热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

ASTM E491-1973(2010) 航天飞机热平衡试验用太阳模拟的标准实施规程

作者:标准资料网 时间:2024-05-15 19:16:21  浏览:8020   来源:标准资料网
下载地址: 点击此处下载
【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的标准实施规程
【标准号】:ASTME491-1973(2010)
【标准状态】:现行
【国别】:美国
【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】:
【英文主题词】:Irradiance/irradiation--solar;Solarenergy;Thermalanalysis(TA)--aircraft/aerospaceenvironments;Solarspectralirradiance
【摘要】:1.1Purpose:1.1.1Theprimarypurposeofthispracticeistoprovideguidanceformakingadequatethermalbalancetestsofspacecraftandcomponentswheresolarsimulationhasbeendeterminedtobetheapplicablemethod.Carefuladherencetothispracticeshouldensuretheadequatesimulationoftheradiationenvironmentofspaceforthermaltestsofspacevehicles.1.1.2Acorollarypurposeistoprovidethepropertestenvironmentforsystems-integrationtestsofspacevehicles.Anaccuratespace-simulationtestforthermalbalancegenerallywillprovideagoodenvironmentforoperatingallelectricalandmechanicalsystemsintheirvariousmissionmodestodetermineinterferenceswithinthecompletesystem.Althoughadherencetothispracticewillprovidethecorrectthermalenvironmentforthistypeoftest,thereisnodiscussionoftheextensiveelectronicequipmentandproceduresrequiredtosupportsystems-integrationtesting.1.2Nonapplicability8212;Thispracticedoesnotapplytoorprovideincompletecoverageofthefollowingtypesoftests:1.2.1Launchphaseoratmosphericreentryofspacevehicles,1.2.2Landersonplanetsurfaces,1.2.3Degradationofthermalcoatings,1.2.4Increasedfrictioninspaceofmechanicaldevices,sometimescalledx201C;coldwelding,x201D;1.2.5Sunsensors,1.2.6Maninspace,1.2.7Energyconversiondevices,and1.2.8Testsofcomponentsforleaks,outgassing,radiationdamage,orbulkthermalproperties.1.3RangeofApplication:1.3.1Theextremediversificationofspace-craft,designphilosophies,andanalyticaleffortmakesthepreparationofabrief,concisedocumentimpossible.Becauseofthis,variousspacecraftparametersareclassifiedandrelatedtotheimportantcharacteristicofspacesimulatorsinachartin7.6.1.3.2Theultimateresultofthethermalbalancetestistoprovethethermaldesigntothesatisfactionofthethermaldesigners.Flexibilitymustbeprovidedtothemtotradeoffadditionalanalyticaleffortforsimulatorshortcomings.Thecombinationofacomprehensivethermal-analyticalmodel,moderncomputers,andacompetentteamofanalystsgreatlyreducestherequirementsforaccuracyofspacesimulation.1.4Utility8212;Thispracticewillbeusefulduringspacevehicletestphasesfromthedevelopmentthroughflightacceptancetest.Itshouldprovideguidanceforspacesimulationtestingearlyinthedesignphaseofthermalcontrolmodelsofsubsystemsandspacecraft.Flightspacecraftfrequentlyaretestedbeforelaunch.Occasionally,testsaremadeinaspacechamberafterasisterspacecraftislaunchedasanaidinanalyzinganomaliesthatoccurinspace.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:V73
【国际标准分类号】:49_140
【页数】:33P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Safetydevicesforprotectionagainstexcessivepressure-Part6:Application,selectionandinstallationofburstingdiscsafetydevices(ISO4126-6:2003);GermanversionENISO4126-6:2003
【原文标准名称】:过压保护安全设备.第6部分:安全隔板的应用、选择和安装
【标准号】:DINENISO4126-6-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:安全装置;控制技术;安全要求;气动试验;压力;试验;识别牌;使用;压力过载;规范(验收);定义;设计;爆破试验;爆破安全设备;性能试验;压力装置;规范;选择;安全阀;作标记;防爆板;压力容器;爆破压力;抗破碎强度;安装;过压(力
【英文主题词】:
【摘要】:
【中国标准分类号】:K35
【国际标准分类号】:13_240
【页数】:43P;A4
【正文语种】:德语


【英文标准名称】:TestMethodforAppearanceofAdmixturesContainingHalogenatedOrganicSolvents
【原文标准名称】:含卤化有机溶剂的掺和物外观的试验方法
【标准号】:ASTMD3741-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:有机的;试验;外观;药液;溶剂
【英文主题词】:chemicals;appearance;testing;organic;solvents
【摘要】:
【中国标准分类号】:G16
【国际标准分类号】:71_080_20
【页数】:
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1