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

<div>Time-frequency domain diagram of cavitation noise at rated flow rate: (a) noncavitation stage <i>σ</i> = 0.048; (b) inception cavitation stage <i>σ</i> = 0.021; (c) severe cavitation stage <i>σ</i> = 0.018.</div>

Shock and Vibration

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Figure 6

Figure 6: Cavitation Detection in Centrifugal Pump Based on Interior Flow-Borne Noise Using WPD-PCA-RBF 