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Wind on the Euro50 Enclosure
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- Riewaldt, Holger (author)
- Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science
- Lastiwka, M. (author)
- Quinlan, N. (author)
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- McNamara, K. (author)
- Wang, Xin (author)
- Shearer, A. (author)
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- (creator_code:org_t)
- SPIE, 2004
- 2004
- English.
- In: Proceedings of the SPIE - The International Society for Optical Engineering. - : SPIE. - 1996-756X .- 0277-786X. ; 5495:1, s. 537-548
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- The Euro50 is a European Extremely Large Telescope. Its enclosure will be among the largest buildings of the world. Determining the maximum wind load is crucial for the survival of the structure, and local forces have an impact on the detailed design such as cladding. Pressure variations on the primary mirror and the wind load on the telescope are important for the development of active optics and segment control systems. To obtain data for the survival wind load as well as for typical observing conditions, the airflow pattern has been studied both with a wind tunnel model and computational fluid dynamics (CFD). Special attention has been given to determination of pressures on the primary mirror. Results are compared for the two methods and also with data available from previous studies and from measurements on existing telescopes. Finally, a typical wind load envelope is defined for the integrated telescope model
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- integrated telescope model
- wind load envelope
- computational fluid dynamics
- wind tunnel model
- airflow pattern
- survival wind load
- segment control systems
- active optics
- primary mirror
- cladding
- pressure variations
- local forces
- structure survival
- maximum wind load
- Euro50 Enclosure
- European Extremely Large Telescope
Publication and Content Type
- kon (subject category)
- ref (subject category)
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- Andersen, Torben
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- Shearer, A.
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