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The Effects of the Foldable Dome of KDUST on the Observation Based on CFD Method at Dome A
Xu, Jianghai1,2,3; Gong, Xuefei1,2,4; Gu, Bozhong1,2,4
2016-12-01
Source PublicationPUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
ISSN0004-6280
Volume128Issue:970Pages:16
Corresponding AuthorXu, Jianghai()
AbstractFor 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.
Keywordconvection methods: data analysis telescopes turbulence
DOI10.1088/1538-3873/128/970/125004
WOS KeywordANTARCTICA
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000390336400016
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23387
Collection中国科学院紫金山天文台
Corresponding AuthorXu, Jianghai
Affiliation1.Chinese Acad Sci, Nanjing Inst Astron Opt & Technol, Natl Astron Observ, Nanjing 210042, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Astron Opt & Technol, Nanjing 210042, Jiangsu, Peoples R China
3.Univ Chinese Acad Sci, Beijing 10049, Peoples R China
4.Chinese Ctr Antarctic Astron, Nanjing 210042, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Xu, Jianghai,Gong, Xuefei,Gu, Bozhong. 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(970):16.
APA Xu, Jianghai,Gong, Xuefei,&Gu, Bozhong.(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(970),16.
MLA Xu, Jianghai,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 128.970(2016):16.
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