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- Title
Magnetic field effects on unsteady convective flow along a vertical porous flat surface embedded in a porous medium with constant suction and heat sink.
- Authors
Das, S. S.; Mohanty, J.; Das, P.
- Abstract
The magnetohydrodynamic unsteady convective flow of a viscous incompressible fluid along a vertical porous plate embedded in a porous medium with constant suction and heat sink is considered. Approximate solutions for velocity, temperature, skin friction and rate of heat transfer are obtained by solving the governing equations of the flow field using multi parameter perturbation technique. The effects of various flow parameters affecting the flow field are discussed with the help of figures and table. It is observed that a growing magnetic parameter or heat sink parameter retards the transient velocity of the flow field while the Grashof number or permeability parameter reverses the effect. Further, an increase in magnetic parameter or Prandtl number or heat sink parameter decreases the transient temperature of the flow field. A growing permeability parameter enhances the magnitude of skin friction and the rate of heat transfer at the wall, while the magnetic parameter reverses the effect.
- Subjects
MAGNETIC fields; HEAT sinks (Electronics); HEAT transfer; SPEED; HEAT convection; PERMEABILITY
- Publication
International Journal of Energy & Environment, 2011, Vol 2, Issue 4, p691
- ISSN
2076-2895
- Publication type
Article