Research Article

Experimental and Numerical Investigation of Pressure Fluctuation in a Low-Specific-Speed Centrifugal Pump with a Gap Drainage Impeller

Figure 11

Time distribution of pressure pulsation at the volute tongue under different flow conditions. (a) 0.6Qd. (b) 1.0Qd. (c) 1.4Qd.
(a)
(b)
(c)