Research Article
Free Convection Heat Transfer in Composite Enclosures with Porous and Nanofluid Layers
Table 3
Variations of the average Nusselt number with the Darcy number for various values of the governing parameters.
| | 0.5 | 5.0 | | | | | | | | | | EnI | EnII | EnI | EnII | EnI | EnII | EnI | EnII | EnI | EnII | EnI | EnII |
| 0.01 | 0.1 | 2.86 | 4.32 | 4.33 | 6.57 | 5.29 | 6.61 | 5.91 | 4.27 | 11.48 | 6.42 | 16.25 | 6.46 | 0.3 | 1.39 | 2.67 | 3.86 | 6.58 | 5.42 | 6.68 | 4.82 | 3.02 | 14.28 | 6.21 | 26.42 | 6.35 | 0.5 | 0.94 | 1.87 | 3.91 | 6.58 | 5.51 | 6.77 | 4.13 | 2.43 | 14.52 | 6.01 | 26.45 | 6.28 | 0.7 | 0.72 | 1.48 | 3.98 | 6.60 | 5.60 | 6.89 | 3.61 | 2.64 | 14.08 | 5.85 | 26.10 | 6.29 | 0.9 | 0.62 | 0.93 | 4.06 | 5.53 | 5.70 | 6.66 | 4.04 | 4.05 | 13.45 | 6.40 | 25.77 | 8.21 |
| 0.02 | 0.1 | 3.05 | 4.50 | 4.53 | 7.00 | 5.55 | 7.04 | 6.29 | 4.48 | 11.94 | 6.84 | 16.93 | 6.89 | 0.3 | 1.48 | 2.73 | 3.98 | 7.00 | 5.65 | 7.12 | 5.13 | 3.18 | 14.67 | 6.61 | 27.47 | 6.76 | 0.5 | 1.00 | 1.90 | 4.04 | 6.99 | 5.74 | 7.21 | 4.40 | 2.57 | 14.91 | 6.38 | 27.51 | 6.68 | 0.7 | 0.77 | 1.50 | 4.11 | 7.01 | 5.83 | 7.34 | 3.84 | 2.81 | 14.46 | 6.19 | 27.12 | 6.69 | 0.9 | 0.66 | 0.96 | 4.19 | 5.80 | 5.93 | 7.05 | 4.31 | 4.31 | 13.79 | 6.72 | 26.75 | 8.70 |
| 0.03 | 0.1 | 3.22 | 4.67 | 4.71 | 7.42 | 5.77 | 7.46 | 6.66 | 4.67 | 12.36 | 7.25 | 17.57 | 7.30 | 0.3 | 1.56 | 2.79 | 4.08 | 7.41 | 5.84 | 7.55 | 5.42 | 3.34 | 14.99 | 6.99 | 28.36 | 7.17 | 0.5 | 1.05 | 1.93 | 4.14 | 7.39 | 5.93 | 7.64 | 4.65 | 2.71 | 15.23 | 6.74 | 28.40 | 7.08 | 0.7 | 0.81 | 1.52 | 4.20 | 7.39 | 6.02 | 7.76 | 4.06 | 2.95 | 14.77 | 6.52 | 27.96 | 7.07 | 0.9 | 0.69 | 1.00 | 4.29 | 6.07 | 6.12 | 7.43 | 4.53 | 4.54 | 14.05 | 7.00 | 27.56 | 9.12 |
| 0.04 | 0.1 | 3.38 | 4.84 | 4.88 | 7.86 | 5.98 | 7.91 | 7.04 | 4.87 | 12.78 | 7.68 | 18.24 | 7.74 | 0.3 | 1.63 | 2.85 | 4.16 | 7.84 | 6.00 | 7.99 | 5.72 | 3.50 | 15.28 | 7.40 | 29.19 | 7.59 | 0.5 | 1.10 | 1.96 | 4.22 | 7.81 | 6.09 | 8.09 | 4.89 | 2.84 | 15.50 | 7.12 | 29.19 | 7.49 | 0.7 | 0.84 | 1.53 | 4.29 | 7.80 | 6.18 | 8.20 | 4.27 | 3.08 | 15.02 | 6.86 | 28.72 | 7.46 | 0.9 | 0.72 | 1.03 | 4.37 | 6.34 | 6.29 | 7.83 | 4.72 | 4.73 | 14.26 | 7.26 | 28.27 | 9.53 |
| 0.05 | 0.1 | 3.54 | 5.03 | 5.04 | 8.35 | 6.19 | 8.41 | 7.46 | 5.10 | 13.22 | 8.17 | 18.96 | 8.24 | 0.3 | 1.70 | 2.92 | 4.24 | 8.32 | 6.15 | 8.49 | 6.04 | 3.68 | 15.56 | 7.85 | 29.99 | 8.07 | 0.5 | 1.15 | 1.99 | 4.30 | 8.28 | 6.24 | 8.59 | 5.14 | 2.99 | 15.75 | 7.54 | 29.95 | 7.96 | 0.7 | 0.87 | 1.55 | 4.36 | 8.24 | 6.33 | 8.69 | 4.49 | 3.20 | 15.24 | 7.25 | 29.42 | 7.91 | 0.9 | 0.74 | 1.07 | 4.44 | 6.66 | 6.43 | 8.27 | 4.91 | 4.91 | 14.45 | 7.52 | 28.93 | 9.94 |
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