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TECHNICAL PAPERS: Tribology and Wear

Analysis of Oil Film Thickness on a Piston Ring of Diesel Engine: Effect of Oil Film Temperature

[+] Author and Article Information
Y. Harigaya, M. Suzuki

Department of Technology Education, Faculty of Education, Utsunomiya University, 350 Mine-machi, Utsonomiya 321-8505 Japan

M. Takiguchi

Department of Mechanical Engineering, Musashi Institute of Technology, 1-28-1 Tamazutsumi, Setagaya-ku, Tokyo 158-8557, Japan

J. Eng. Gas Turbines Power 125(2), 596-603 (Apr 29, 2003) (8 pages) doi:10.1115/1.1501078 History: Received May 01, 2001; Revised November 01, 2001; Online April 29, 2003
Copyright © 2003 by ASME
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References

Figures

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Lubrication model between ring and liner
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Geometry of top ring sliding surface
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Cylinder liner surface temperatures (experimental values)
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Temperature and velocity distributions in oil film between ring and liner (1600 rpm, no load). (a) Temperature distribution at CA=30 deg. (b) Temperature distribution at CA=270 deg. (c) Velocity distribution at CA=30 deg. (d) Velocity distribution at CA=270 deg.
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Mean oil film temperature in a cycle (1600 rpm, no load)
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Oil film viscosity in a cycle (1600 rpm, no load)
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Oil film thickness (effect of viscosity estimation methods, 1600 rpm, no load)
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Mean oil film temperatures and viscosity (effect of ring temperatures, 1600 rpm, no load); (a) mean oil film temperature, (b) viscosity
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Oil film thickness (effect of ring temperatures, 1600 rpm, no load)
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Relation between oil film thickness and viscosity (1600 rpm, no load)
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Oil film temperature and viscosity (effect of engine speeds and no load); (a) oil film temperature, (b) viscosity
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Oil film thickness (effect of engine speeds, no load)
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Relations between oil film thickness, viscosity and engine speed (no load); (a) oil film thickness, (b) viscosity
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Heat flow at ring and liner surfaces (TR=116.3°C, 1600 rpm, no load)
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Temperature distributions in an oil film (condition of low temperature TR=TL=30°C); (a) CA=30 deg, (b) CA=270 deg
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Heat flow at ring and liner surfaces (TR=TL=30°C, 1600 rpm, no load)

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