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

被引：11

作者：

Bejger, Artur ^{[1
]}

Drzewieniecki, Jan Bohdan ^{[1
]}

机构：

[1] Maritime Univ Szczecin, Dept Condit Monitoring & Maintenance Machinery, PL-71650 Szczecin, Poland

来源：

ENERGIES | 2019年 / 12卷 / 24期

关键词：

acoustic emission; diesel engines; wavelet transforms; condition monitoring; fuel injection pumps;

D O I：

10.3390/en12244661

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

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.

引用

页数：11

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