舱外航天服生命保障冷电联储系统性能分析
收稿日期: 2012-12-12
修回日期: 2013-03-05
网络出版日期: 2013-03-12
基金资助
人因工程重点实验室开放基金(HF2011-K-05)
Characteristic Analysis of Extravehicular Spacesuit Life Support Cooling-power Integrated System
Received date: 2012-12-12
Revised date: 2013-03-05
Online published: 2013-03-12
Supported by
Open Funding Project of National Key Laboratory of Human Factors Engineering (HF2011-K-05)
基于质子膜燃料电池(PEMFC)和热驱制冷,提出一种舱外航天服冷电联储方法,根据热力学总能理论,通过能量的梯级利用和不同形式的能量联产来实现舱外航天服生命保障系统冷电联储、能源转化和环境控制一体化。对舱外航天服生命保障冷电联储系统进行了热力学分析,表明本文舱外航天服生命保障系统冷电联储方案与传统方案相比,能达到减少航天员出舱活动携带物品种类和提高能源利用率的目的。并重点对冷电联储系统储氢冷却器相关参数的选取对系统一次能源利用率及系统整体质量的影响进行分析,结果表明LaNi5和LmNi4.9Sn0.1较适合用于本文提出的舱外航天服生命保障冷电联储系统。
王胜男 , 李运泽 , 周航 , 周国栋 . 舱外航天服生命保障冷电联储系统性能分析[J]. 航空学报, 2013 , 34(6) : 1285 -1292 . DOI: 10.7527/S1000-6893.2013.0160
Based on the techniques of proton exchange membrane fuel cell (PEMFC) and heat-driven cooling system, a method of combined cooling-power for the life support system of an extravehicular activity spacesuit is proposed in this paper. This method aims to realize the integration of cooling and power, the transient of different energies and the control of the environment for the life support system of the extravehicular activity spacesuit with the theory of thermal board total energy which points the energy step used, heat recovery and the combined generation of different forms of energy. Thermodynamic analysis of the system is performed. Compared with the separate method used in the traditional spacesuit, the combined method can decrease the kinds of materials, and provide more efficient use of resources. In addition, the H2 utilization coefficient and the total mass of the whole integrated system which are influenced by the different thermal parameters chosen for the hydrogen storage cooler are analyzed in detail, which demonstrates that LaNi5 and LmNi4.9Sn0.1 can be considered for this cooling-power integrated system.
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