超声速下盘缝带伞不同收口方式的气动特性  

Aerodynamic characteristics of supersonic disk-gap-band parachute with different reefing ways

作　　者：代雨柔 李健[1,2] 薛晓鹏 荣伟 DAI Yurou;LI Jian;XUE Xiaopeng;RONG Wei(Beijing Institute of Space Mechanics and Electricity,Beijing 100094,China;Entry Deceleration and Landing Technology Laboratory,China Aerospace Science and Technology Corporation,Beijing 100094,China;College of Automation,Central South University,Changsha 410083,China)

机构地区：[1]北京空间机电研究所,北京100094 [2]中国航天科技集团有限公司航天进入减速与着陆技术实验室,北京100094 [3]中南大学自动化学院,长沙410083

出　　处：《航空学报》2024年第7期68-80,共13页Acta Aeronautica et Astronautica Sinica

基　　金：国家自然科学基金(12072377);湖南省自然科学基金(2022JJ30678)。

摘　　要：随着中国航天事业的发展,对大面积、高强度、低开伞力、低重量体积的高性能超声速降落伞的应用需求越来越突出。超声速收口技术是满足未来需求的一种可能的技术途径,但国内外在此领域的研究工作欠缺。本文以超声速盘缝带收口降落伞为研究对象,采用流固耦合的方法,对不同收口方式的不同收口比下的盘缝带伞的气动特性进行研究。结果表明,盘收口降落伞在呼吸时,盘的部分基本保持充满状态,带的部分发生不规则的膨胀和收缩。而带收口时,盘和带的部分则一起进行膨胀和收缩。对于收口的气动特性方面,盘收口的阻力系数和投影面积随着收口比的增大而增大,而带收口则没有明显变化。With the development of aerospace engineering,the demand for the application of high-performance su⁃personic parachute with large area,high strength,low opening shock,and low weight and volume is becoming more and more prominent.Supersonic reefing technology is a possible way to meet the future demand,but research in this field remains limited both domestically and internationally.This paper studies the aerodynamic characteristics of super⁃sonic disk-gap-band parachute in different reefing ways and different reefing ratios using the fluid-structure interaction method.The results show that when the mid-gore reefing parachute breaths,the disk keeps full and the band part ex⁃pands and contracts irregularly.However,for the skirt reefing parachute,the band and disk part expand and contract together.For the aerodynamic characteristics of the parachute reefing,the drag coefficient and the projected area of the mid-gore reefing grow with the increase of reefing ratio,but the skirt reefing shows no obvious change.

关 键 词：盘缝带伞 收口技术 流固耦合 阻力特征 气动特征 

分 类 号：V445.23[航空宇航科学与技术—飞行器设计]