An Enhanced Factor Analysis of Performance Degradation Assessment on Slurry Pump Impellers

Table 1

Parameters of factors results.

Type	Time domain			Frequency domain
	Real value	Factor 2	Principle component 1	Real value	Factor 1	Principle component 1
Standard deviation	0.23	0.65	0.32	0.23	0.64	0.42
Slope	0.0013	0.0037	0.0018	0.0013	0.0036	0.0024
P-P (peak-peak)	0.77	2.16	1.12	0.77	2.14	1.44