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�����1, ���޽�1, ������2*
1. �������պ����ѧ ���տ�ѧ�빤��ѧԺ, ���� 100191;
2. �վ�����ҽѧ�о���, ���� 100036
Thermal performance analysis of antigravity suit
Qiu Yifen1, Li Yanjie1, Ren Zhaosheng2*
1. School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
2. Institute of Aviation Medicine, Air Force, Beijing 100036, China

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Abstract�� To study the thermal performance of an antigravity suit, the thermal system simulation modal was build among human body, antigravity suit and environment. The suit was divided into 15 segments, each segment has different thermal resistance and gas permeability. The system heat and mass transfer process were analyzed according to suit characteristic. This modal can simulate human body skin temperature, core temperature and sweat. The combined index of heat stress(CIHS) was calculated with these parameter to evaluating human body hot load. Experiments were designated to validate the modal calculation results. The differences between experimental and calculating results is small. At last, influences of the suit thermal resistance and impermeability index to body hot load ware analyzed with the modal built above.
Keywords�� antigravity suit   thermal resistance   impermeability index   human weighted mean skin temperature   core temperature   combined index of heat stress     
Received 2008-07-14;
About author: �����(1968-),Ů,������������,������,qiuyifen@vip.soho.com.
�����, ���޽�, ������.ij����ʽ���ɷ������ܷ���[J]  �������պ����ѧѧ��, 2009,V35(9): 1035-1038
Qiu Yifen, Li Yanjie, Ren Zhaosheng.Thermal performance analysis of antigravity suit[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(9): 1035-1038
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2009/V35/I9/1035
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