplateapparatus;heatflow;linesourceheater;steadystate;thermalconductivity;thermalinsulation;thermalresistance
【摘要】:1.1Thispracticecoversthedesignofacircularline-heat-sourceguardedhotplateforuseinaccordancewithTestMethodC177.Note18212;TestMethodC177describestheguarded-hot-plateapparatusandtheapplicationofsuchequipmentfordeterminingthermaltransmissionpropertiesofflat-slabspecimens.Inprinciple,thetestmethodincludesapparatusdesignedwithguardedhotplateshavingeitherdistributed-orline-heatsources.1.2Theguardedhotplatewithcircularline-heatsourcesisadesigninwhichthemeterandguardplatesarecircularplateshavingarelativelysmallnumberofheaters,eachembeddedalongacircularpathatafixedradius.Inoperation,theheatfromeachline-heatsourceflowsradiallyintotheplateandistransmittedaxiallythroughthetestspecimens.1.3Themeterandguardplatesarefabricatedfromacontinuouspieceofthermallyconductivematerial.Theplatesaremadesufficientlythickthat,fortypicalspecimenthermalconductances,theradialandaxialtemperaturevariationsintheguardedhotplatearequitesmall.Byproperlocationoftheline-heatsource(s),thetemperatureattheedgeofthemeterplatecanbemadeequaltothemeantemperatureofthemeterplate,thusfacilitatingtemperaturemeasurementsandthermalguarding.1.4Theline-heat-sourceguardedhotplatehasbeenusedsuccessfullyoverameantemperaturerangefrom10to+65176;C,withcircularmetalplatesandasingleline-heatsourceinthemeterplate.Thechronologicaldevelopmentofthedesignofcircularline-heat-sourceguardedhotplatesisgiveninRefs(1-9).1.5Thispracticedoesnotpreclude(1)lowerorhighertemperatures;(2)plategeometriesotherthancircular;(3)line-heat-sourcegeometriesotherthancircular;(4)theuseofplatesfabricatedfromceramics,composites,orothermaterials;or(5)theuseofmultipleline-heatsourcesinboththemeterandguardplates.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:17_200_10
【页数】:16P.;A4
【正文语种】:
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