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Hall effects on MHD flow past an accelerated plate with heat transfer

Sundarnath J. K., Muthucumarswamy R.

International Journal of Applied Mechanics and Engineering

2015

Vol. 20, no. 1

171--181

Hall current and rotation on an MHD flow past an accelerated horizontal plate relative to a rotating fluid, In the presence of heat transfer has been analyzed. The effects of the Hall parameter, Hartmann number, rotation parameter (non-dimensional angular velocity), Grashof’s number and Prandtl number on axial and transverse velocity profiles are presented graphically. It is found that with the increase in the Hartmann number, the axial and transverse velocity components increase in a direction opposite to that of obtained by increasing the Hall parameter and rotation parameter. Also, when […], it is observed that the transverse velocity component vanishes and axial velocity attains a maximum value.

Influence of soret effect on mhd mixed convection flow of visco-elastic fluid past a vertical surface with hall effect

Jha A. K., Choudhary K., Sharma A.

International Journal of Applied Mechanics and Engineering

2014

Vol. 19, no. 1

79--95

The present paper deals with the unsteady motion of an MHD free convection flow of an incompressible non- Newtonian viscoelastic fluid past an infinite vertical plate in the presence of a heat source and Soret effect. A parametric study illustrating the influence of various parameters on the temperature, velocity as well as on the skin-friction and rate of heat transfer is conducted. The results of the effect of the magnetic field, the parameter describing the non-Newtonian behavior, and the velocity of suction and injection on both the velocity and temperature distributions are examined and shown graphically.

Hall effects on oscillatory Couette flow

Ghara N., Maji S. L., Das S., Jana R. N.

International Journal of Applied Mechanics and Engineering

2011

Vol. 16, no 4

1005-1020

Hall effects on the oscillatory Couette flow between two horizontal parallel plates are studied. One of the plate is at rest and the other one oscillates in its own plane. The effects of Hall and frequency parameters on the velocities and the shear stresses for the steady and unsteady flows are analyzed. It is found that the shear stresses at the M stationary plate due to the unsteady primary and secondary velocities have a phase lag over the plate oscillations for those values of the Hall parameter m, Hartmann number and the frequency parameter , we have considered.