Spatial evolution of a quasi-two-dimensional Kármán vortex street subjected to a strong uniform magnetic field

Ahmad H.A. Hamid, Wisam K. Hussam, Alban Potherat, Gregory J. Sheard

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    Abstract

    A vortex decay model for predicting spatial evolution of peak vorticity in a wake behind a cylinder is presented. For wake vortices in the stable region behind the formation region, results have shown that the presented model has a good capability of predicting spatial evolution of peak vorticity within an advecting vortex across 0.1 ≤ β ≤ 0.4, 500 ≤ H ≤ 5000, and 1500 ≤ ReL ≤ 8250. The model is also generalized to predict the decay behaviour of wake vortices in a class of quasi-two-dimensional magnetohydrodynamic duct flows. Comparison with published data demonstrates remarkable consistency.
    Original languageEnglish
    JournalPhysics of Fluids
    Volume27
    Issue number5
    DOIs
    Publication statusPublished - May 2015

    Bibliographical note

    Copyright (2015) American Institute of Physics. This article may be downloaded for personal
    use only. Any other use requires prior permission of the author and the American Institute
    of Physics.
    The following article appeared in Hamid, Ahmad H.A. , Hussam, Wisam K. , Potherat, A. and
    Sheard, Gregory J. (2015) Spatial evolution of a quasi-two-dimensional Kármán vortex street
    subjected to a strong uniform magnetic field. Physics of Fluids, volume 27 (5) and may be
    found at http://dx.doi.org/10.1063/1.4919906

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