This paper describes experimental research aimed at developing techniques for monitoring the growth of combustion chamber deposits in diesel engines using data obtained from cylinder pressure and exhaust temperature measurements. A naturally aspirated single cylinder research engine was operated alternately between low load “coking” conditions (2.5 bar BMEP) and higher load “decoking” conditions (5.5 bar BMEP) intended to promote the formation and removal, respectively of combustion chamber deposits. The polytropic exponent of compression was observed to increase during coking runs and decrease during decoking runs. The peak heat release rate was observed to decrease during coking runs and increase during decoking runs. The peak cycle value of the first derivative of the exhaust thermocouple signal decreased during coking runs but exhibited no clear trend during decoking runs. Conventional exhaust temperature measurements showed no consistent trend during coking runs but the exhaust temperature decreased during decoking runs.
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ASME 2005 Internal Combustion Engine Division Fall Technical Conference
September 11–14, 2005
Ottawa, Ontario, Canada
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
0-7918-4736-5
PROCEEDINGS PAPER
Detection of Combustion Chamber Deposits in Diesel Engines Through Cylinder Pressure and Exhaust Temperature Measurements
D. Gardiner,
D. Gardiner
Royal Military College of Canada, Kingston, ON, Canada
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M. LaViolette,
M. LaViolette
Royal Military College of Canada, Kingston, ON, Canada
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W. D. Allan,
W. D. Allan
Royal Military College of Canada, Kingston, ON, Canada
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G. Wang,
G. Wang
Royal Military College of Canada, Kingston, ON, Canada
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M. F. Bardon
M. F. Bardon
Royal Military College of Canada, Kingston, ON, Canada
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D. Gardiner
Royal Military College of Canada, Kingston, ON, Canada
M. LaViolette
Royal Military College of Canada, Kingston, ON, Canada
W. D. Allan
Royal Military College of Canada, Kingston, ON, Canada
G. Wang
Royal Military College of Canada, Kingston, ON, Canada
M. F. Bardon
Royal Military College of Canada, Kingston, ON, Canada
Paper No:
ICEF2005-1239, pp. 11-17; 7 pages
Published Online:
November 11, 2008
Citation
Gardiner, D, LaViolette, M, Allan, WD, Wang, G, & Bardon, MF. "Detection of Combustion Chamber Deposits in Diesel Engines Through Cylinder Pressure and Exhaust Temperature Measurements." Proceedings of the ASME 2005 Internal Combustion Engine Division Fall Technical Conference. ASME 2005 Internal Combustion Engine Division Fall Technical Conference (ICEF2005). Ottawa, Ontario, Canada. September 11–14, 2005. pp. 11-17. ASME. https://doi.org/10.1115/ICEF2005-1239
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