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Analytical investigation of the hydromagnetic flow in a porous medium due to periodically heated oscillating plate

Sharma B. K., Sharma P. K., Chand T., Chaudhary R. C.

International Journal of Applied Mechanics and Engineering

2012

Vol. 17, no. 4

1367-1375

The Stokes second problem in the presence of a magnetic field in a porous medium is considered. The flow is due to an oscillating plate at the bottom of the porous medium of finite thickness and fully saturated with the viscous incompressible liquid. The plate is kept at oscillating temperature and a transverse uniform magnetic field is applied normal to the plate. It is assumed that the flow in the porous medium is governed by the Brinkman equations. The flows at the interface (porous medium-clear fluid boundary) are matched by the conditions suggested by Ochao-Tapia and Whittaker. Approximate solutions for velocity, temperature field, skin-friction and rate of heat transfer are calculated and effects of various parameters upon them are examined

Effect of radiation on temperature distribution in three-dimensional Couette flow with heat source/sink

Sharma B. K., Sharma P. K., Chand T.

International Journal of Applied Mechanics and Engineering

2011

Vol. 16, no 2

531-542

An analysis of a three-dimensional Couette flow with radiation effect on temperature distribution in the presence of heat source/sink is analysed, when the injection of the fluid at the lower stationary plate is transverse sinusoidal and its corresponding removal by constant suction through the porous plate in uniform motion. Due to this type of injection the flow velocity becomes three-dimensional. The effect of the Prandtl number, injection and source/sink parameters on the rate of heat transfer is examined. The Prandtl number has a much greater effect on the temperature distribution than the injection or source/sink parameters.

Three dimensional flow and heat transfer through a porous medium

Chaudhary R. C., Chand T.

International Journal of Applied Mechanics and Engineering

2002

Vol. 7, no 4

1141-1156

The effect of permeability on the heat transfer and the flow through a highly porous medium bounded by an infinite porous surface is investigated. The periodic transverse suction velocity is applied to the surface due to which the flow becomes three-dimensional. The surface is kept at oscillating wall temperature. Analytical expressions for velocity, temperature, skin friction and rate of heat transfer are obtained. The important characteristics of the problem, the skin friction and the rate of heat transfer are discussed in detail with the help of graphs and tables.