出舱活动过程中航天员的热舒适性分析

Analysis of Astronaut Thermal Comfort during Extravehicular Activity

分析了出舱活动中航天员－ 服装系统的热平衡，阐述了影响航天员热舒适性的因素及热舒适性的评价标准，并对美国航天员舱外活动的冷应激的人体工程学问题进行了讨论。还指出了提高航天员热舒适性有待解决的几个关键问题。

Heat balance of the astronaut space suit system during extravehicular activity (EVA) is analyzed. Factors affecting the thermal comfort of astronaut and evaluation criterions of thermal comfort are described. Ergonomic problems about cold stress of American astronauts during EVA of space shuttle are also described. Finally,some critical problems pertaining astronaut thermal comfort need to be solved are presented.