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

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Device</td><td class="align_center">Range</td><td class="align_center">Resolution</td><td class="align_center">Locations</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Electromagnetic flowmeter</td><td class="align_center">1–50 m<sup>3</sup>/h</td><td class="align_center">±0.5%</td><td class="align_center">The length of straight pipe before and after the flowmeter is 10 times of its internal diameter</td></tr><tr><td class="align_left">Pressure transducer at inlet</td><td class="align_center">−0.1–0.1 MPa</td><td class="align_center">±0.5%</td><td class="align_center">2 times of pipe diameter from inlet flange</td></tr><tr><td class="align_left">Pressure transducer at outlet</td><td class="align_center">0–0.1 MPa</td><td class="align_center">±0.5%</td><td class="align_center">2 times of pipe diameter from outlet flange</td></tr><tr><td class="align_left">Hydrophone</td><td class="align_center">20 Hz–100 kHz</td><td class="align_center">±2 dB</td><td class="align_center">8 times of pipe diameter from outlet flange</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Instruments in the measuring system.</div>

Shock and Vibration

tab2

Table 2

Table 2: Cavitation Detection in Centrifugal Pump Based on Interior Flow-Borne Noise Using WPD-PCA-RBF 