FIG. 5. Comparison of the average velocity profiles predicted from the one-domain approach (ODA) and the averaged velocity obtained from direct numerical simulations (DNS) near the fluid-porous medium boundary taking h ¼ 100 and four values of r 0 for (a) the porous structure of Type 1, e ¼ 0:8, (b) the porous structure of Type 1, e ¼ 0:4, and (c) the porous structure of Type 2, e ¼ 0:4.
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