Aly, Abdelraheem, Chamkha, A. J, Raizah, Z. A. S. (1399). Radiation and Chemical Reaction Effects on Unsteady Coupled Heat and Mass Transfer by Free Convection from a Vertical Plate Embedded in Porous Media. هنرهای کاربردی, 7(2), 95-103. doi: 10.22075/jhmtr.2019.10763.1149
Abdelraheem Aly; A. J Chamkha; Z. A. S Raizah. "Radiation and Chemical Reaction Effects on Unsteady Coupled Heat and Mass Transfer by Free Convection from a Vertical Plate Embedded in Porous Media". هنرهای کاربردی, 7, 2, 1399, 95-103. doi: 10.22075/jhmtr.2019.10763.1149
Aly, Abdelraheem, Chamkha, A. J, Raizah, Z. A. S. (1399). 'Radiation and Chemical Reaction Effects on Unsteady Coupled Heat and Mass Transfer by Free Convection from a Vertical Plate Embedded in Porous Media', هنرهای کاربردی, 7(2), pp. 95-103. doi: 10.22075/jhmtr.2019.10763.1149
Aly, Abdelraheem, Chamkha, A. J, Raizah, Z. A. S. Radiation and Chemical Reaction Effects on Unsteady Coupled Heat and Mass Transfer by Free Convection from a Vertical Plate Embedded in Porous Media. هنرهای کاربردی, 1399; 7(2): 95-103. doi: 10.22075/jhmtr.2019.10763.1149

Radiation and Chemical Reaction Effects on Unsteady Coupled Heat and Mass Transfer by Free Convection from a Vertical Plate Embedded in Porous Media

Journal of Heat and Mass Transfer Research
مقاله 64، دوره 7، شماره 2 - شماره پیاپی 14، بهمن 2020، صفحه 95-103    اصل مقاله (1.28 M)
نوع مقاله: Full Length Research Article
شناسه دیجیتال (DOI): 10.22075/jhmtr.2019.10763.1149
نویسندگان
Abdelraheem Aly* 1؛ A. J Chamkha2؛ Z. A. S Raizah3
1Department of Mathematics, Faculty of Science, South Valley university, Qena, Egypt
2Faculty of Engineering, Kuwait College of Science and Technology, Doha District, Kuwait.
3Department of Mathematics, Faculty of Science, Abha, King Khalid University, Saudi Arabia.
چکیده
A numerical solution is presented for unsteady coupled heat and mass transfer by natural convection from a vertical plate embedded in a uniform porous medium in the presence of thermal radiation and chemical reaction effects. The governing equations for this problem were developed and non-dimensionalized and the resulting equations were then solved numerically by an explicit finite-difference scheme. The Roseland approximation is used to describe the radiative heat flux in the energy equation. The solutions at each time step have been found to reach the steady state solution properly. The numerical results are presented in the graphical form to show the effects of material parameters including the thermal buoyancy, the solutal buoyancy, Reynolds number, the inverse thermal radiation parameter, the permeability parameter, Prandtl number, Schmidt number and the chemical reaction parameter on the skin-friction coefficient, the Nusselt number, the Sherwood number, the velocity profiles, the temperature profiles and the concentration profiles in the boundary layer.
کلیدواژه‌ها
Finite-difference solution؛ radiation؛ chemical reaction؛ Porous medium
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