Detection of Inception Cavitation in Centrifugal Pump by Fluid-Borne Noise Diagnostic

Table 9

Incipient cavitation coefficients based on flow-borne noise at different flow coefficients.

Flow coefficient φ	0.0056	0.0113	0.0141	0.0169	0.0225
Incipient cavitation coefficient based on OSPL σio	0.022	0.025	0.028	0.031	0.033
Incipient cavitation coefficient based on breadboard SPL σiob	0.022	—	0.029	—	0.033