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

Figure 5

Profiles of the velocity 𝜔(𝑟,𝑡) and the shear stress 𝜏(𝑟,𝑡) corresponding to Newtonian, second grade and generalized second grade fluids, for 𝑓=−1, 𝑅₁=0.3, 𝑅₂=0.5, 𝜈=0.000259, 𝜇=0.246, 𝛼=0.00153  𝛽=0.3 and 𝑡=10 s.

(a)

(b)