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Diesel engine condition monitoring and simulated diesel knock

Lowe, David, Tan, Andy, & Brown, Richard J. (2010) Diesel engine condition monitoring and simulated diesel knock. In Teh, Kian , Davies, Ian, & Howard, Ian (Eds.) Proceedings of the 6th Australasian Congress on Applied Mechanics, Engineers Australia, Perth, WA, pp. 704-713.

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Abstract

This paper discusses diesel engine condition monitoring (CM) using acoustic emissions (AE) as well as some of the commonly encountered diesel engine problems. Also discussed are some of the underlying combustion related faults and the methods used in past studies to simulate diesel engine faults. The initial test involved an experimental simulation of two common combustion related diesel engine faults, namely diesel knock and misfire. These simulated faults represent 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 (TDC) signals. Using these signals, it was possible to characterise the effect of different combustion conditions and hence, various diesel engine in-cylinder pressure profiles.

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ID Code: 38869
Item Type: Conference Paper
Keywords: acoustic emission, diesel engine, fault simulation, combustion faults
ISBN: 9780858259416
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300)
Divisions: Current > Research Centres > CRC Integrated Engineering Asset Management (CIEAM)
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
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Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2010 Engineers Australia
Deposited On: 13 Jun 2012 21:53
Last Modified: 17 Jun 2012 04:00

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