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.

0.55.0
EnIEnIIEnIEnIIEnIEnIIEnIEnIIEnIEnIIEnIEnII

0.010.12.864.324.336.575.296.615.914.2711.486.4216.256.46
0.31.392.673.866.585.426.684.823.0214.286.2126.426.35
0.50.941.873.916.585.516.774.132.4314.526.0126.456.28
0.70.721.483.986.605.606.893.612.6414.085.8526.106.29
0.90.620.934.065.535.706.664.044.0513.456.4025.778.21

0.020.13.054.504.537.005.557.046.294.4811.946.8416.936.89
0.31.482.733.987.005.657.125.133.1814.676.6127.476.76
0.51.001.904.046.995.747.214.402.5714.916.3827.516.68
0.70.771.504.117.015.837.343.842.8114.466.1927.126.69
0.90.660.964.195.805.937.054.314.3113.796.7226.758.70

0.030.13.224.674.717.425.777.466.664.6712.367.2517.577.30
0.31.562.794.087.415.847.555.423.3414.996.9928.367.17
0.51.051.934.147.395.937.644.652.7115.236.7428.407.08
0.70.811.524.207.396.027.764.062.9514.776.5227.967.07
0.90.691.004.296.076.127.434.534.5414.057.0027.569.12

0.040.13.384.844.887.865.987.917.044.8712.787.6818.247.74
0.31.632.854.167.846.007.995.723.5015.287.4029.197.59
0.51.101.964.227.816.098.094.892.8415.507.1229.197.49
0.70.841.534.297.806.188.204.273.0815.026.8628.727.46
0.90.721.034.376.346.297.834.724.7314.267.2628.279.53

0.050.13.545.035.048.356.198.417.465.1013.228.1718.968.24
0.31.702.924.248.326.158.496.043.6815.567.8529.998.07
0.51.151.994.308.286.248.595.142.9915.757.5429.957.96
0.70.871.554.368.246.338.694.493.2015.247.2529.427.91
0.90.741.074.446.666.438.274.914.9114.457.5228.939.94