Mukhopadhyay, A. ; Biswas, G. ; Sundararajan, T. (1992) Numerical investigation of confined wakes behind a square cylinder in a channel International Journal for Numerical Methods in Fluids, 14 (12). pp. 1473-1484. ISSN 0271-2091
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/fld.165...
Related URL: http://dx.doi.org/10.1002/fld.1650141208
Abstract
The structure of confined wakes behind a square cylinder in a channel is investigated via the numerical solution of the unsteady Navier-Stokes equations. Vortex shedding behind the cylinder induces periodicity in the flow field. Details of the phenomenon are simulated through numerical flow visualization. The unsteady periodic wake can be characterized by the Strouhal number, which varies with the Reynolds number and the blockage ratio of the channel. The periodicity of the flow is, however, damped in the downstream region of a long duct. This damping may be attributed to the influence of side walls on the flow structure.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons. |
| Keywords: | Bluff Body; Wake; Vortex Shedding; Unsteady Periodic Flow |
| ID Code: | 59895 |
| Deposited On: | 07 Sep 2011 14:21 |
| Last Modified: | 07 Sep 2011 14:21 |
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