Influence of Weak Compressibility on the Hydrodynamic Performance Evaluation of Pump Turbines in the Pump Mode

Figure 14

Velocity streamline diagrams for 14-degree guide vane opening. (a) Q = 325 kg/s, (b) Q = 378 kg/s, (c) Q = 444 kg/s.

(a)

(b)

(c)