Table 2 Numerical outputs of Nusselt number \(- \Theta^{\prime}\left( 0 \right)\) at the surface of disc.
\(\Pr\) | \(\begin{gathered} - \Theta^{\prime}(0)\,Ag \hfill \\ \phi_{Ag} = 0.02 \hfill \\ \end{gathered}\) | \(\begin{gathered} - \Theta^{\prime}(0)\,Ag \hfill \\ \phi_{Ag} = 0.04 \hfill \\ \end{gathered}\) | \(\begin{gathered} - \Theta^{\prime}(0)\,Ag + MgO \hfill \\ \phi_{Ag} = \phi_{MgO} = 0.02 \hfill \\ \end{gathered}\) | \(\begin{gathered} - \Theta^{\prime}(0)\,Ag + MgO \hfill \\ \phi_{Ag} = \phi_{MgO} = 0.04 \hfill \\ \end{gathered}\) |
|---|---|---|---|---|
6.4 | 0.976487 | 0.979312 | 0.976945 | 0.981377 |
6.5 | 0.975697 | 0.979587 | 0.976274 | 0.979668 |
6.6 | 0.974928 | 0.978862 | 0.975492 | 0.969958 |