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1 International Journal of Applied Mechanics and Engineering

1 2009

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Effect of presence of dust particles on soret-driven ferrothermohaline convection

Sekar R., Vaidyanathan G., Hemalatha R.

International Journal of Applied Mechanics and Engineering

2009

Vol. 14, no 2

509-522

Soret driven thermoconvective instability in multicomponent fluids has wide applications in heat and mass transfer. This paper deals with the theoretical investigation of the effect of dust particles on Soret-driven thermohaline convection in a ferrofluid, heated and soluted from below subjected to a transverse uniform magnetic field. An exact solution is obtained for the case of two free boundaries. A linear stability analysis is used. A normal mode technique is applied. Both stationary and oscillatory instabilities are investigated. It is found that the system stabilizes through stationary mode. The non-buoyancy magnetization parameter and the dust particle parameter are found to destabilize the system. The Soret coefficient and the stable solute gradient tend to stabilize the system. The results are presented graphically.