The Use of Acoustic Emission to Diagnosis of Fuel Injection Pumps of Marine Diesel Engines

Artur Bejger and Jan Bohdan Drzewieniecki
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Artur Bejger: Department of Condition Monitoring & Maintenance of Machinery, Maritime University of Szczecin, 71-650 Szczecin, Poland
Jan Bohdan Drzewieniecki: Department of Condition Monitoring & Maintenance of Machinery, Maritime University of Szczecin, 71-650 Szczecin, Poland

Energies, 2019, vol. 12, issue 24, 1-11

Abstract: The article draws attention to the problems of maintaining fuel injection pumps of marine diesel engines in the conditions of the use of residual fuels in which the quality is steadily deteriorating. The analysis of tribological processes occurring in hydraulic precision pairs of fuel injection pumps, such as a barrel-plunger, is presented. Problems occurring regarding the operation of injection pumps and the possibilities of their avoidance on board are discussed. The means of condition monitoring, including the application of thermography methods, are characterized. The authors have done research concerning diagnosing injection systems of high and medium power engines by using acoustic emission (AE) signals. The experiment results obtained with the use of acoustic emission and wavelet analysis confirmed the dependency of the frequency components contained in the acoustic emission signal on the condition state of the injector pumps’ tribological pair.

Keywords: acoustic emission; diesel engines; wavelet transforms; condition monitoring; fuel injection pumps (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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