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Diesel Engine Problems, Acoustic Emission Signals and Simulated Misfire Faults

  • D. P. Lowe
  • Weiliang Wu
  • Andy C. C. Tan
  • Richard J. Brown
Conference paper

Abstract

This paper discusses commonly encountered diesel engine problems and the underlying combustion related faults. Also discussed are the methods used in previous studies to simulate diesel engine faults and the initial results of an experimental simulation of a common combustion related diesel engine fault, namely diesel engine misfire. This experimental fault simulation represents the first step towards a comprehensive investigation and analysis into the characteristics of acoustic emission signals arising from combustion related diesel engine faults. Data corresponding to different engine running conditions was captured using in-cylinder pressure, vibration and acoustic emission transducers along with both crank-angle encoder and top-dead centre signals. Using these signals, it was possible to characterise the diesel engine in-cylinder pressure profiles and the effect of different combustion conditions on both vibration and acoustic emission signals.

Keywords

Diesel Engine Acoustic Emission Signal Cylinder Pressure Piston Ring Exhaust Valve 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

The author would like to acknowledge the ongoing financial support given by the Australian Research Council (ARC) and the Cooperative Research Centre for Integrated Engineering Asset Management (CIEAM).

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Copyright information

© Springer-Verlag London Limited 2012

Authors and Affiliations

  • D. P. Lowe
    • 1
  • Weiliang Wu
    • 1
  • Andy C. C. Tan
    • 1
  • Richard J. Brown
    • 1
  1. 1.School of Engineering SystemsQueensland University of TechnologyBrisbaneAustralia

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