A prediction method of thermal deformation of near-zero warping sandwich structure under non-uniform temperature field

被引：0
|
作者：
Han, Xiaonan [1 ]
Yu, Huabin [2 ]
Guo, Xiaogang [2 ]
Zhou, Hao [3 ]
Rong, Jili [1 ]
机构：
[1] Beijing Inst Technol, Sch Aerosp Engn, 5 Zhongguancun South St, Beijing 100081, Peoples R China
[2] Beijing Inst Technol, Inst Adv Struct Technol, Beijing 100081, Peoples R China
[3] China Acad Space Technol, Beijing Inst Spacecraft Syst Engn, 104 Youyi Rd, Beijing 100094, Peoples R China
来源：
AEROSPACE SCIENCE AND TECHNOLOGY | 2025年 / 157卷
关键词：
Near-zero warping sandwich metastructure; Thermal deformation; Non-uniform temperature field; Prediction method;
D O I：
10.1016/j.ast.2024.109786
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The thermal deformation of structure in non-uniform thermal environment in space is a critical factor affecting the imaging accuracy of remote sensing satellite. In this study, the thermal deformation theory of near-zero warping sandwich structure under non-uniform temperature field is established. A high-fidelity prediction method based on CT scanning and reconstruction of structural defects is proposed. Thermal deformation experiments show that this method can accurately characterize the ultra-low thermal deformation behavior of the near-zero warping sandwich metastructure, which is significant for the real-time correction of satellite imaging in orbit.
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收藏
页数：10
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