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Computational Thermal Sciences: An International Journal
ESCI SJR: 0.249 SNIP: 0.434 CiteScore™: 1.4

ISSN 印刷: 1940-2503
ISSN オンライン: 1940-2554

Computational Thermal Sciences: An International Journal

DOI: 10.1615/ComputThermalScien.2017019817
pages 383-393

PREDICTION OF THERMOSOLUTAL CONVECTION IN A POROUS MEDIUM WITH SORET-DUFOUR AND CHEMICAL REACTION EFFECTS

Mohamed El Haroui
University of Sidi Mohamed Ben Abdellah, Polydisciplinary Faculty of Taza, LSI, Team of Numerical Modeling in Mechanics Applied (MNMA), BP.1223, Taza, Morocco
M. Sriti
University of Sidi Mohamed Ben Abdellah, Polydisciplinary Faculty of Taza, LSI, Team of Numerical Modeling in Mechanics Applied (MNMA), BP.1223, Taza, Morocco
Driss Achemlal
University of Sidi Mohammed Ben Abdellah, Polydisciplinary Faculty of Taza
E. Flilihi
University of Sidi Mohamed Ben Abdellah, Polydisciplinary Faculty of Taza, LSI, Team of Numerical Modeling in Mechanics Applied (MNMA), BP.1223, Taza, Morocco

要約

The thermosolutal free convection flow in a saturated porous medium past a vertical porous plate exposed to three thermal states of the surface and a constant concentration is numerically analyzed in the presence of chemical reaction, uniform suction, or injection and Soret-Dufour effects. The mathematical model of the problem is reduced into a set of coupled nonlinear ordinary differential equations, using unique similarity transformations. The resulting equations are solved numerically by a computational code based on the fifth-order Runge-Kutta scheme along with the shooting iteration technique. A comparison to previously published work is performed, and the results were in excellent agreement. The obtained results are displayed graphically for various controlling parameters. It was found that the chemical reaction has a relevant effect on the concentration field. Also, the thermal state of the plate surface has an important effect on the temperature and concentration profiles as on the wall heat and mass transfer rates.


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