Vibration in a Multistage Centrifugal Pump under Varied Conditions

Figure 2

Test system and data acquisition. 1, regulator tank; 2, valve; 3, inlet pressure gauge; 4, pump; 5, outlet pressure gauge; 6, displacement sensor; 7, acceleration sensor; 8, outlet valve; 9, electromagnetic flow meter; 10, acquisition card A; 11, acquisition card B; 12, Bently tester; 13, computer.