Effect of magnetic Reynolds number on the two-dimensional hydromagnetic flow around a cylinder

Numerical experiments have been conducted to study the effect of magnetic Reynolds number on the steady, two‐dimensional, viscous, incompressible and electrically conducting flow around a circular cylinder. Besides usual Reynolds number Re, the flow is governed by the magnetic Reynolds number Rm and...

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Bibliographic Details
Published in:International journal for numerical methods in fluids 2009-04, Vol.59 (12), p.1351-1368
Main Authors: Sekhar, T. V. S., Sivakumar, R., Ravi Kumar, T. V. R.
Format: Article
Language:English
Subjects:
Computational methods in fluid dynamics
drag coefficient
Exact sciences and technology
Flow control
flow-separation
Fluid dynamics
full MHD
Fundamental areas of phenomenology (including applications)
magnetic Reynolds number
magnetohydrodynamics
Magnetohydrodynamics and electrohydrodynamics
Physics
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Summary:Numerical experiments have been conducted to study the effect of magnetic Reynolds number on the steady, two‐dimensional, viscous, incompressible and electrically conducting flow around a circular cylinder. Besides usual Reynolds number Re, the flow is governed by the magnetic Reynolds number Rm and Alfvén number β. The flow and magnetic field are uniform and parallel at large distances from the cylinder. The pressure Poisson equation is solved to find the pressure fields in the entire flow region. The effects of the magnetic field and electrical conductivity on the recirculation bubble, drag coefficient, standing vortex and pressure are presented and discussed. For low interaction parameter (N
ISSN:0271-2091
1097-0363
DOI:10.1002/fld.1870