Table 6.

Effect of $\varphi$ and $\mathit{Nr}$ on heat transfer rates for $\text{Cu}$ and ${\text{TiO}}_2$.

$\varphi$	${\theta }^{\prime }(0)$ for $\text{Cu}$	${\theta }^{\prime }(0)$ for ${\text{TiO}}_2$	$\mathit{Nr}$	${\theta }^{\prime }(0)$ for $\text{Cu}$	${\theta }^{\prime }(0)$ for ${\text{TiO}}_2$
0.1	− 0.05973	− 0.06809	0.0	− 0.07330	− 0.07754
0.2	− 0.04703	− 0.06127	0.2	− 0.07383	− 0.07787
0.3	− 0.03529	− 0.05485	0.4	− 0.07417	− 0.07807
0.4	− 0.02356	− 0.04779	0.6	− 0.07439	− 0.07818
0.5	− 0.00949	− 0.03921	0.8	− 0.07451	− 0.07823