【matka 431】波音“星际客机”故障频出,宇航员讲述事发时经历
由于故障频出,星际客机波音“星际客机”所运送的波音两名宇航员已经在太空超期停留将近一个月。美国国家航空航天局7月10日举行媒体电话会,故障matka 431宇航员在连线时讲述了飞船当时出现的频出故障。 在“星际客机”接近国际空间站时,宇航员讲服务舱内28台反应控制系统推进器中有5台意外关闭,述事导致“星际客机”在对接口无法对接。经历 美国宇航员巴里·威尔莫尔:当时我们遇到一些故障,星际客机我们也意识到了。波音一个反应控制系统推进器失灵,故障接着又一个失灵。频出我们就知道推进器出现故障了。宇航员讲不过幸好之前有过相关训练。述事matka 431我们开始进行手动控制,经历手动控制操作了一个多小时。星际客机这一个多小时时间里,地面团队在进行故障检修。几个推进器得以修复。那时我们就知道推进器发生故障了,但是不知道原因是什么。很明显就是故障发生了,推进器关闭了。 通过紧急故障检修,5个故障推进器中的4个得以修复。而除了推进器故障,“星际客机”在本次试飞任务期间,还出现了5次氦气泄漏、1次推进剂控制阀门运行不良问题。 故障频出"星际客机"返航仍无确切时间 “星际客机”飞船6月5日携美国宇航员巴里·威尔莫尔和苏尼·威廉姆斯升空,6日飞抵国际空间站。飞船原定6月14日脱离空间站返回地球,但由于上述故障的出现,返航时间一再推迟。 据美国媒体报道,美国国家航空航天局和波音公司工程专家正在新墨西哥州的白沙测试设施对“星际客机”推进器故障进行地面复现,以查明为何某些推进器出现了过热、停止工作等问题。宇航员威尔莫尔说,正在地面进行的推进器测试和检查,是决定他们返航的关键因素。 美国国家航空航天局商业载人项目经理史蒂夫·斯蒂奇称,他希望该测试能在本周完成,之后他们还需要一些时间对测试数据进行评估。斯蒂奇没有给出“星际客机”飞船的确切返航时间,表示可能将在7月底返回,但这取决于测试的完成情况。 根据美国国家航空航天局此前公布的信息,“星际客机”最多可在空间站对接45天,也就是对接到7月21日。但特殊情况下,也可依靠备份系统等延长对接至90天。
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