Even though many researchers have measured the piston/ring assembly friction force over the last several decades, accurate measurement of the piston/ring assembly friction force is a still challenging problem. The floating liner method is not widely used, in spite of its accuracy, due to the substantial modifications required to the engine. On the other extreme, bench tests of the piston/ring assembly cannot completely simulate the real firing condition although bench tests are rapid, consistent, and cost effective. In this study, friction forces of the piston/ring assembly were measured using the instantaneous IMEP method and compared with modeling results using Ricardo’s RINGPAK software. In this research, a flexible flat cable was used to connect the connecting rod strain gage signal to the analysis system instead of using a grasshopper linkage. Therefore, the piston/ring assembly friction force was measured with the minimum change to the engine hardware.
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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
Friction Force Measurements Using the Instantaneous IMEP Method and Comparison With RINGPAK Simulations
Myoungjin Kim,
Myoungjin Kim
University of Texas at Austin, Austin, TX
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Thomas M. Kiehne,
Thomas M. Kiehne
University of Texas at Austin, Austin, TX
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Ronald D. Matthews
Ronald D. Matthews
University of Texas at Austin, Austin, TX
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Myoungjin Kim
University of Texas at Austin, Austin, TX
Thomas M. Kiehne
University of Texas at Austin, Austin, TX
Ronald D. Matthews
University of Texas at Austin, Austin, TX
Paper No:
ICEF2005-1300, pp. 547-560; 14 pages
Published Online:
November 11, 2008
Citation
Kim, M, Kiehne, TM, & Matthews, RD. "Friction Force Measurements Using the Instantaneous IMEP Method and Comparison With RINGPAK Simulations." 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. 547-560. ASME. https://doi.org/10.1115/ICEF2005-1300
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