Suppression of Performance Curve Instability of an Axial-Flow Pump by Using a Double-Inlet-Nozzle

Figure 3

Axial and circumferential components of the time mean absolute velocities in front of the rotor in deep stall, 𝑄/𝑄_𝑁=0.48, NPSH_𝐴=35m, Kosyna et al. [8].

(a)

(b)