临近空间飞行器发汗冷却研究进展  

Review on Transpiration Cooling for Near-Space Aircraft

作　　者：栾芸 贺菲 王建华[1] LUAN Yun;HE Fei;WANG Jian-hua(Department of Thermal Science and Energy Engineering,University of Science and Technology of China,Hefei 230026,China)

机构地区：[1]中国科学技术大学热科学和能源工程系,安徽合肥230026

出　　处：《推进技术》2023年第1期1-15,共15页Journal of Propulsion Technology

基　　金：国家自然科学基金青年科学基金(51806206)。

摘　　要：发汗冷却是一种针对临近空间飞行器的冷却能力极强的主动热防护方式,本文通过对国内外大量相关文献进行调研,阐述了发汗冷却的作用机理及特点,归纳总结了近些年发汗冷却取得的研究进展,主要内容涵盖结构基体材料及冷却工质的选择、研究方法的发展以及相关的结构优化设计等,并展望了未来可能的研究方向。Transpiration cooling is an active thermal protection technology for near-space aircraft,which has an extremely high cooling efficiency.Based on a large number of relevant literatures,this paper introduces the mechanism and cooling characteristics of transpiration cooling,and summarizes its research progress in recent years.It mainly includes the selection of matrix material and coolant,the development of investigation method and structural optimization design.Finally,considering the existing problems of transpiration cooling,the possible research directions in the future are proposed.

关 键 词：临近空间飞行器 主动冷却 发汗冷却 结构优化 组合冷却 综述 

分 类 号：V435.14[航空宇航科学与技术—航空宇航推进理论与工程]