水下训练服通风散热特性分析与验证  

Characteristic Analysis and Verification of Ventilation and Heat Removal in Underwater Training Spacesuit

作　　者：王海亮[1] 张万欣[1] 司怀吉[1] 李金林[1] 

机构地区：[1]中国航天员科研训练中心,人因工程重点实验室,北京100094

出　　处：《航天医学与医学工程》2012年第6期427-430,共4页Space Medicine & Medical Engineering

基　　金：中国载人航天工程基金资助

摘　　要：目的研究水下训练服的通风散热特性。方法采用环形夹层的混合对流传热模型,夹层两侧分别为等温壁面和对流条件,建立水下训练服通风散热计算模型。同时利用现有水下训练服,以暖体假人模拟人体代谢产热,开展水下训练服通风性能实验,验证计算模型的正确性。结果理论计算值与实验数据一致,水下训练服的通风散热量在30～60 W范围内,上下肢及躯干散热量比为4∶3∶13。结论本文建立的计算模型正确,可以应用于水下训练服通风换热系统的设计计算与分析。Objective To investigate the characteristics of ventilation and heat removal in underwater training spacesuit. Methods A model of mixed free and forced convection heat transfer in annular channel was adopt- ed. The inner and outer walls of the annular channel were constant temperature wall and in convection condi- tion respectively. Then underwater experiment using the existing underwater training spacesuit and a thermal dummy to simulate metabolic heat production was conducted to verify the mathematical model. Results The re- sults from mathematical model calcualtion was in accordance with the experimental results. The heat removed by ventilation from the suit was between 30 ~ 60 W, and the ratio of heat removed from the arms, the legs and the torso was 4： 3： 13. Conclusion The proposed mathematical model is valid and carl be applied to the design and analysis of the ventilation system of the underwater training suit.

关 键 词：水下训练 舱外航天服 通风 散热 

分 类 号：R852.83[医药卫生—航空、航天与航海医学]