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Proceedings Paper

Study on thermally induced vibration of flexible boom in various thermal environments of vacuum chamber
Author(s): Changduk Kong; Kyung-Won Oh; Hyun-Bum Park; Y. Sugiyama
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Paper Abstract

In order to simulate the thermally-induced vibration phenomenon of the flexible thin boom structure of the spacecraft such as the thin solar panel and the flexible cantilever with the attached tip mass in space, the thermally-induced vibration including thermal flutter of the flexible thin boom with the concentrated tip mass was experimentally investigated at various thermal environments using a heat lamp and both vacuum and air condition using the vacuum chamber. In this experimental study, divergence speed, natural frequency and thermal strains of the thermally-induced vibration were comparatively evaluated at various thermal environment conditions. Finally the thermally-induced vibration of the flexible boom structure of the earth orbit satellite in solar radiation environment from the earth eclipse region including umbra and penumbra was simulated using the vacuum chamber and power control of the heating lamp.

Paper Details

Date Published: 28 February 2005
PDF: 8 pages
Proc. SPIE 5649, Smart Structures, Devices, and Systems II, (28 February 2005); doi: 10.1117/12.582356
Show Author Affiliations
Changduk Kong, Chosun Univ. (South Korea)
Kyung-Won Oh, Rolling Stock Div. Lab. (South Korea)
Hyun-Bum Park, Chosun Univ. (South Korea)
Y. Sugiyama, Ryukoku Univ. (Japan)

Published in SPIE Proceedings Vol. 5649:
Smart Structures, Devices, and Systems II
Said F. Al-Sarawi, Editor(s)

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