This paper proposes a technique for reconstructing the cylinder pressure traces of a spark-ignition engine based on three inputs: spark-timing, speed and load. This method is an extension of previous work for reconstructing cylinder pressure in a heavy-duty diesel engine [1]. The previous study utilized only two inputs for cylinder pressure reconstruction, e.g. engine speed and load, hence implying optimal combustion phasing. The new method adds one more input to allow reconstruction of pressure traces from cycles with combustion phasing altered based on emissions or knock constraints. The method was applied to a 4-cylinder, 2.4-liter DaimlerChrysler gasoline engine. Comparisons between measured and reconstructed cylinder pressure traces demonstrate that the method is applicable over the majority of the gasoline engine operating range. Reconstructed cylinder pressure traces have also been used to carry out engine heat transfer and heat release analyses. Problems associated with the application of this method to gasoline engine are also discussed.
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ASME 2004 Internal Combustion Engine Division Fall Technical Conference
October 24–27, 2004
Long Beach, California, USA
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
0-7918-3746-7
PROCEEDINGS PAPER
Reconstructing Cylinder Pressure of a Spark-Ignition Engine for Heat Transfer and Heat Release Analyses
Robert G. Prucka
,
Robert G. Prucka
University of Michigan, Ann Arbor, MI
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Zoran S. Filipi
,
Zoran S. Filipi
University of Michigan, Ann Arbor, MI
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Dennis N. Assanis
Dennis N. Assanis
University of Michigan, Ann Arbor, MI
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Pin Zeng
University of Michigan, Ann Arbor, MI
Robert G. Prucka
University of Michigan, Ann Arbor, MI
Zoran S. Filipi
University of Michigan, Ann Arbor, MI
Dennis N. Assanis
University of Michigan, Ann Arbor, MI
Paper No:
ICEF2004-0886, pp. 43-52; 10 pages
Published Online:
December 11, 2008
Citation
Zeng, P, Prucka, RG, Filipi, ZS, & Assanis, DN. "Reconstructing Cylinder Pressure of a Spark-Ignition Engine for Heat Transfer and Heat Release Analyses." Proceedings of the ASME 2004 Internal Combustion Engine Division Fall Technical Conference. ASME 2004 Internal Combustion Engine Division Fall Technical Conference. Long Beach, California, USA. October 24–27, 2004. pp. 43-52. ASME. https://doi.org/10.1115/ICEF2004-0886
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