Hydromagnetic free convection flow in the stokes problem for a porous vertical limiting surface with constant suction |
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| Authors: | N D Nanousis G A Georgantopoulos A I Papaioannou |
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| Institution: | (1) Department of Mechanics, University of Patras, Greece |
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| Abstract: | This paper provides a comprehensive analysis of the effects of a uniform transverse magnetic field on the free-convection flow of a viscous incompressible and electrically conductive fluid (e.g., of a stellar atmosphere) past an impulsively started, infinite, porous, vertical limiting surface (e.g., of a star) with a constant suction. The magnetic Reynolds number is assumed small so that the induced magnetic field is considered negligible. Exact solution of the equations governing the flow is obtained in closed form with the help of the Laplace transform technique when the Prandtl numberP=1. Expressions are given for the velocity field, for the temperature field and for their related quantities. The results thus obtained are discussed quantitatively in the last section of this paper. |
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