Turbulence Modeling of Torsional Couette Flows

Figure 3

Axial profiles of two mean velocity components at 𝑟^∗=0.56 for 𝐺=0.036 and Re=10⁶ with or without a centripetal superimposed throughflow: (a) 𝐶_𝑤=0, (b) 𝐶_𝑤=1976, (c) 𝐶_𝑤=5929, (d) 𝐶_𝑤=9881. Comparisons between the present RSM model (−), the 𝑘-𝜖 model (−⋅−), and LDA measurements (∘).

(a)

(b)

(c)

(d)