Abstract
This paper considers the application of the UnsteadyReynolds Averaged Navier-Stokes (URANS) approach totwo types of electromagnetically influenced turbulent flows.The first is a periodic 2D channel flow with an imposedwall normal magnetic field (Hartmann flow) and the second is that of Rayleigh-B�enard convection with a vertical magnetic field imposed. The turbulence is represented by a low-Re k ?e model which is tested with and without electromagnetic modifications proposed by Kenjere?s & Hanjali�c (2000). The results show the modifications lead to a dramatic reorganisation of the coherent structures in Rayleigh-B�enard convection as the magnetic field strength is increased, but over-predict the damping of the turbulent shear stress in a simple channel flow.
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