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Effect of suspended particles on thermosolutal convection of Rivlin-Ericksen fluid in porous medium with variable gravity

Aggarwal A. K., Dixit D.

International Journal of Applied Mechanics and Engineering

2018

Vol. 23, no. 3

813--820

The thermosolutal stability of a layer of the Rivlin-Ericksen fluid in a porous medium is considered under varying gravity conditions. It is found that for stationary convection, medium permeability and suspended particles have a destabilizing/stabilizing effect when gravity increases/decreases. The stable solute gradient has a stabilizing effect on the system.

Thermosolutal convection in Rivlin-Ericksen fluid in porous medium in hydromagnetics

Sharma R. C., Sunil, Chand S.

Applied Mechanics and Engineering

1998

Vol. 3, no 1

171-180

The thermosolutal convection in Rivlin-Ericksen fluid in porous medium is considered in the presence of uniform vertical magnetic field. For the case of stationary convection, the stable solute gradient and magnetic field have stabilizing effects on the system, whereas, the medium permeability has destabilizing effect on the system. The kinematic viscoelasticity has no effect on stationary convection. The stable solute gradient and magnetic field 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.