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Structural optimization of the Retractable Dome for Four Meter Telescope(FMT)
Nian Pan[1], Yuxi Li[2], Yue Fan[1], Wenli Ma[1], Jinlong Huang[1], Ping Jiang[1], Sijie Kong[1,3]
2017
发表期刊Publications of the Astronomical Society of the Pacific
ISSN0004-6280
卷号129期号:973页码:34003
摘要Dome seeing degrades the image quality of ground-based telescopes. To achieve dome seeing of the Four Meter Telescope (FMT) less than 0.5 arcsec, structural optimizations based on computational fluid dynamics (CFD) simulation were proposed. The results of the simulation showed that dome seeing of FMT was 0.42 arcsec, which was mainly caused by the slope angle of the dome when the slope angle was 15° and the wind speed was 10 m/s. Furthermore, the lower the air speed was, the less dome seeing would be. Wind tunnel tests (WT) with a 1:120 scaled model of the retractable dome and FMT indicated that the calculated deviations of the CFD simulation used in this paper were less than 20% and the same variations of the refractive index derived from the WT would be a convincing argument for the validity of the simulations. Thus, the optimization of the retractable dome was reliable and the method expressed in this paper provided a reference for the design of next generation of ground-based telescope dome.
关键词Telescopes Dome seeing Computational fluid dynamics Wind tunnel tests
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.ioe.ac.cn/handle/181551/8882
专题光电探测技术研究室(三室)
作者单位1.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, Sichuan, 610209, China
2.Department of Modern Mechanical Engineering, Waseda University, Tokyo, 1698555, Japan
3.University of Chinese Academy of Sciences, Beijing, 100049, China
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GB/T 7714
Nian Pan[1], Yuxi Li[2], Yue Fan[1], Wenli Ma[1], Jinlong Huang[1], Ping Jiang[1], Sijie Kong[1,3]. Structural optimization of the Retractable Dome for Four Meter Telescope(FMT)[J]. Publications of the Astronomical Society of the Pacific,2017,129(973):34003.
APA Nian Pan[1], Yuxi Li[2], Yue Fan[1], Wenli Ma[1], Jinlong Huang[1], Ping Jiang[1], Sijie Kong[1,3].(2017).Structural optimization of the Retractable Dome for Four Meter Telescope(FMT).Publications of the Astronomical Society of the Pacific,129(973),34003.
MLA Nian Pan[1], Yuxi Li[2], Yue Fan[1], Wenli Ma[1], Jinlong Huang[1], Ping Jiang[1], Sijie Kong[1,3]."Structural optimization of the Retractable Dome for Four Meter Telescope(FMT)".Publications of the Astronomical Society of the Pacific 129.973(2017):34003.
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