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.
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Original Russian Text © A.I. Aleksyuk, V.P. Shkadova, V.Ya. Shkadov, 2012, published in Vestnik Moskovskogo Universiteta, Matematika. Mekhanika, 2012, Vol. 67, No. 3, pp. 24–32.
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Aleksyuk, A.I., Shkadova, V.P. & Shkadov, V.Y. Formation, evolution, and decay of a vortex street in the wake of a streamlined body. Moscow Univ. Mech. Bull. 67, 53–61 (2012). https://doi.org/10.3103/S0027133012030016
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DOI: https://doi.org/10.3103/S0027133012030016