Shape Optimization Design of Small Cargo Re-entry Capsule

Yifan WANG; Wei JIN; Hongbiao LIU

doi:10.3969/j.issn.1009-8518.2024.04.002

Journals >Spacecraft Recovery & Remote Sensing >Volume 45 >Issue 4 >Page 9 > Article

Spacecraft Recovery & Remote Sensing
Vol. 45, Issue 4, 9 (2024)

Shape Optimization Design of Small Cargo Re-entry Capsule

Yifan WANG, Wei JIN, and Hongbiao LIU

Author Affiliations

Beijing Zhongke Aerospace Technology Co., Ltd., Beijing 100074, China

show less

DOI: 10.3969/j.issn.1009-8518.2024.04.002 Cite this Article

Yifan WANG, Wei JIN, Hongbiao LIU. Shape Optimization Design of Small Cargo Re-entry Capsule[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(4): 9 Copy Citation Text

show less

Fig. 1. [in Chinese]

Download full size | View in the Article

Fig. 2. [in Chinese]

Download full size | View in the Article

Fig. 3. [in Chinese]

Download full size | View in the Article

Fig. 4. [in Chinese]

Download full size | View in the Article

Fig. 5. [in Chinese]

Download full size | View in the Article

数据类别	C_A	C_N	C_m0	C_L/C_D
计算值	1.352 6	0.152 1	0.102 1	−0.246 2
试验值^[20]	1.334 6	0.159 0	0.102 5	−0.237 4
相对误差/%	−1.35	4.40	0.39	−3.71

Table 1. Comparison of calculated results with data in references

View in the Article

来源	气动力模块	优化算法	R_n/m	L_F/m	θ_F/（°）	C_D	C_L	C_L/C_D	R_V
文献[5]	CART3D	MIGA+MMFD	0.50	3.00	21.46	0.5110	0.4090	0.8010	0.8019
本文	修正牛顿理论	MIGA+MMFD	0.50	2.98	23.17	0.5088	0.4077	0.8015	0.8192
本文	修正牛顿理论	MIGA+NLQPL	0.51	2.62	24.31	0.5024	0.4052	0.8065	0.8144
本文	修正牛顿理论	纯MIGA	0.56	2.43	24.31	0.5059	0.4049	0.8004	0.8109

Table 2. Comparison between different optimization techniques

View in the Article

设计变量	最大截面直径d_m/m	球冠钝度$ \overline {{R_{\text{n}}}} $	肩部半径比$ \overline {{R_{\text{c}}}} $	长细比λ	倒锥角θ_c/（°）
下界	1.00	0.80	0.03	0.80	7.00
上界	1.50	1.20	0.05	1.20	19.00

Table 3. Design variables and their variation range

View in the Article

目标状态	d_m/m	$ \overline {{R_{\text{n}}}} $	θ_c/（°）	$ \overline {{R_{\text{c}}}} $	$ \lambda $	V/m³	R_V	C_L/C_D	C_D
初始外形	1.10	0.90	7.00	0.04	1.00	0.665 4	0.942 4	0.243 7	1.322 3
MIGA优化外形	1.43	1.16	18.59	0.03	0.87	1.082 0	0.912 7	0.308 4	1.395 0
MMFD更优外形	1.43	1.16	18.78	0.03	0.87	1.078 3	0.911 7	0.308 5	1.394 9
NLPQL更优外形	1.43	1.20	18.61	0.03	0.92	1.118 4	0.903 5	0.311 2	1.404 6

Table 4. Comparison of single objective optimization solution and initial solution

View in the Article

外形状态	d_m/m	$ \overline {{R_{\text{n}}}} $	θ_c/（°）	$ \overline {{R_{\text{c}}}} $	$ \lambda $	V/m³	R_V	q_c/（kW·m⁻²）	C_L/C_D	C_D
初始值	1.10	0.90	7.00	0.04	1.00	0.665 4	0.942 4	491.206	0.243 7	1.322 3
A点	1.46	1.20	16.53	0.03	1.01	1.326 9	0.900 1	368.884	0.310 0	1.407 7
B点	1.50	1.20	10.50	0.03	1.01	1.611 7	0.922 5	364.741	0.296 0	1.411 2
C点	1.48	1.20	7.02	0.03	1.01	1.678 7	0.923 9	366.063	0.279 1	1.417 3

Table 5. The comparison between Pareto solutions and initial solution

Yifan WANG, Wei JIN, Hongbiao LIU. Shape Optimization Design of Small Cargo Re-entry Capsule[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(4): 9

Download Citation

Tools

Save the article for my favorites

Paper Information

微信扫一扫：分享

微信扫一扫：分享