Mixed Lubrication Characteristics of Piston Rings

Toshiro Hamatake, Yutaro Wakuri, Mitsuhiro Soejima, Tatsumi Kitahara

Research output: Contribution to journalArticlepeer-review


The oil film and friction characteristics of piston rings operating in the mixed lubrication regime are analyzed. The friction force is predicted by considering the effects of surface roughness and asperity contact. The effect of oil viscosity and engine speed on the oil film thickness and friction characteristics are examined.
Original languageEnglish
Article number6
Pages (from-to)83
Number of pages88
JournalInternational Journal of Automotive Engineering
Issue number3
Publication statusPublished - Jul 1 1996


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