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Modeling and Measurement of Tribological Parameters between Piston Rings and Liner in Turbocharged Diesel Engine
Technical Paper
2007-01-1440
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper presents tribological modeling, experimental work, and validation of tribology parameters of a single cylinder turbocharged diesel engine run at various loads, speeds, intake boost pressures, and cylinder liner temperatures. Analysis were made on piston rings and liner materials, rings mechanical and thermal loads, contact pressure between rings and liner, and lubricant conditions. The engine tribology parameters were measured, and used to validate the engine tribology models. These tribology parameters are: oil film thickness, coefficient of friction between rings and liner, friction force, friction power, friction torque, shear rate, shear stress and wear of the sliding surfaces.
In order to measure the oil film thickness between rings and liner, a single cylinder AVL turbocharged diesel engine was instrumented to accept the difference in voltage drop method between rings, oil film, and liner. The oil film thickness was measured between top piston ring, second piston ring and oil ring along the engine stroke from the bottom reversal to top reversal.
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Authors
- Philipe Saad - Adiabatics, Inc.
- Lloyd Kamo - Adiabatics, Inc.
- Milad Mekari - US Army TACOM R&D Center
- Walter Bryzik - US Army TACOM R&D Center
- Victor Wong - Massachusetts Institute of Technology
- Nicolas Dmitrichenko - National Transport University, Kiev, Ukraine
- Rudolf Mnatsakanov - National Transport University, Kiev, Ukraine
Topic
Citation
Saad, P., Kamo, L., Mekari, M., Bryzik, W. et al., "Modeling and Measurement of Tribological Parameters between Piston Rings and Liner in Turbocharged Diesel Engine," SAE Technical Paper 2007-01-1440, 2007, https://doi.org/10.4271/2007-01-1440.Also In
References
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