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Research Journal of Engineering and Technology
ISSN: 2321-581X(Online), 0976-2973(Print)
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Triple- Diffusive Convection in Walters’ (Model B´) Fluid in Porous Medium in Hydromagnetics
Department of Mathematics, PSR Govt. College, Baijnath, HP (India)
The triple- diffusive convection in Walters’ (Model B´) fluid in porous medium is considered in the presence of uniform vertical magnetic field. For the case of stationary convection, the stable solute gradients and magnetic field have stabilizing effect on the system, whereas the medium permeability has a destabilizing (or stabilizing) effect on the system under certain conditions. A linear stability analysis theory and normal mode analysis method have been carried out to study the onset convection. The kinematic viscoelasticity has no effect on the stationary convection. The solute gradients, magnetic field, porosity and kinematic viscoelasticity introduce oscillatory modes in the system, which were non-existent in their absence. The sufficient conditions for the non-existence of overstability are also obtained.
Triple- diffusive convection; Walters’ (Model B´) fluid; Thermal convection; Solute gradients; Vertical magnetic field.
Suresh Chand. Triple- Diffusive Convection in Walters’ (Model B´) Fluid in Porous Medium in Hydromagnetics. Research J. Engineering and Tech. 3(2): April-June 2012 page140-145.
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