舱内失压情况下航天员穿着舱内航天服时的热舒适度仿真研究*

doi:10.13385/j.cnki.vacuum.2022.04.15

真空 ›› 2022, Vol. 59 ›› Issue (4): 80-85.doi: 10.13385/j.cnki.vacuum.2022.04.15

舱内失压情况下航天员穿着舱内航天服时的热舒适度仿真研究^*

方明元, 武越, 张洋, 许忠旭

北京卫星环境工程研究所,北京 100094

收稿日期:2021-10-11 出版日期:2022-07-25 发布日期:2022-08-09
通讯作者: 武越,高级工程师。
作者简介:方明元（1995-）,男,江西省赣州市人,硕士。
基金资助:
*载人航天领域预先研究项目（编号：020102）

Simulation on Thermal Comfort of Astronaut Wearing Space Suit Under the Condition of Cabin Pressure Loss

FANG Ming-yuan, WU Yue, ZHANG Yang, XU Zhong-xu

Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China

Received:2021-10-11 Online:2022-07-25 Published:2022-08-09

摘要/Abstract

摘要： 舱内航天服是航天员在舱内失压情况下维持生命的重要保障。在长时间的失压状态下,航天员的热舒适度问题是需要重点考虑的因素之一。本文基于集总参数法建立了舱内航天服热模型,联合Fiala模型建立了人-舱内航天服热模型,并使用国内试验数据验证了模型仿真的正确性。通过人-舱内航天服仿真计算,得到了不同舱内失压条件下航天员穿着舱内航天服时的热舒适度和通风气体湿度等指标的变化规律,提出了系统优化方案,为我国应急舱内压力防护系统的设计和生保方案的制定提供了参考。

关键词: 人体热模型, 航天服热模型, 数值仿真, 热舒适度, 舱内失压

Abstract: The intravehicular activity space suit is an important guarantee for astronauts to sustain life in the case of pressure loss in the cabin. The thermal comfort of astronauts is one of the important factors to be considered in the long time pressure loss condition. Based on the lumped parameter method, the thermal model of the spacesuit in the cabin is established, and the human-spacesuit thermal model is established with the Fiala model. The correctness of the simulation is verified by the domestic experimental data. Based on the simulation, the change rules of thermal comfort and humidity of ventilation gas under different pressure loss conditions were obtained, and the system optimization scheme was put forward, which provided reference for the design of emergency cabin pressure protection system and the formulation of life protection scheme in China.

Key words: human thermal model, space suit thermal model, numerical simulation, thermal comfort, cabin pressure loss

中图分类号:

V445.1

方明元, 武越, 张洋, 许忠旭. 舱内失压情况下航天员穿着舱内航天服时的热舒适度仿真研究^*[J]. 真空, 2022, 59(4): 80-85.

FANG Ming-yuan, WU Yue, ZHANG Yang, XU Zhong-xu. Simulation on Thermal Comfort of Astronaut Wearing Space Suit Under the Condition of Cabin Pressure Loss[J]. VACUUM, 2022, 59(4): 80-85.

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舱内失压情况下航天员穿着舱内航天服时的热舒适度仿真研究^*

Simulation on Thermal Comfort of Astronaut Wearing Space Suit Under the Condition of Cabin Pressure Loss

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