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【英文标准名称】:Spacesystems-Fluidcharacteristics,samplingandtestmethods-Part4:Helium
【原文标准名称】:航天系统.流动特性、取样和试验方法.第4部分:氦
【标准号】:ISO15859-4-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC20
【标准类型】:()
【标准水平】:()
【中文主题词】:航天器;化学成分;定义;杂质;航空航天运输;试验;分类系统;航天运输;规范;氦;特性;流体
【英文主题词】:Aerospacetransport;Chemicalcomposition;Classificationsystems;Definition;Definitions;Fluids;Helium;Impurities;Properties;Spacetransport;Spacecraft;Specification;Testing
【摘要】:ThispartofISO15859specifieslimitsforthecompositionofheliumandestablishesthesamplingandtestrequirementsapplicablefortheverificationoftheheliumcomposition.ThispartofISO15859isapplicabletohelium,usedinbothflighthardwareandgroundfacilities,systemsandequipment,ofthefollowingtypesandgrades.—TypeⅠ:gaseous—GradeA:purgingandpressurizinghelium;—GradeF:purgingandpressurizinghelium;—GradeJ:purgingandpressurizinghelium;—TypeⅡ:liquid—GradeA:purgingandpressurizinghelium;—GradeF:purgingandpressurizinghelium.ThispartofISO15859isapplicabletoinfluentsonlywithinthespecifiedlimitsherein.ThispartofISO15859isapplicabletoanysamplingoperationrequiredtoensurethat,whenthefluidentersthelaunchvehicleorspacecraft,thefluidcompositioncomplieswiththelimitsprovidedhereafterorwithanytechnicalspecificationagreedtoforaparticularuse.
【中国标准分类号】:V04
【国际标准分类号】:49_140
【页数】:8P.;A4
【正文语种】:英语