Vol 22, No 4 (2022) / Li

Wind Environment Analysis of Ground-based Optical Observatory

Tao-Ran Li, Xiao-Jun Jiang

Abstract

The telescopes and the infrastructures may alter the local wind environment around the observatory and further affect the observing environment. After the completion of site testing, it is necessary to analyze the wind environment of the entire site and plan the telescope layout to make use of the excellent conditions scientifically and rationally. Taking a typical observatory as an example, the effect of topographical features on the wind environment and the mutual interference between telescope enclosures are analyzed by using the Computational Fluid Dynamics (CFD) method. The CFD simulations are compared with the seeing data from the Differential Image Motion Monitor, and the results are in good agreement, which verifies the effectiveness of the CFD method. The results of wind environment analysis can provide reasonable suggestions for site layout and construction, reducing the interference effects and improving the observing environment.

Keywords


methods: numerical – telescopes – atmospheric effects – turbulence

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DOI: https://doi.org/10.1088/1674-4527/ac4e00

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