Hydromagnetic Stagnation-Point Flow towards a Radially Stretching Convectively Heated Disk

S. Shateyi and O. D. Makinde

Mathematical Problems in Engineering, 2013, vol. 2013, 1-8

Abstract:

The steady stagnation-point flow and heat transfer of an electrically conducted incompressible viscous fluid are extended to the case where the disk surface is convectively heated and radially stretching. The fluid is subjected to an external uniform magnetic field perpendicular to the plane of the disk. The governing momentum and energy balance equations give rise to nonlinear boundary value problem. Using a spectral relaxation method with a Chebyshev spectral collocation method, the numerical solutions are obtained over the entire range of the physical parameters. Emphasis has been laid to study the effects of viscous dissipation and Joule heating on the thermal boundary layer. Pertinent results on the effects of various thermophysical parameters on the velocity and temperature fields as well as local skin friction and local Nusselt number are discussed in detail and shown graphically and/or in tabular form.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:616947

DOI: 10.1155/2013/616947

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