A new oil evaporation model was developed, combining a thermo-hydrodynamic lubrication model with a conventional oil evaporation model considering the energy balance on the oil film surface. This model assumed that there was evaporation loss of the oil film on the cylinder wall. In addition, the effects of the oil film thickness and types of lubricant in the evaporated oil from the liner were examined. Moreover, the calculated evaporative oil was compared with the measured oil consumption of a gasoline engine. The relationship between the evaporated oil, the lubricant viscosity, and the oil film thickness were clarified using this model. The results showed that the calculated oil evaporation from the cylinder wall closely corresponded to the measured oil consumption under low load conditions.
- Internal Combustion Engine Division
The Effect of Oil Evaporation From the Cylinder Wall on Oil Consumption of a Gasoline Engine
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Harigaya, Y, Yamasuga, K, Suzuki, M, Iijima, N, Takiguchi, M, & Shimada, A. "The Effect of Oil Evaporation From the Cylinder Wall on Oil Consumption of a Gasoline Engine." Proceedings of the ASME 2009 Internal Combustion Engine Division Fall Technical Conference. ASME 2009 Internal Combustion Engine Division Fall Technical Conference. Lucerne, Switzerland. September 27–30, 2009. pp. 523-531. ASME. https://doi.org/10.1115/ICEF2009-14051
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