年間 12 号発行
ISSN 印刷: 1091-028X
ISSN オンライン: 1934-0508
Indexed in
SORET AND DUFOUR EFFECTS ON DOUBLE DIFFUSIVE CONVECTIVE FLOWTHROUGH A NON-DARCY POROUS MEDIUM IN A CYLINDRICAL ANNULAR REGION IN THE PRESENCE OF HEAT SOURCES
要約
This article considers the combined influence of Soret and Dufour effects on convective heat and mass transfer flow of a viscous electrically conducting fluid through a porous medium confined in an annular region between the cylinders r = a and r = b in the presence of heat-generating sources. The governing equations of flow, heat, and mass transfer are solved by employing the Galerkin finite element analysis. The accuracy of the numerical method is validated by a direct comparison with previously published work. Numerical results for the velocity, temperature, and concentration distributions as well as the Nusselt number and the Sherwood number at r = 1 and r = 2 for various parametric values of the Soret and Dufour numbers, heat source/sink parameter, Forchheimer inertia parameter, and the chemical reaction are reported graphically and discussed. It is found that the velocity, temperature, and concentration profiles increase as the inertial parameter increases. Also, increasing either of the Soret and Dufour parameters, heat source/sink parameter, or the chemical reaction parameters causes the velocity profiles to increase while the temperature and concentration profiles decrease.
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