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Effect of Piston and Piston Ring Designs on the Piston Friction Forces in Diesel Engines
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Abstract
How much reduction in piston friction loss can be achieved by the piston design?
Piston friction force measurements have been carried out using the measuring method developed by the authors to obtain the effects of piston clearance, surface roughness, lubricant and ring size and contact pressure on the piston friction forces.
A particular emphasis is placed on the study of effects of the piston rings by the experimental and theoretical analyses, since friction forces of piston rings accounted for 3/4 or more of the total piston friction force.
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Furuhama, S., Takiguchi, M., and Tomizawa, K., "Effect of Piston and Piston Ring Designs on the Piston Friction Forces in Diesel Engines," SAE Technical Paper 810977, 1981, https://doi.org/10.4271/810977.Also In
References
- Furuhama S. Takiguchi M. “Measurement of Piston Frictional Force in Actual Operating Diesel Engine.” SAE paper No. 790855 1979
- Furuhama S. “A Dynamic Theory of Piston-Ring Lubrication (1st. Report, Calculation)”. Bulletin of JSME 2 7 1959 423
- Furuhama S. “A Study of Oil Ring Lubrication.” Journal of the JSME 64 515 1961 1695
- Moore S. L. Hamilton G. M. “The Starved Lubrication of Piston Rings in a Diesel Engine” J. Mch. Eng. Science, I. Mech. E. 20 6 1978 345