Vibration in a Multistage Centrifugal Pump under Varied Conditions

Table 2

Peak value and relative harmonics of each monitoring point under varied conditions.

Channel number	Flow rate	f/fbp	2f/fbp	3f/fbp	4f/fbp
CH3	0Qdes	2.81	2.12	0.74	0.41
	1.0Qdes	1.48	0.54	1.13	0.97
	1.5Qdes	0.76	0.74	0.88	1.99
CH4	0Qdes	1.64	2.85	1.01	0.30
	1.0Qdes	0.46	0.56	0.78	0.49
	1.5Qdes	0.45	1.46	0.72	1.05
CH5	0Qdes	1.51	2.47	1.45	0.48
	1.0Qdes	1.53	2.24	0.13	0.35
	1.5Qdes	1.63	0.90	0.49	0.63
CH6	0Qdes	1.89	1.61	0.82	0.47
	1.0Qdes	1.28	0.84	0.30	0.09
	1.5Qdes	1.55	0.19	0.11	0.06