Exact Solutions for the Axial Couette Flow of a Fractional Maxwell Fluid in an Annulus

Figure 5

Profiles of the velocity 𝑤(𝑟,𝑡) and shear stress 𝜏(𝑟,𝑡) given by (3.16) and (3.24) for 𝑅₁=0.3, 𝑅₂=0.5, Ω₁=1, Ω₂=1, 𝑡=10, 𝜈=0.005, 𝜇=2.916, 𝜆=4, and different values of 𝛽.

(a)

(b)