ASTM E491-1973(2004)e1 航天飞机热平衡试验用太阳模拟规程
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【英文标准名称】:StandardPracticeforSolarSimulationforThermalBalanceTestingofSpacecraft
【原文标准名称】:航天飞机热平衡试验用太阳模拟规程
【标准号】:ASTME491-1973(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1973
【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】:E21.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:航天运输;模拟;材料;热试验;航天飞行器;航空航天运输;航天技术
【英文主题词】:
【摘要】:1.1Purpose1.1.1Theprimarypurposeofthispracticeistoprovideguidanceformakingadequatethermalbalancetestsofspacecraftandcomponentswheresolarsimulationhasbeendeterminedtobetheapplicablemethod.Carefuladherencetothispracticeshouldensuretheadequatesimulationoftheradiationenvironmentofspaceforthermaltestsofspacevehicles.1.1.2Acorollarypurposeistoprovidethepropertestenvironmentforsystems-integrationtestsofspacevehicles.Anaccuratespace-simulationtestforthermalbalancegenerallywillprovideagoodenvironmentforoperatingallelectricalandmechanicalsystemsintheirvariousmissionmodestodetermineinterferenceswithinthecompletesystem.Althoughadherencetothispracticewillprovidethecorrectthermalenvironmentforthistypeoftest,thereisnodiscussionoftheextensiveelectronicequipmentandproceduresrequiredtosupportsystems-integrationtesting.1.2NonapplicabilityThispracticedoesnotapplytoorprovideincompletecoverageofthefollowingtypesoftests:1.2.1Launchphaseoratmosphericreentryofspacevehicles,1.2.2Landersonplanetsurfaces,1.2.3Degradationofthermalcoatings,1.2.4Increasedfrictioninspaceofmechanicaldevices,sometimescalled"coldwelding,"1.2.5Sunsensors,1.2.6Maninspace,1.2.7Energyconversiondevices,and1.2.8Testsofcomponentsforleaks,outgassing,radiationdamage,orbulkthermalproperties.1.3RangeofApplication1.3.1Theextremediversificationofspace-craft,designphilosophies,andanalyticaleffortmakesthepreparationofabrief,concisedocumentimpossible.Becauseofthis,variousspacecraftparametersareclassifiedandrelatedtotheimportantcharacteristicofspacesimulatorsinachartin.1.3.2Theultimateresultofthethermalbalancetestistoprovethethermaldesigntothesatisfactionofthethermaldesigners.Flexibilitymustbeprovidedtothemtotradeoffadditionalanalyticaleffortforsimulatorshortcomings.Thecombinationofacomprehensivethermal-analyticalmodel,moderncomputers,andacompetentteamofanalystsgreatlyreducestherequirementsforaccuracyofspacesimulation.1.4UtilityThispracticewillbeusefulduringspacevehicletestphasesfromthedevelopmentthroughflightacceptancetest.Itshouldprovideguidanceforspacesimulationtestingearlyinthedesignphaseofthermalcontrolmodelsofsubsystemsandspacecraft.Flightspacecraftfrequentlyaretestedbeforelaunch.Occasionally,testsaremadeinaspacechamberafterasisterspacecraftislaunchedasanaidinanalyzinganomaliesthatoccurinspace.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:V70
【国际标准分类号】:49_140
【页数】:33P.;A4
【正文语种】:
【原文标准名称】:航天飞机热平衡试验用太阳模拟规程
【标准号】:ASTME491-1973(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1973
【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】:E21.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:航天运输;模拟;材料;热试验;航天飞行器;航空航天运输;航天技术
【英文主题词】:
【摘要】:1.1Purpose1.1.1Theprimarypurposeofthispracticeistoprovideguidanceformakingadequatethermalbalancetestsofspacecraftandcomponentswheresolarsimulationhasbeendeterminedtobetheapplicablemethod.Carefuladherencetothispracticeshouldensuretheadequatesimulationoftheradiationenvironmentofspaceforthermaltestsofspacevehicles.1.1.2Acorollarypurposeistoprovidethepropertestenvironmentforsystems-integrationtestsofspacevehicles.Anaccuratespace-simulationtestforthermalbalancegenerallywillprovideagoodenvironmentforoperatingallelectricalandmechanicalsystemsintheirvariousmissionmodestodetermineinterferenceswithinthecompletesystem.Althoughadherencetothispracticewillprovidethecorrectthermalenvironmentforthistypeoftest,thereisnodiscussionoftheextensiveelectronicequipmentandproceduresrequiredtosupportsystems-integrationtesting.1.2NonapplicabilityThispracticedoesnotapplytoorprovideincompletecoverageofthefollowingtypesoftests:1.2.1Launchphaseoratmosphericreentryofspacevehicles,1.2.2Landersonplanetsurfaces,1.2.3Degradationofthermalcoatings,1.2.4Increasedfrictioninspaceofmechanicaldevices,sometimescalled"coldwelding,"1.2.5Sunsensors,1.2.6Maninspace,1.2.7Energyconversiondevices,and1.2.8Testsofcomponentsforleaks,outgassing,radiationdamage,orbulkthermalproperties.1.3RangeofApplication1.3.1Theextremediversificationofspace-craft,designphilosophies,andanalyticaleffortmakesthepreparationofabrief,concisedocumentimpossible.Becauseofthis,variousspacecraftparametersareclassifiedandrelatedtotheimportantcharacteristicofspacesimulatorsinachartin.1.3.2Theultimateresultofthethermalbalancetestistoprovethethermaldesigntothesatisfactionofthethermaldesigners.Flexibilitymustbeprovidedtothemtotradeoffadditionalanalyticaleffortforsimulatorshortcomings.Thecombinationofacomprehensivethermal-analyticalmodel,moderncomputers,andacompetentteamofanalystsgreatlyreducestherequirementsforaccuracyofspacesimulation.1.4UtilityThispracticewillbeusefulduringspacevehicletestphasesfromthedevelopmentthroughflightacceptancetest.Itshouldprovideguidanceforspacesimulationtestingearlyinthedesignphaseofthermalcontrolmodelsofsubsystemsandspacecraft.Flightspacecraftfrequentlyaretestedbeforelaunch.Occasionally,testsaremadeinaspacechamberafterasisterspacecraftislaunchedasanaidinanalyzinganomaliesthatoccurinspace.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:V70
【国际标准分类号】:49_140
【页数】:33P.;A4
【正文语种】:
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