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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