Double Diffusive Convection in a Layer of Maxwell Viscoelastic Fluid in Porous Medium in the Presence of Soret and Dufour Effects | Zendy

Ramesh Chand | Zendy; Geeta Rana | Zendy

Open Access

Double Diffusive Convection in a Layer of Maxwell Viscoelastic Fluid in Porous Medium in the Presence of Soret and Dufour Effects

Author(s) -

Ramesh Chand,

Geeta Rana

Publication year - 2014

Publication title -

journal of fluids

Language(s) - English

Resource type - Journals

eISSN - 2356-7376

pISSN - 2314-6826

DOI - 10.1155/2014/479107

Subject(s) - thermophoresis , porous medium , rayleigh number , convection , lewis number , double diffusive convection , natural convection , viscoelasticity , thermodynamics , materials science , rayleigh scattering , rayleigh–bénard convection , temperature gradient , mechanics , porosity , physics , heat transfer , mass transfer , optics , meteorology , composite material , nanofluid

Double diffusive convection in a horizontal layer of Maxwell viscoelastic fluid in a porous medium in the presence of temperature gradient (Soret effects) and concentration gradient (Dufour effects) is investigated. For the porous medium Darcy model is considered. A linear stability analysis based upon normal mode technique is used to study the onset of instabilities of the Maxwell viscolastic fluid layer confined between two free-free boundaries. Rayleigh number on the onset of stationary and oscillatory convection has been derived and graphs have been plotted to study the effects of the Dufour parameter, Soret parameter, Lewis number, and solutal Rayleigh number on stationary convection

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