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Noncontact temperature estimation method on the actively cooled primary mirror surface of large ground-based solar telescope
Liu, Yangyi1,2; Gu, Naiting1,2; Rao, Changhui1,2
Source PublicationJournal of Astronomical Telescopes, Instruments, and Systems
Volume3Issue:4Pages:046001
2017
Language英语
ISSN2329-4124
AbstractTo control the mirror seeing effect and the thermal deformation, the actively cooled primary mirror is utilized in a large ground-based solar telescope. Due to direct solar illumination and high reflectivity of the mirror surface coating, the traditional contact or noncontact temperature measuring methods of the mirror surface are not available. A noncontact temperature estimation method based on the analytical heat transfer model of actively cooled primary mirror of a solar telescope is proposed. The experimental validation has been carried out on the actively cooled honeycomb mirror with 600-mm diameter. When the temperature on the mirror surface fluctuates between 23.7 deg and 26 deg, the corresponding estimation error is not more than 0.4 deg. The experimental results validate the correctness and accuracy of the proposed method. © 2017 Society of Photo-Optical Instrumentation Engineers (SPIE).
KeywordEstimation - Heat transfer - Mirrors - Temperature distribution
Indexed ByEi
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8821
Collection自适应光学技术研究室(八室)
Affiliation1.Chinese Academy of Sciences, Key Laboratory on Adaptive Optics, Chengdu, China;
2.Chinese Academy of Sciences, Key Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chengdu, China
Recommended Citation
GB/T 7714
Liu, Yangyi,Gu, Naiting,Rao, Changhui. Noncontact temperature estimation method on the actively cooled primary mirror surface of large ground-based solar telescope[J]. Journal of Astronomical Telescopes, Instruments, and Systems,2017,3(4):046001.
APA Liu, Yangyi,Gu, Naiting,&Rao, Changhui.(2017).Noncontact temperature estimation method on the actively cooled primary mirror surface of large ground-based solar telescope.Journal of Astronomical Telescopes, Instruments, and Systems,3(4),046001.
MLA Liu, Yangyi,et al."Noncontact temperature estimation method on the actively cooled primary mirror surface of large ground-based solar telescope".Journal of Astronomical Telescopes, Instruments, and Systems 3.4(2017):046001.
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