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Micrometeoroid penetration hazards assessment for the shuttle EMU

机译：微象性渗透危险危险评估埃苏

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Micrometeoroid and orbital debris (MMOD) penetration hazards have been a concern for the large number of EVA's (Extravehicular Activities) expected during the assembly and operation of the International Space Station (ISS). Earlier studies have shown large uncertainties in estimated spacesuit penetration risks. This paper reports the results of recent tests and analyses that have significantly expanded the Shuttle EMU (Extravehicular Mobility Unit) hypervelocity penetration database and clarified our understanding of the associated risks. The results of testing have been used to develop improved estimates of the cumulative risk of penetration during EVA's through the first ten years after the beginning of ISS construction. These analyses have shown that the risks of MMOD penetration during EVA will be somewhat less than the risk of a critical penetration of the ISS itself over the same ten-year period.
机译：微象性和轨道碎片（MMOD）渗透危险是在国际空间站（ISS）的大会和运作期间预期的大量EVA（象征活动）的关注。 早期的研究表明了估计的太空飞行渗透风险的巨大不确定性。 本文报告了最近的测试和分析结果，这些测试和分析显着扩展了穿梭鸸（多样性迁移率单位）超胶质渗透数据库，并澄清了我们对相关风险的理解。 测试结果已被用于在IMS施工开始后的前十年内，在EVA的前十年内开发改进的渗透累积风险估计。 这些分析表明，EVA期间MMOD渗透的风险将略微低于ISS本身在同一十年期间的临界渗透的风险。

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