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

被引：0
|
作者：
Dai Y. [1 ,2 ]
Li J. [1 ,2 ]
Xue X. [3 ]
Rong W. [1 ,2 ]
机构：
[1] Beijing Institute of Space Mechanics and Electricity, Beijing
[2] Entry Deceleration and Landing Technology Laboratory, China Aerospace Science and Technology Corporation, Beijing
[3] College of Automation, Central South University, Changsha
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2024年 / 45卷 / 07期
关键词：
aerody⁃ namic characteristics; disk-gap-band parachute; drag characteristics; fluid-structure interaction; reefing technology;
D O I：
10.7527/S1000-6893.2023.28811
中图分类号：
学科分类号：
摘要：
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. © 2024 Chinese Society of Astronautics. All rights reserved.
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