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Elastohydrodynamic modeling and measurement of cylinder- kit assembly tribological performance.


Engine tribology is becoming a major focus in modern engine development due to the rising demand for engines with lower energy loss and greater durability. The cylinder-kit assembly of an internal combustion engine comprises some of the most crucial components that affect the engine quality in the two areas mentioned above. This dissertation features the computational modeling of the engine cylinder-kit assembly tribology, and its implementation into an existing engine simulation program, CASE, in particular the three-dimensional elastohydrodynamic lubrication (EHL) system at the sliding interfaces of piston/bore and piston ring/bore.