Numerical Investigations of Unsteady Flow in a Centrifugal Pump with a Vaned Diffuser

Figure 17

Radial velocities in the radial gap (𝑅/𝑅₂=1.02).

(a) Experiment

(b) Unsteady 𝑘−𝜀

(c) Unsteady RNG 𝑘−𝜀

(d) Unsteady realizable 𝑘−𝜀

(e) Unsteady 𝑘−𝜔 SST