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Effect of mixed convective heat transfer on interior helium temperature of high-altitude-cruising airships

  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

This paper aims to establish a thermal analysis model for stratospheric airships. Mixed convective heat transfer between envelope and air has been specially considered. Thermal analysis of HAB on the summer solstice was carried out in this paper, results show that forced convective heat transfer coefficient increases obviously as the air speed decreasing, which will enhance the heat transfer between envelope and atmospheric. The pressure difference decreases obviously as air speed increasing during the whole day. Therefore HAB(high altitude balloon) should increase the air speed to reduce the pressure difference, which will enhance the safety of HAB.

源语言英语
主期刊名Mechanical Engineering, Materials Science and Civil Engineering II
516-520
页数5
DOI
出版状态已出版 - 2014
活动2nd International Conference on Mechanical Engineering, Materials Science and Civil Engineering, ICMEMSCE 2013 - Beijing, 中国
期限: 25 10月 201326 10月 2013

出版系列

姓名Applied Mechanics and Materials
470
ISSN(印刷版)1660-9336
ISSN(电子版)1662-7482

会议

会议2nd International Conference on Mechanical Engineering, Materials Science and Civil Engineering, ICMEMSCE 2013
国家/地区中国
Beijing
时期25/10/1326/10/13

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