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   真空屏蔽绝热 的翻译结果: 查询用时:0.047秒
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真空屏蔽绝热
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  vacuum shielding thermal insulation
     Characteristic of space heat exchange and performance of the vacuum shielding thermal insulation layer for the extravehicular spacesuit were analyzed, four typical position relations among spacesuit, earth, airship, and the solar direction were given, space external radiation heat flow of the spacesuit was analyzed under each of the four conditions, a method of calculating the space heat flux was established, then the maximum calculated heat gain and the maximum heat loss were solved.
     分析了舱外航天服空间热交换的特点及其真空屏蔽绝热层的隔热性能,确定了航天服、地球、飞船及太阳照射方向的4种典型相对位置关系,对各相对位置下航天服的空间辐射外热流进行了分析,并建立了空间热流的计算方法,对航天服表面最大得热与漏热进行了求解.
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  相似匹配句对
     Study of Making Vacuum Insulated Panel
     真空绝热板制作研究
短句来源
     A small-size Dewar available to high-temperature insulation
     高温绝热真空杜瓦
短句来源
     Design of ITER vacuum vessel neutron shielding structure
     ITER真空室中子屏蔽设计
短句来源
     Complex Heat Screen for Vacuum Resistance Furnace
     真空电阻炉的复合热屏蔽
短句来源
     Talk about Shielding
     浅谈屏蔽
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Space radiation heat transfer and heat flux through extravehicular spacesuit must be solved for the design of the spacesuit passive thermal protection. Characteristic of space heat exchange and performance of the vacuum shielding thermal insulation layer for the extravehicular spacesuit were analyzed, four typical position relations among spacesuit, earth, airship, and the solar direction were given, space external radiation heat flow of the spacesuit was analyzed under each of the four conditions, a method...

Space radiation heat transfer and heat flux through extravehicular spacesuit must be solved for the design of the spacesuit passive thermal protection. Characteristic of space heat exchange and performance of the vacuum shielding thermal insulation layer for the extravehicular spacesuit were analyzed, four typical position relations among spacesuit, earth, airship, and the solar direction were given, space external radiation heat flow of the spacesuit was analyzed under each of the four conditions, a method of calculating the space heat flux was established, then the maximum calculated heat gain and the maximum heat loss were solved. The final computation results indicate that the capability of the passive thermal protection for the spacesuit has immense influence on space heat flux. The spacesuit thermal insulation is most important to reduce the heat flux, and the ratio of the spacesuit surface solar absorptivity to emissivity should be properly reduced for fear of larger leakage heat flow from the spacesuit.

进行了舱外航天服的被动热防护性设计,了解其空间辐射换热及空间热流.分析了舱外航天服空间热交换的特点及其真空屏蔽绝热层的隔热性能,确定了航天服、地球、飞船及太阳照射方向的4种典型相对位置关系,对各相对位置下航天服的空间辐射外热流进行了分析,并建立了空间热流的计算方法,对航天服表面最大得热与漏热进行了求解.最终计算结果表明:航天服被动热防护性能对空间热流的影响很大.进行被动热防护设计首先应提高隔热性能,并适当减小表面太阳辐射吸收率与表面黑度的比值.

 
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