Figure 5

Velocity profile against \(y_{1}\) due to \(\text {Gr}\), when: \(t=0.25\), \(\phi =0.04\), \(\text {Pr}=6.2\), \(\alpha =0.2\) and \(\lambda =0.01\).
Velocity profile against \(y_{1}\) due to \(\text {Gr}\), when: \(t=0.25\), \(\phi =0.04\), \(\text {Pr}=6.2\), \(\alpha =0.2\) and \(\lambda =0.01\).