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Analysis of Piston Friction - Effects of Cylinder Bore Temperature Distribution and Oil Temperature
Journal Article
2011-01-1746
ISSN: 1946-3952, e-ISSN: 1946-3960
Sector:
Citation:
Kimura, Y. and Murakami, M., "Analysis of Piston Friction - Effects of Cylinder Bore Temperature Distribution and Oil Temperature," SAE Int. J. Fuels Lubr. 5(1):1-6, 2012, https://doi.org/10.4271/2011-01-1746.
Language:
English
Abstract:
Hybrid vehicles (HVs) are becoming more widely used. Since HVs supplement engine drive with motor power, the lubricant oil temperature remains at a lower level than in a conventional gasoline vehicle. This study analyzed the effect of cylinder bore temperature and lubricant oil temperature on engine friction. The results showed that, although the lubricant oil temperature was not relevant, the bore temperature had significant effect on piston friction. It was found that raising the temperature of the middle section of the cylinder bore was the most effective way of reducing piston friction.
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