Influence of cylinder liner vibration on lateral motion and tribological behaviors for piston in internal combustion engine

The influence of cylinder liner vibration on the lateral motion and tribological behaviors for the piston in an internal combustion engine is investigated using an extended secondary motion equation for the piston. By solving this equation and other associated equations with the Broyden algorithm an...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part J, Journal of engineering tribology Journal of engineering tribology, 2015-02, Vol.229 (2), p.151-167
Main Authors: Meng, FM, Wang, XF, Li, TT, Chen, YP
Format: Article
Language:English
Subjects:
Algorithms
Cylinder liners
Cylinders
Engines
Fluctuation
Internal combustion engines
Mathematical analysis
Mathematical problems
Mechanical engineering
Piston rings
Pistons
Sliding friction
Tribology
Vibration
Vibration analysis
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Summary:The influence of cylinder liner vibration on the lateral motion and tribological behaviors for the piston in an internal combustion engine is investigated using an extended secondary motion equation for the piston. By solving this equation and other associated equations with the Broyden algorithm and finite difference method, the vibration effect on the piston behavior is revealed. Numerical results show that the cylinder liner vibration can result in fluctuations in the dynamic and tribological performances of the piston, especially at the expansion stroke of an internal combustion engine. The fluctuations decay with increasing mass, stiffness and damping of the cylinder. There exists a critical rotational speed of internal combustion engine changing the above fluctuations. In addition, the averaged friction power assumption for the piston skirt increases due to the vibration.
ISSN:1350-6501
2041-305X
DOI:10.1177/1350650114545140