Spacecraft Recovery & Remote Sensing, Volume. 46, Issue 1, 11(2025)
The Effect of Structural Deformation on the Dynamic Stability of a Hypersonic Inflatable Aerodynamic Decelerator
Figures & Tables(12)
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Table 1. Freestream parameters and calculation states
View tableView in ArticleTable 1. Freestream parameters and calculation states
序号 高度/ km Ma P∞/ Pa ρ∞/ (kg·m−3) C∞/ (m·s−1) Re/ m case1 10 0.15 26 499.78 0.413 509 299.532 1.27×106 case2 20 0.3 5 529.21 0.088 908 295.070 5.54×105 case3 30 0.7 1 196.98 0.018 409 301.709 2.64×105 case4 40 1.6 287.13 0.003 995 317.190 1.27×105 case5 50 4.6 79.77 0.001 027 329.799 9.15×104
Table 2. Drag coefficient of HIAD
View tableView in ArticleTable 2. Drag coefficient of HIAD
状态 Ma Re/m CX_original CX_deformed 轴向力系数偏差/% case1 0.15 1.27×106 0.775 0.785 1.316 case2 0.3 5.54×105 0.820 0.831 1.407 case3 0.7 2.64×105 1.003 1.015 1.269 case4 1.6 1.27×105 1.457 1.497 2.758 case5 4.6 9.15×104 1.448 1.461 0.887
Table 3. Derivative of HIAD of all consideration states
View tableView in ArticleTable 3. Derivative of HIAD of all consideration states
状态 原始外形 变形外形 整体 前体 后体 整体 前体 后体 case1 −1.132 −0.613 −0.534 −1.404 −0.643 −0.761 case2 −1.037 −0.805 −0.233 −1.225 −0.941 −0.284 case3 −1.112 −1.193 0.077 −1.236 −1.365 0.129 case4 −1.351 −1.735 0.384 −1.289 −1.992 0.703 case5 −0.107 −3.104 2.996 −2.942 −2.763 −0.179
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Xiaotian SHI, Guiru ZHANG, Meng LYU, Yuan ZHAO, Jun GAO. The Effect of Structural Deformation on the Dynamic Stability of a Hypersonic Inflatable Aerodynamic Decelerator[J]. Spacecraft Recovery & Remote Sensing, 2025, 46(1): 11
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Received: Oct. 11, 2024
Accepted: --
Published Online: Apr. 2, 2025
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