Turbulence Modeling of Torsional Couette Flows

Figure 17

20 streamline patterns Ψ^∗ for 𝐺=0.02 and various sets of parameters (Re, 𝐶_𝑤): (a) (1.8×10⁵, −500), −3.67≤Ψ^∗≤125.06; (b) (1.8×10⁵, −1000), −1.56≤Ψ^∗≤118.96; (c) (1.8×10⁵, −2500), −2.32≤Ψ^∗≤278.67; (d) (1.8×10⁵, −5000), −4.65≤Ψ^∗≤557.79; (e) (1.8×10⁵, −10000), −9.29≤Ψ^∗≤1116.8; (f) (10⁶, −500), −12.52≤Ψ^∗≤52.55; (g) (10⁶, −1000), −7.7≤Ψ^∗≤56.67; (h) (10⁶, −2500), −0.79≤Ψ^∗≤67.75; (i) (10⁶, −5000), −0.84≤Ψ^∗≤105.93; (j) (10⁶, −10000), −1.67≤Ψ^∗≤201.81; (k) (5×10⁶, −500), −19.49≤Ψ^∗≤36.54; (l) (5×10⁶, −1000), −17.52≤Ψ^∗≤37.56; (m) (5×10⁶, −2500), −13.14≤Ψ^∗≤41.05; (n) (5×10⁶, −5000), −7.39≤Ψ^∗≤46.44; (o) (5×10⁶, −10000), −1.06≤Ψ^∗≤56.02.