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Heat transfer of MHD non-Newtonian Casson fluid flow between two rotating cylinders

Eldabe N. T. M. N. T. M., Saddeck G., El-Sayed A. F.

Mechanics and Mechanical Engineering

2001

Vol. 5, nr 2

237-251

A theoretical analysis of heat transfer of steady, incompressible and electrically conducting non-Newtonian Casson fluid flow between two rotating cylinders under a radial magnetic field is studied. The problem is considered when the inner cylinder is at rest and the outer cylinder rotating with a constant velocity. In this paper, the velocity distribution, magnetic induction, the temperature distribution, stress, shear rates and rate of heat transfer are obtained analytically by using perturbation technique and shown graphically for various values of aspect ratio, Casson number, Eckert number and magnetic parameter. The critical values of Casson number have been determined.