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RESEARCH PAPERS: Porous Media

Combined Influence of Mass and Thermal Stratification on Double-Diffusion Non-Darcian Natural Convection From a Wavy Vertical Wall to Porous Media

[+] Author and Article Information
B. V. Rathish Kumar, Shalini

Parallel Computing Laboratory, Department of Mathematics, Indian Institute of Technology, Kanpur, 208 016, India

J. Heat Transfer 127(6), 637-647 (Jun 06, 2005) (11 pages) doi:10.1115/1.1863258 History: Received March 07, 2004; Revised November 20, 2004; Online June 06, 2005
Copyright © 2005 by ASME
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Figures

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Schematic diagram of the coordinate system with the boundary conditions
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Grid validation tests for various grids: (a) with Gr*=0, (b) with Gr*=1000 and with a=0.2,ϕ=0 deg, B=2,Le=1,ST=0.05, and SC=0.025
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Local Nusselt number plots with (a) varying a, (b) varying Gr*, (c) varying ST and corresponding average Nusselt number plots are in (b), (d) and (f ), respectively.
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f contours for (a) a=0.0, (b) a=0.5 with ϕ=0 deg, B=2,Le=1,Gr*=1,ST=0.05, and SC=0.025, corresponding T and C contours are in (c) and (d) and in (e) and (f ) respectively.
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f-contours for (a) Gr*=0, (b) Gr*=1, (c) Gr*=102 with a=0.2,ϕ=0 deg, B=2,Le=1,ST=0.05, and SC=0.025, corresponding T and C contours are in (d)–(f ) and in (g)–(i) respectively.
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T contours in (a)–(c) and C contours in (d)–(f ) corresponding to ST=0.0, 0.05, 0.1, respectively, with a=0.2,ϕ=0 deg, Gr*=1,B=2,Le=1, and SC=0.025.T contours with varying SC(SC=0.0, 0.025, 0.05) are in (g)–(i) with other parameters fixed as a=0.2,ϕ=0 deg, Gr*=1,B=2,Le=1, and ST=0.05.
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Local Nusselt number plots with (a) varying B, (c) varying Le and corresponding average Nusselt number plots are in (b) and (d), local Sherwood number plots with varying Le in (e) and corresponding average Sherwood number plots in (f ).
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T contours for (a) B=0, (b) B=2, and (c) B=4 with a=0.2,ϕ=0 deg, Gr*=1,Le=1,ST=0.05, and SC=0.025.T contours in (d)–(f ) and C contours in (g)–(i) corresponding to Le=0.05, 1, 5, respectively, with a=0.2,ϕ=0 deg, Gr*=1,B=2,ST=0.05, and SC=0.025.

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