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 language | English |
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Journal | Physics of Fluids |
Volume | 27 |
Issue number | 5 |
DOIs | |
Publication status | Published - May 2015 |
Bibliographical note
Copyright (2015) American Institute of Physics. This article may be downloaded for personaluse 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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Alban Potherat
- Research Centre for Fluid and Complex Systems - Centre Director
Person: Teaching and Research