209678.fig.001a
(a)
209678.fig.001b
(b)
Figure 1: Profiles of the velocity 𝑤 ( 𝑟 , 𝑡 ) given by (5.1) and (5.3) for 𝑅 1 = 0 . 3 , 𝑅 2 = 0 . 5 , 𝜈 = 0 . 0 0 4 , 𝜇 = 2 . 9 1 6 , 𝜆 = 3 , 𝛽 = 0 . 8 , and different values of 𝑡 .