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1 International Journal of Applied Mechanics and Engineering

1 2003

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Hall effects on unsteady hydromagnetic flow in a rotating system with oscillating pressure gradient

Ghosh S. K., Pop I.

International Journal of Applied Mechanics and Engineering

2003

Vol. 8, no 1

43-56

The Hall effects on unsteady MHD plasma behaviour of a rotating environment with oscillating pressure gradient in the presence of a transverse magnetic field have been studied. The solution in a dimensionless form contains five pertinent flow parameters, viz., 'alpha'm, E, P, 'omega' and m are, respectively, the magnetic interaction parameter, the Ekman number, the magnetic Prandtl number, the inertial frequency and the Hall current parameter. A new approach is based on the plasma behaviour in the electromagnetic field in a rotating environment which corresponds to inertial frequency over the oscillating pressure gradient. Eventually, the dominance of inertial frequency is experienced by the mechanism; the whole system stops due to the absence of inertial frequency of a rotating environment.