Table 3.

Grid independence study at Pr = 13.470, Ra = 10⁵, N = 2.0, Le = 5.0, Ha = 0, and ϕ = 0.02.

Mesh Size	$\overline{Nu}(|\mathrm{\Delta }|\text{\%})$			$\overline{Sh}(|\mathrm{\Delta }|\text{\%})$
(x × y)	n = 0.6	n = 1.0		n = 0.6	n = 1.0
G1 = 41 × 41	13.66075 (5.10%)	4.40775 (4.64%)		30.36654 (5.00%)	9.88778 (4.24%)
G2 = 81 × 81	14.39592 (0.00%)	4.62242 (0.00%)		31.96785 (0.00%)	10.32517 (0.0%)
G3 = 161 × 161	14.76644 (2.57%)	4.72620 (2.24%)		32.84582 (2.75%)	10.54034 (2.08%)