1987-11-01

Lubricants Effects on Piston/Rings/Liner Friction in an Instrumented Single Cylinder Diesel Engine 872034

Extensive measurements of oil film temperature and mainly of friction losses have been performed on an instrumented single-cylinder diesel engine. To assess the behavior of Newtonian and non-Newtonian oils in the piston/rings/liner contact, several operating conditions (running-in, motoring and firing) have been investigated. An original data processing method is proposed to evaluate the share of boundary friction in piston assembly friction loss.

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