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Suppression of Kármán vortex excitation of a circular cylinder by a second cylinder set downstream in cruciform arrangement

Bae, Heon Meen and Baranyi, László and Koide, Mizuyasu and Takahashi, Tsutomu and Shirakashi, Masataka (2001) Suppression of Kármán vortex excitation of a circular cylinder by a second cylinder set downstream in cruciform arrangement. JOURNAL OF COMPUTATIONAL AND APPLIED MECHANICS, 2 (2). pp. 175-188. ISSN 1586-2070

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Abstract

A new technique for suppressing the Kármán vortex excitation of an elastically supported cylinder placed in an otherwise uniform flow is presented in this paper. By placing an another cylinder downstream of it in a cruciform arrangement with a gap s between them, the oscillation of the upstream cylinder can be virtually eliminated in the range of s/d1 < 0.4, where d1 is the diameter of the upstream cylinder. Compared with conventional techniques, this possesses the following advantages: i) it is unnecessary to change the shape of the oscillating body or remodel its supporting structure, and ii) the flow approaching the upstream body is practically undisturbed.

Item Type: Article
Subjects: T Technology / alkalmazott, műszaki tudományok > T2 Technology (General) / műszaki tudományok általában
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 30 Sep 2013 08:22
Last Modified: 30 Sep 2013 08:22
URI: http://real.mtak.hu/id/eprint/6780

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