Numerical Simulation and Sensitivity Analysis Using RSM on Natural Convective Heat Exchanger Containing Hybrid Nanofluids

Table 9

Sensitivity analysis for Nu_av.

Ra	Ha	ϕ
0	0	0	5.41	−0.9061	1.50
	−1		6.4029	−0.9061	1.50
	1		4.4171	−0.9061	1.50
	0	−1	4.5687	−0.9061	3.82
1	−1	1	0.3842	−1.899	0.0231