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- Title
Unsteady magnetohydrodynamic micropolar fluid flow and heat transfer over a vertical porous plate through a porous medium in the presence of thermal and mass diffusion with a constant heat source.
- Authors
Hassanien, I A; Ibrahim, F S; Bakr, A. A
- Abstract
In this work, the effects of a temperature-dependent heat source on the hydromagnetic free-convective flow (set up due to temperature as well as species concentration) of an electrically conducting micropolar fluid past a steady vertical porous plate through a highly porous medium has been analyzed when the free stream oscillates in magnitude. A uniform magnetic field acts perpendicularly to the porous surface, which absorbs the micropolar fluid with constant suction velocity. The method of solution can be applied for a small perturbation approximation. The numerical results of velocity and temperature distributions of micropolar fluids are compared with the corresponding flow problems for a Newtonian fluid. The effects of the material parameters on velocity, angular momentum, concentration, and temperature fields across the boundary layer are investigated. In addition, the skin-friction coefficient and Nusselt number are shown in tabular form.PACS Nos.: 44.05.+e, 44.30.+v, 47.11.+j, 47.27.Te, 47.55.Mh, 47.65.+a, 47.50.+d
- Subjects
MAGNETIC fields; ELECTROMAGNETIC theory; ANGULAR momentum (Mechanics); NEWTONIAN fluids; NUSSELT number; FLUID mechanics
- Publication
Canadian Journal of Physics, 2004, Vol 82, Issue 10, p775
- ISSN
0008-4204
- Publication type
Article
- DOI
10.1139/P04-021