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Vortex-excited vibration of a circular cylinder in planar oscillating flow

Hayashi, K., Higaki, F., Shigemura, T. and Chaplin, J.R. (2003) Vortex-excited vibration of a circular cylinder in planar oscillating flow International Journal of Offshore and Polar Engineering, 13, (4), pp. 266-273.

Record type: Article

Abstract

Laboratory investigation has been made for a comprehensive study of the dynamic transverse response of a circular cylinder in planar oscillating flow. The test cylinder, 0.03 m in diameter and 0.48 m in length, is mounted horizontally at the mid-point of the water depth and is supported flexibly by a spring in the transverse direction. The variations of the transverse response of the test cylinder with frequency ratio fd/fnw (fd : frequency of oscillatory incident flow; fnw: natural frequency of the test cylinder in still water) and Keulegan-Carpenter number, KC, as the function of typical combined mass ratio-damping parameter, Scruton number Ksp, are obtained in the range of 4 < KC < 20 and 0 75 < Ksp < 14 5. The appearance of 2 types of peak in the amplitude of vortex-excited vibration, which occurs similarly in the vortex-excited vibration of a vertical circular cylinder in waves, is also recognized for the right value of typical Scruton number Ksp.

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Published date: December 2003

Identifiers

Local EPrints ID: 53802
URI: http://eprints.soton.ac.uk/id/eprint/53802
ISSN: 1053-5381
PURE UUID: c57c37a3-ac28-4a67-9883-0db796c6ec57

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Date deposited: 22 Jul 2008
Last modified: 17 Jul 2017 14:37

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Contributors

Author: K. Hayashi
Author: F. Higaki
Author: T. Shigemura
Author: J.R. Chaplin

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