Natural Convection in an Inclined Porous Cavity with Spatial Sidewall Temperature Variations

Table 1

Comparison of the average Nusselt number, Nu, against some previous results for isothermal vertical walls in a square cavity in the case 𝜙=90^∘.

References	Mesh size	Ra=100		Ra=1000
		Nuℎ	Nu𝑐	Nuℎ	Nu𝑐
[3]		4.200		15.800
[5]		3.110		13.470
[8]	(20×20)	3.081	3.081	12.890	12.890
[8]	(40×40)	3.099	3.099	13.431	13.431
[8]	(80×80)	3.108	3.107	13.531	13.531
[8]	(160×160)	3.110	3.110	13.592	13.592
Present work	(20×20)	3.005	3.005	9.865	9.864
Present work	(40×40)	3.080	3.080	12.157	12.154
Present work	(80×80)	3.100	3.100	13.180	13.178
Present work	(160×160)	3.106	3.106	13.498	13.494