Browse Publications Technical Papers 2008-01-1614
2008-06-23

The Influences of Cylinder Liner Honing Patterns and Oil Control Ring Design Parameters on the Interaction between the Twinland Oil Control Ring and the Cylinder Liner in Internal Combustion Engines 2008-01-1614

This paper discusses the influences of several cylinder liner honing surface geometrical features on the interaction between the piston twin land oil control ring (TLOCR) and the cylinder liner by using the deterministic hydrodynamic model [1] and the twin land oil control ring model [2]. Additionally, the key design parameters of the TLOCR, including ring tension and land axial width are studied.
The results show significant effects of three liner honing surface features beyond height distribution, including plateau wavelength, groove density and honing angle in hydrodynamic pressure generation. The study in oil control ring design parameters reveals that both ring tension and land axial width have important influences on friction and oil consumption, and their competing effects are discussed subsequently.

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