Computer Aided Thermal Analysis Method of a Space Optical Remote Sensor
介绍了一套空间光学遥感器的计算机辅助热分析方法,包括热平衡计算、热弹性分析、热光学分析、热光学灵敏度分析以及热设计方案评价等。热平衡计算用来预示遥感器的温度分布,热弹性分析用来计算热致变形和面型变化,热光学分析讨论热致位移和面型变化对成像质量的影响,热光学灵敏度分析则讨论不同形式的温差变化对成像质量影响的敏感程度。通过上述分析,能够弄清空间热环境对遥感器温度分布以及温度分布对成像质量的影响,进而提出热控制指标、制定合理的热设计方案。在工程任务的实际应用中表明该方法是可行的.
丁延卫 , 卢锷 . 空间光学遥感器的计算机辅助热分析方法(英文)[J]. 中国科学院大学学报, 2003 , 20(4) : 407 -413 . DOI: 10.7523/j.issn.2095-6134.2003.4.002
A computer aided thermal analysis method of space optical remote sensor (SORS) is presented, including thermal balance computation, thermo-elastic analysis, thermo-optical analysis, thermo-optical sensitivity analysis and thermal design evaluation. Thermal balance computation is to predict temperature distribution of SORS, thermo-elastic analysis is to compute thermal-induced elastic distortions of optical benches and surface figure of optical elements, thermo-optical analysis is to analyze the effects of above-mentioned distortions on image quality, thermo-optical sensitivity is to discuss sensitivity coefficients of circumferential,axial, radial and temperature level on image quality. These analyses are helpful to understand the effects of space thermal environments on SORS and therewith on image quality, to bring forward targets of thermal control, and to establish reasonable thermal design scheme. Its application in an engineering project indicates that this method is valuable.
［1］Lu Eh. CAD/CAE/CAM Technology. Optics and Precision Engineering, 1996, 6(4): 1～6 (in Chinese)
［2］Hu Jin-Gang. Thermal Control Technology Progress of China Spacecraft. Spacecraft Engineering, 2001,1 (10): 14～29 (in Chinese)
［3］Min Gui-Rong. Thermal Control Technology of Satellite. Beijing: The Press of Astronautics, 1991 (in Chinese)
［4］Li Ji-Hui. A Study of Thermo-Optical Sensitivity Analysis and Thermal Design of a Space Remote Sensor. Changchun Institute of Optics, Fine Mechanics and Physics. 2000 (in Chinese)
［5］Fu Dan-Ying, Yin Cun-Yong, Wu Chong-De. A Study of Thermal/Structural/Optical Analysis of a Space Remote Sensor. Journal of Astronautics, 2001,3(22): 105～110 (in Chinese)
［6］Fu Dan-Ying, Ye Lei, Wu Chong-De, et al. Research on Thermal Optical Analysis of Space remote Sensor. Optics and Precision Engineering, 1998, supplement, (8):180～184 (in Chinese)
［7］Fu Dan-Ying, Yin Cun-Yong, Cheng Zhu-Pu, et al. Analysis and Computation of Heat Exchange Characteristic of Space Camera Optical-Structural System. Optical Technology, 1999, 5:43～46 (in Chinese)
［8］Fu Dan-Ying, Wu Chong-De, Yin Cun-Yong. Development of Thermo-Optical Analysis and Application of Space Remote Sensor.Space Science and Technology of China, 1999, 2 (19): 34 ～ 41
［9］Wu Qing-Wen, Lu Ze-Sheng, LU Eh, et al. Research on Thermal-Optical Characteristic of Window of Space Remote Sensor. Optical Technology, 2001, 27(3):260～261 (in Chinese)
［10］Ding Yan-Wei, Lu Eh. The Computer Numerical Simulation in the Thermal Design of a Space SORS. Optical Technology, 2002, 5(accepted) (in Chinese)
/
| 〈 |
|
〉 |
