For continuous measurement of oil-film-thickness on the piston ring, an electrical capacitance method has been applied. The capacitance pick-up fixed in the ring had an electrode with or without an insulating surface layer. We also measured friction forces at the same time, and learned the following.
Measurement of Oil-Film-Thickness Between Piston Ring and Cylinder
Sae Technical Papers
SAE International Congress and Exposition ; 1983
1983-02-01
Aufsatz (Konferenz)
Englisch
Measurement of Oil-Film-Thickness Between Piston Ring and Cylinder
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