ELECTRON TRANSPIRATION COOLING TECHNOLOGY AND ITS RESEARCH PROGRESS

被引：0
作者：
Yuan C. [1 ]
Wang C. [1 ]
Jiang Z. [1 ]
机构：
[1] Institute of Mechanics, Chinese Academy of Sciences, Beijing
来源：
Lixue Xuebao/Chinese Journal of Theoretical and Applied Mechanics | 2024年 / 56卷 / 03期
关键词：
active cooling; hypersonic; thermal protection; thermionic emission effect; transpiration cooling;
D O I：
10.6052/0459-1879-23-389
中图分类号：
学科分类号：
摘要：
Electron transpiration cooling is a new type of hypersonic active thermal protection technology that utilizes the thermionic emission effect of materials. The thermal load is transferred to the downstream of the flow field by the emitted electrons, reducing the peak value and gradient of the heat flux. The electron transpiration cooling will open door to hypersonic thermal protection system designs previously unattainable. As a potential cooling technology, the working principle and technical characteristics were introduced in detail in this paper. Also, research progresses on electron transpiration cooling were reviewed and key issues needed to be addressed for further development were discussed. © 2024 Chinese Society of Theoretical and Applied Mechanics. All rights reserved.
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页码：507 / 520
页数：13
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