Formation, evolution, and decay of a vortex street in the wake of a streamlined body
Authors:
- 1 May 2012
- journal article
- Published by Allerton Press in Moscow University Mechanics Bulletin
- Vol. 67 (3) , 53-61
Abstract
The decay of a Kármán vortex street and the formation of a secondary vortex structure in the far wake of a streamlined cylinder are studied. The dynamics of spatially evolving vortex structures is examined in the free flow and in the following ways of external influence on this flow: rotation with a constant velocity and translational and rotational oscillations of the cylinder. The results are obtained by numerically solving the Navier-Stokes equations with two different methods. The corresponding boundary value problems are formulated in the domains extended up to 500 radii of the cylinder.Keywords
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