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

Ahmad Hussein Abdul Hamid; Wisam AlSaadi; Alban Potherat; Gregory Sheard

doi:10.1063/1.4919906

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

Ahmad Hussein Abdul Hamid, Wisam AlSaadi, Alban Potherat, Gregory Sheard

Mechanical & Aerospace Engineering

Research output: Contribution to journal › Article › Research › peer-review

16 Citations (Scopus)

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 ≤ Re_L ≤ 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
Pages (from-to)	1 - 23
Number of pages	23
Journal	Physics of Fluids
Volume	27
Issue number	5
DOIs	https://doi.org/10.1063/1.4919906
Publication status	Published - 2015

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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.",

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PY - 2015

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AB - 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.

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

Abstract

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