Study on the temperature field effect analysis and test of the five-hundred-meter aperture spherical radio telescope

Li-qiang Song; Qi-ming Wang

doi:10.1117/12.2243436

24 October 2016 Study on the temperature field effect analysis and test of the five-hundred-meter aperture spherical radio telescope

Li-qiang Song, Qi-ming Wang

Author Affiliations +

Proceedings Volume 9682, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes; 968204 (2016) https://doi.org/10.1117/12.2243436
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China

Abstract

The thermal problem is one of the important research contents of the design and operation about giant radio antenna. This kind of influence to the antenna has been concerned in the astronomy field. Due to the instantaneous temperature load and uncertainty, it is difficult to accurately analysis and effectively control about its effect. It has important significance to analyze the thermal problem of giant radio antenna to its design and operation. The research of solar cookers and temperature field on Five-hundred-meter Aperture Spherical radio Telescope (FAST) were preceded in detail. The tests of temperature distribute about 30 meters antenna in Mi-yun observatory station were performed. The research work including the parameters related to the sun, the flow algorithm of telescope site, mathematical model of solar cooker, analysis results of temperature field and corresponding control strategy, the temperature distribution test of 30 meters model. The results showed that: solar cookers could be weakened and controlled effectively of FAST. This work will provide a reference to design and operation of the FAST and same big antenna. It has certain theory significance, engineering significance and application value.

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Li-qiang Song and Qi-ming Wang "Study on the temperature field effect analysis and test of the five-hundred-meter aperture spherical radio telescope", Proc. SPIE 9682, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 968204 (24 October 2016); https://doi.org/10.1117/12.2243436

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KEYWORDS

Antennas

Reflectors

Analytical research

Radio telescopes

Spherical lenses

Telescopes

Astronomy

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