Turbulence Modeling of Torsional Couette Flows

Figure 8

Influence of the aspect ratio on the streamline patterns Ψ^∗=Ψ/(Ωℎ²) (20 contours) for various sets of flow parameters (Re, 𝐺): (a) (1.8×10⁵, 0.05), −0.03≤Ψ^∗≤5.96; (b) (1.8×10⁵, 0.04), −0.05≤Ψ^∗≤10.8; (c) (1.8×10⁵, 0.02), −0.31≤Ψ^∗≤76.89; (d) (5×10⁶, 0.04), −0.04≤Ψ^∗≤8.32; (e) (5×10⁶, 0.02), −0.32≤Ψ^∗≤36.92.

(a)

(b)

(c)

(d)

(e)