期刊
出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1350650117709152
关键词
Cylinder liner; engine; piston ring; surface texture; simulation
资金
- Scania
- AB Volvo
- Energimyndigheten
- Energy Efficient Vehicle programme
- Swedish Research Council
Piston rings are responsible for a major part of the frictional losses in a heavy-duty diesel engine. Such losses can be reduced by applying texture, such as dimples, on the cylinder liner surface. This paper investigates the effect of such texture on the friction between a land of the oil control ring and a textured cylinder liner via numerical simulation. A simulation model considering inertia and mixed lubrication together with a mass-conserving cavitation model is developed. The model is used to determine the dimple parameters that yield the lowest amount of friction for a specific oil control ring of a heavy-duty diesel engine.
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