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An analysis of a two cylinder-fluid interaction at critical gap spacing by a cell boundary element method

Ravi, A.B., Tan, M. and Price, W.G. (2008) An analysis of a two cylinder-fluid interaction at critical gap spacing by a cell boundary element method European Physical Journal - Special Topics, 165, (1), pp. 151-160. (doi:10.1140/epjst/e2008-00858-8).

Record type: Article

Abstract

Incompressible viscous, uniform flow past two parallel cylinders of equal diameter at a critical gap spacing g? = 0.90 to 1.10 is investigated using the viscous cell boundary element method. In this critical flow zone an irregular interchange of in-phase and anti-phase wake flows is observed and the switching mechanism between the states is investigated. Numerical studies undertaken at space increments of 0.05, including the central case g? = 1.0, detail the flow characteristics in time and space domains. Probability and power spectral analyses are presented to illustrate the statistical characteristics of the drag and lift flow parameters and vortex shedding patterns assessed through examination of their frequencies.

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Published date: 21 December 2008
Keywords: vortex shedding, two cylinders, critical spacing, viscous cell boundary element method
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 66059
URI: http://eprints.soton.ac.uk/id/eprint/66059
ISSN: 1951-6355
PURE UUID: 49f1f5b3-45b9-4fc2-9f8f-eb8d88772bcc

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Date deposited: 24 Apr 2009
Last modified: 19 Jul 2017 00:28

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Contributors

Author: A.B. Ravi
Author: M. Tan
Author: W.G. Price

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