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Technical Paper

A System Approach for the Assessment of Cavitation Corrosion Damage of Cylinder Liners in Internal Combustion Engines

1993-03-01
930581
Modeling of liner cavitation corrosion is of increasing significance since new engine design trends could aggravate the problem. Cavitation corrosion is of a complex nature and is affected by numerous coupled factors. A system approach to analyze and assess cavitation corrosion damage is deemed necessary. The approach accounts for the macroscopic and microscopic aspects of the phenomenon that include modeling of piston dynamics, liner transient vibration, pressure wave propagation, bubble dynamics and their effect on material damage. Though detection methods can provide crucial insight of factors that influence the cavitation problem, analysis methods are required at the initial design stage to provide overall engine design optimization and reduce prototype development cost and time. This analytical diagnostic approach provides a powerful tool to give valuable and relatively quick insight in solving engine liner cavitation corrosion problems.
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