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2 International Journal of Applied Mechanics and Engineering

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Transient free convection MHD flow between two long vertical parallel plates with constant temperature and mass diffusion

Rajput U. S., Sahu P. K.

International Journal of Applied Mechanics and Engineering

2012

Vol. 17, no. 2

459-469

A transient free convection flow between two long vertical parallel plates with constant temperature and mass diffusion was studied by Narahari Marneni (2008). In the present paper, we investigate the effects of MHD on transient free convection flow of an incompressible viscous electrically conducting fluid between two infinite vertical parallel plates with constant temperature and mass diffusion, under the assumption that the induced magnetic field is negligible. The Laplace transform method is used to find the solutions for the velocity, temperature and concentration profiles. The velocity, temperature and concentration profiles are studied for different parameters like the Prandtl number, Schmidt number, magnetic parameter, buoyancy ratio parameter and time. The values of the skin-friction and volume flux for different parameters are tabulated.

Transient free convection MHD flow through a porous medium between two vertical plates

Kalita B., Borkakati A. K.

International Journal of Applied Mechanics and Engineering

2005

Vol. 10, no 1

87-94

An analysis is presented to investigate the flow and heat transfer characteristic of a viscous incompressible and electrically conducting fluid through a porous medium bounded by two long vertical parallel plates in the presence of a uniform magnetic field applied transversely to the flow. The governing momentum and energy equations are solved by the Laplace transform technique and the solutions are presented for velocity and temperature distributions and shear stress. The effects of the four parameters, namely, the Darcy number, viscosity ratio parameter, magnetic Hartmann number, and Prandtl number on temperature and velocity distributions are shown in graphs and presented through the results and discussion. Also, the effects of these four parameters on skin friction are given.