Cavitation Detection in Centrifugal Pump Based on Interior Flow-Borne Noise Using WPD-PCA-RBF

Table 1

Main geometry parameters of model pump.

	Parameter	Value
Impeller	Inlet diameter, D1 (mm)	68
	Outlet diameter, D2 (mm)	228
	Number of blades, z	6
	Wrapping angle, θ/r	145
	Outlet width, b2 (mm)	7
Volute	Basic diameter, D3 (mm)	245
	Inlet width, b3 (mm)	18
	Discharge nozzle diameter, d4 (mm)	32