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Characteristics of Diesel Engine Oil for Heavy Duty Commercial Vehicles Achieving for both Fuel Economy and Reliability
Technical Paper
2019-01-2243
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
When the engine oil evaporates in the crankcase, it is necessary to discharge to the outside of the engine or returns to the intake air as part of blow-by gas. The amount of oil content in the blow-by gas is preferable to be as small as possible. This paper researched the evaporation characteristics of diesel engine oil for heavy duty into blow-by gas using 5W-30 and 10W-30 engine oils with the equivalent to Noack. As a result, it is found that evaporate phenomenon cannot be explained well enough by just Noack and clarified of the oil evaporation mechanism in blow-by gas.
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Nakamura, Y., Hashimoto, K., Nakamura, H., and Ejiri, S., "Characteristics of Diesel Engine Oil for Heavy Duty Commercial Vehicles Achieving for both Fuel Economy and Reliability," SAE Technical Paper 2019-01-2243, 2019, https://doi.org/10.4271/2019-01-2243.Data Sets - Support Documents
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References
- ASTM D5800
- JASO M355
- ASTM D4485
- Harigaya , Y. , Suzuki , H. , Ito , A. , Soejima , M. , Hamatake , T. Transactions of Society of Automotive Engineers of Japan 47 3 2016
- ASTM D6375