Analytical Solutions for the Flow of a Fractional Second Grade Fluid due to a Rotational Constantly Accelerating Shear

Figure 1

Profiles of the velocity 𝜔(𝑟,𝑡) and the shear stress 𝜏(𝑟,𝑡) given by (3.15) and (3.22), for 𝑓=−1,  𝑅₁=0.3, 𝑅₂=0.5, 𝜈=0.000259, 𝜇=0.246, 𝛼=0.00153, 𝛽=0.3, and different values of 𝑡.

(a)

(b)