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On-Line Wear Debris Detection In Lubricating Oil For Condition Based Health Monitoring Of Rotary Machinery, Li Du, Jiang Zhe
On-Line Wear Debris Detection In Lubricating Oil For Condition Based Health Monitoring Of Rotary Machinery, Li Du, Jiang Zhe
Dr. Jiang Zhe
Condition based monitoring has become essential in maintaining and extending the health of high-speed rotating and reciprocating machinery. One effective approach to detect signs of potential failure of a rotating or reciprocating machine is to examine the wear debris in its lubricating oil. Recent patents and research articles on on-line wear debris detection in lubricating oil are reviewed in this paper, including electrical impedance detection, acoustic detection, optical detection, pressure detection, online x-ray spectrography, resonant frequency detection, and electrostatic charge detection. Advantages and limitations of each detection method are discussed.