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The influence of temperature and pressure on primary mirror surface figure and image quality of the 1.2m colorful schlieren system
Xu, Songbo1; Wang, Peng1; Chen, Lei2; Wang, Jing1; Xie, Yong-Jun1
2017
会议名称2nd International Conference on Photonics and Optical Engineering
会议录名称Second International Conference on Photonics and Optical Engineering
卷号10256
会议日期2016-10-14
会议地点Xi'an, China
出版者SPIE
产权排序1
摘要

In this paper, a colorful schlieren system without any protecting windows was introduced which results in that the 1.2m primary mirror would directly be confronted with the pressure and temperature variation from the wind tunnel test. To achieve a good schlieren image under the wind tunnel test working condition of a wide temperature fluctuation range (-10°C to 50°C) as well as a pressure (2kPa), a new flexible support method of the primary mirror was strategically designed. A finite element model of the primary mirror combined with its supporting structures was built up to approach the surface figure of the primary mirror under the complex working conditions as gravity, temperature variation, and pressure. The schlieren images due to the change of the primary mirror surface figure were simulated by Light-tools software. It was found that the temperature changing and pressure would lead to the variation of the surface figure of the primary mirror surface figure and therefore, results in the changing of the quality of simulated schlieren images. © 2017 SPIE.

作者部门空间光子信息新技术研究室
DOI10.1117/12.2247935
收录类别EI ; ISTP
语种英语
ISSN号0277786X
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/28851
专题空间光子信息新技术研究室
作者单位1.Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an; 710072, China
2.China Aerodynamics Research and Development Center, Mianyang; 621000, China
推荐引用方式
GB/T 7714
Xu, Songbo,Wang, Peng,Chen, Lei,et al. The influence of temperature and pressure on primary mirror surface figure and image quality of the 1.2m colorful schlieren system[C]:SPIE,2017.
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