Soyuz 7K-ST No.16L (Soyuz T-10a / T-10-1)
苏联航天计划 · 联盟-U · 1/5 号发射台
任务简介
联盟T-10a（又称T-10-1）原计划是前往礼炮7号空间站的第三次长期驻留任务。该任务原定于1983年9月26日19:37:49 UTC发射，搭载指令长弗拉基米尔·季托夫和飞行工程师根纳季·斯特列卡洛夫，但运载火箭在发射台上因火灾被摧毁。联盟飞船的发射逃逸系统在火箭爆炸前两秒启动，成功拯救了乘组。这是迄今为止唯一一次载有乘员的发射逃逸系统被激活的案例。
原文
Soyuz T-10a, also known as T-10-1, was supposed to be the third long-duration expedition to the Salyut 7 space station. The mission would have launched Commander Vladimir Titov and Flight Engineer Gennady Strekalov on September 26, 1983, 19:37:49 UTC, however the launch vehicle was destroyed on the launch pad by fire. The launch escape system in the Soyuz spacecraft fired two seconds before the launch vehicle exploded, saving the crew. It is so far the only case in which a launch escape system has been fired with a crew aboard.
事故描述
在预定发射前约90秒，一个故障阀门导致氮气增压气体进入B助推器的RP-1涡轮泵。涡轮泵开始加速旋转，但由于没有推进剂，转速迅速超过设计极限，导致泵体破裂，RP-1泄漏并引发火灾，火势迅速吞没了火箭底部。
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