DOUBLE DIFUSION EFFECTS ON CONVECTION IN FLOW ON VERTICAL PLATE IMBEDDED IN A POROUS MEDIA | Zendy

Z. Aouachria | Zendy; F. Rouichi | Zendy; Djamel Haddad | Zendy

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DOUBLE DIFUSION EFFECTS ON CONVECTION IN FLOW ON VERTICAL PLATE IMBEDDED IN A POROUS MEDIA

Author(s) -

Z. Aouachria,

F. Rouichi,

Djamel Haddad

Publication year - 2012

Publication title -

frontiers in heat and mass transfer

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 18

ISSN - 2151-8629

DOI - 10.5098/hmt.v3.2.3004

Subject(s) - thermal fluids , porous medium , frontier , flow (mathematics) , thermal , materials science , fluid dynamics , heat transfer , mechanics , porosity , convective heat transfer , political science , meteorology , physics , composite material , law

Natural convection flow past a vertical porous plate in a porous medium is studied numerically, by taking into account the Dufour and Soret effects. The similarity equations of the problem considered are obtained by using usual similarity technique. This system of ordinary differential equations, which are solved numerically by using the Nachtsheim -Swigerst hooting iteration technique together with a sixth order Runge-Kutta integrations scheme. The results show that Soret and Dufour effects do not appreciably influence the velocity, temperature and concentration fields, but rather only tend to increase the mass and energy flux due to the added contributions.

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