Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..94..311r&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 94, no. 2, Aug. 1983, p. 311-317.
Astronomy and Astrophysics
Astrophysics
Free Convection, Magnetohydrodynamic Flow, Porous Walls, Stellar Magnetic Fields, Stellar Structure, Suction, Conducting Fluids, Convective Heat Transfer, Flow Characteristics, Grashof Number, Incompressible Flow, Viscous Flow
Scientific paper
A two-dimensional steady hydromagnetic flow of a viscous, incompressible, and electrically-conducting fluid past a porous and infinite limiting surface with a constant suction is considered. The presence of an externally uniform magnetic field which is perpendicular at the surface, of constant heat flux at the limiting surface, of constant free velocity, and of a magnetic Reynolds number which is not small is assumed. The Prandtl number is taken to be equal to 0.71, which corresponds physically to the air, and the dimensional velocity is taken to be equal to one. It is found that the temperature increases with increasing Grashof number, that the dimensionless skin friction increases with increase in the magnetic parameter, and that the Nusselt number decreases when the magnetic parameter increases.
Raptis A. A.
Tzivanidis G.
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