Comparative Study of Radiative Effects on Double Diffusive Convection in Nongray Air-CO₂ Mixtures in Cooperating and Opposing Flow

Table 5

Average Nusselt (radiative and total) number for different opacity of a gray gas: Ra = ; Pr = 0,71; Pl = 0,02; = 1,5.

τ		Present work ()		Yucel et al. [8] ()
		1		31,25	38,81	31,28	38,93
5		23,57	31,59	23,64	31,76
0,2		37,40	46,05	37,40	46,11