Fig. 4

Variation of axial velocity w with r for \(\alpha =0.4, \beta =0.4, Fr=0.1, \bar{Q}=1.5\) and z = 1 with a \(\epsilon =0.3, \lambda _{1}=0.1, \theta = \frac{\pi }{3}\) and \(M=0.1, 0.5, 1, 1.5\), b \(M=0.3, \lambda _{1}=0.1, \theta =\frac{\pi }{3}\) and \(\epsilon =0.0, 0.1, 0.2, 0.3\), c \(\epsilon =0.3, M=0.3, \theta =\frac{\pi }{3}\) and λ ₁ = 0.1, 0.2, 0.3, 0.4, d \(\epsilon =0.3, M=0.3, \lambda _{1}=0.1, \theta =0, \frac{\pi }{6}, \frac{\pi }{4}, \frac{\pi }{2}\)