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|Title: ||Thermoelastohydrodynamics of a rough piston compression ring-to-cylinder bore conjunction|
|Authors: ||Baker, Christopher E.|
|Issue Date: ||2011|
|Citation: ||BAKER, C.E. ... et al, 2011. Thermoelastohydrodynamics of a rough piston compression ring-to-cylinder bore conjunction. STLE 66th Annual Meeting & Exhibition, 15th-19th May 2011, Atlanta, Georgia, USA, pp.182-188.|
|Abstract: ||A thermo-elastohydrodynamic analysis of piston compression ring conjunction is presented. Regime of lubrication alters with contact load and piston kinematics. These affect the parasitic losses, improve fuel efficiency and emissions. These are significant, particularly in high performance engines.
Lubricant film thickness determines the mechanisms of friction; viscous shear and boundary friction. The friction generated heat reduces the effective lubricant viscosity. Salient features include in-situ ring geometry within an out-of-round bore and ring in-plane modal behaviour. The results show thin films, promoting some asperity interactions. The analysis is a guide for surface modification (coating and/or textured features) to improve lubrication.|
|Description: ||This conference paper is closed access.|
|Version: ||Accepted for publication|
|Publisher Link: ||http://www.stle.org/|
|Appears in Collections:||Conference Papers and Contributions (Mechanical, Electrical and Manufacturing Engineering)|
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