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Numerical simulation and flow visualization using soap film of the self-organized vortex structure in the wake of an array of cylinders

Title:

Numerical simulation and flow visualization using soap film of the self-organized vortex structure in the wake of an array of cylinders

Haque, Mohammad Rafiqul, Fayed, Mohamed, Gunter, Amy-Lee, Smadi, Othman, Kadem, Lyes and Ng, Hoi Dick (2011) Numerical simulation and flow visualization using soap film of the self-organized vortex structure in the wake of an array of cylinders. Journal of Visualization, 14 (4). pp. 311-314. ISSN 1343-8875

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Official URL: http://dx.doi.org/10.1007/s12650-011-0091-0

Abstract

With the aid of computational fluid dynamics (CFD) and simple flow visualization technique using flowing soap-film, we present here the wake structures behind an array of cylinders for Reynolds numbers corresponding to both laminar and turbulent flow regimes. The image results illustrate interesting vortex interactions past these equally spaced cylinders; for low Reynolds number flow, well-organized wake pattern persists and manifests unsteadily to different symmetry states. An increase of free stream flow velocity causes the wake transition, resulting in the formation of asymmetric flow wake with chaotic mixing at the far wake. Observations from both the numerical simulations and soap-film are in good agreement at least qualitatively.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Mechanical and Industrial Engineering
Item Type:Article
Refereed:Yes
Authors:Haque, Mohammad Rafiqul and Fayed, Mohamed and Gunter, Amy-Lee and Smadi, Othman and Kadem, Lyes and Ng, Hoi Dick
Journal or Publication:Journal of Visualization
Date:2011
Digital Object Identifier (DOI):10.1007/s12650-011-0091-0
ID Code:974149
Deposited By: ANDREA MURRAY
Deposited On:14 Jun 2012 20:25
Last Modified:18 Jan 2018 17:37
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