中国神舟十三号载人飞船返回舱在东风着陆场成功着陆,翟志刚、王亚平、叶光富安全顺利出舱,正在进行重力再适应。
中国媒体报道,航天员回家第一顿饭是面条、馒头、小米粥、醋溜土豆丝、醋溜白菜、榨菜、川味香肠、黄瓜、西红柿、西瓜……航天员回家第一顿饭非常丰富,都是个性化定制!
神十三返回舱表面局部可达上千度
神舟十三号返回舱进入大气层后,将与空气发生剧烈摩擦,舱体表面局部温度可达上千摄氏度。为了确保舱内温度依然舒适,飞船控温的主要手段就是依靠防热结构对舱内进行保护。
科研人员在舱体表面设计了防热涂层,敷设有一层烧蚀材料。当达到一定温度时,烧蚀材料升华脱落,带走大量热量。此外,返回前会实施“热控预冷”,提前将返回舱温度降低少许,使飞船再入大气层前舱内温度有一个较低基准。
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