On couple-stress fluid heated from below in porous medium in hydromagnetics |
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Authors: | R C Sharma K D Thakur |
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Institution: | (1) Department of Mathematics, Himachal Pradesh University, Summer Hill, 171005 Shimla, India |
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Abstract: | A layer of electrically conducting couple-stress fluid heated from below in porous medium in presence of magnetic field is
considered. For stationary convection, the couplestress and magnetic field postpone the onset of convection whereas the medium
permeability hastens the onset of convection. The magnetic field introduces oscillatory modes in the system which were non-existent
in its absence. A sufficient condition for the non-existence of overstability is obtained. |
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