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Thermal analysis of a 1.8m solar telescope mechanical structure
Li, Cheng1,2,3; Xian, Hao1,2; Zhang, Jun1,2,3; Li, C.
Volume8415
Pages841512
2012
Language英语
ISSN0277786X
DOI10.1117/12.974259
Indexed ByEi
Subtype会议论文
AbstractAccording to the thermal environment of a 1.8m open structure solar telescope, a passive thermal control scheme of the mechanical structures is designed to reduce the effects of air turbulence and thermal deformation in this paper. Geometric characteristic of the open structure and the coating properties of mechanical structure are discussed. The stringent thermal requirements for the telescope mechanical structure should be satisfied to avoid the thermal inhomogeneity of ambient air at an intolerable level. A detailed finite element model with environmental conditions is presented to analyze the thermal response of the telescope mechanical structure. Thermal deformation and stress are also studied with the same finite element model. The numerical results demonstrate that the approach of passive cooling is effective and feasible. © 2012 SPIE.; According to the thermal environment of a 1.8m open structure solar telescope, a passive thermal control scheme of the mechanical structures is designed to reduce the effects of air turbulence and thermal deformation in this paper. Geometric characteristic of the open structure and the coating properties of mechanical structure are discussed. The stringent thermal requirements for the telescope mechanical structure should be satisfied to avoid the thermal inhomogeneity of ambient air at an intolerable level. A detailed finite element model with environmental conditions is presented to analyze the thermal response of the telescope mechanical structure. Thermal deformation and stress are also studied with the same finite element model. The numerical results demonstrate that the approach of passive cooling is effective and feasible. © 2012 SPIE.
Conference NameProceedings of SPIE: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
Conference Date2012
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Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7774
Collection自适应光学技术研究室(八室)
Corresponding AuthorLi, C.
Affiliation1. Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
2. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China
3. Graduate school, Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Li, Cheng,Xian, Hao,Zhang, Jun,et al. Thermal analysis of a 1.8m solar telescope mechanical structure[C],2012:841512.
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