Effect of Guide Vanes on Flow and Vibroacoustic in an Axial-Flow Pump

Figure 9

Pressure fluctuations amplitude at BPF with 7 vanes.

(a) Location of monitor points

(b) Pressure fluctuation characteristics in time domain at 0.8Qv

(c) Frequency spectral of pressure fluctuation at 0.8Qv

(d) Pressure fluctuation characteristics in time domain at 1.0Qv

(e) Frequency spectral of pressure fluctuation at 1.0Qv

(f) Pressure fluctuation characteristics in time domain at 1.3Qv

(g) Frequency spectral of pressure fluctuation at 1.3Qv