Figure 3

Variation of needle thickness \(a\), velocity ratio \(\lambda\), Hartmann number \(M\), and mixed convection \({\lambda }_{1}\) on velocity \({f}^{{\prime}}(\eta )\).
Variation of needle thickness \(a\), velocity ratio \(\lambda\), Hartmann number \(M\), and mixed convection \({\lambda }_{1}\) on velocity \({f}^{{\prime}}(\eta )\).