Transactions of Society of Automotive Engineers of Japan
Online ISSN : 1883-0811
Print ISSN : 0287-8321
ISSN-L : 0287-8321
Research Paper
Effect of Piston Pattern-Coating on Lubrication Conditions and Friction (Second Report)
-Evaluation of Oil Film Distribution by Visualization-
Ryosuke FujishimaHisanobu KawashimaKunihiko KobayashiNaoki YamakawaAkemi ItoHidekazu SuzukiTsuneaki Ishima
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2019 Volume 50 Issue 4 Pages 987-992

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Abstract
To analyze oil film behavior between piston and cylinder is a significant topic for reducing the friction loss. The oil film thickness is measured by LIF (Laser Induced Fluorescence) method in a visualization engine. Oil film pattern is visualized in test engine with pattern-coating pistons that have a difference in friction. It is clarified by the visualization that the oil film thickness is affected by the pattern coating.
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© 2019 Society of Automotive Engineers of Japan, Inc.
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