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The Effects of the Foldable Dome of KDUST on the Observation Based on CFD Method at Dome A
Jianghai Xu1,2,3; Xuefei Gong1,2,4; Bozhong Gu1,2,4
2016-12
发表期刊Publications of the Astronomical Society of the Pacific
期号128页码:1-16
摘要
For modern telescopes with the strict requirement of high-resolution image quality, the influence of wind load cannot be ignored. KDUST is a 2.5 m optical telescope and will be installed at Dome A.

To study the effects of wind load on KDUST, the low-frequency wind speed data observed by KL-AWS-2G weather station at Dome A are transformed into high frequency based on the theory of wind speed fluctuation spectrum; then, the numerical wind tunnel simulation is conducted under the conditions of different dominant wind directions, different dome opening angles, and the elevation angles of KDUST.

The results show that different wind directions mainly affect the wind velocity and turbulence kinetic energy around the telescope; the optical path difference increases along with the increase of the dome opening angle, but decreases with the increase of the elevation angle of KDUST; the dome seeing decreases with the increase of both the dome opening angle and elevation angle.

This simulation will provide a useful reference for the future design and construction of KDUST and its foldable dome.
关键词Convection – Methods Data Analysis – Telescopes – Turbulence
学科领域天文技术与方法
语种英语
WOS记录号WOS:000390336400016
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.niaot.ac.cn/handle/114a32/1347
专题期刊论文
作者单位1.南京天文光学技术研究所
2.中国科学院天文光学重点实验室
3.中国科学院大学
4.中国南极天文中心
推荐引用方式
GB/T 7714
Jianghai Xu,Xuefei Gong,Bozhong Gu. The Effects of the Foldable Dome of KDUST on the Observation Based on CFD Method at Dome A[J]. Publications of the Astronomical Society of the Pacific,2016(128):1-16.
APA Jianghai Xu,Xuefei Gong,&Bozhong Gu.(2016).The Effects of the Foldable Dome of KDUST on the Observation Based on CFD Method at Dome A.Publications of the Astronomical Society of the Pacific(128),1-16.
MLA Jianghai Xu,et al."The Effects of the Foldable Dome of KDUST on the Observation Based on CFD Method at Dome A".Publications of the Astronomical Society of the Pacific .128(2016):1-16.
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