The onset of thermal convection in couple-stress fluid in hydromagnetics saturating a porous medium
2014 ◽
Vol 62
(2)
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pp. 357-362
Keyword(s):
Abstract In this paper, the effect of magnetic field on thermal convection in couple-stress fluid saturating a porous medium is considered. By applying linear stability theory and the normal mode analysis method, a mathematical theorem is derived which states that the viscoelastic thermal convection at marginal state, cannot manifest as stationary convection if the thermal Rayleigh number R, the medium permeability parameter Pι the couple-stress parameter F and the Chandrasekher number Q, satisfy the inequality the result clearly establishes the stabilizing character of couple-stress parameter and magnetic field whereas destabilizing character of medium permeability.
2011 ◽
Vol 66
(5)
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pp. 304-310
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2016 ◽
Vol 21
(1)
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pp. 83-93
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2021 ◽
Vol 16
◽
pp. 68-78
2013 ◽
Vol 35
(3)
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pp. 45-56
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2013 ◽
Vol 18
(3)
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pp. 871-886
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