This paper presents a mathematical model for piston skirts in mixed lubrication. It takes into account the effects of surface waviness, roughness, piston skirt surface profile, bulk elastic deformation and thermal distortion of both piston skirts and cylinder bore on piston motion, lubrication and friction. The corresponding computer program developed can be used to calculate the entire piston trajectory and the hydrodynamic and contact friction forces as functions of crack angle under engine running conditions. This paper is the first part of a series of two papers. It gives basic information and some preliminary results. The second part will include the major results and discussions, focused on the influences of elastic and thermal deformations.
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July 1992
Research Papers
A Numerical Analysis for Piston Skirts in Mixed Lubrication—Part I: Basic Modeling
Dong Zhu,
Dong Zhu
Center for Engineering Tribology, Northwestern University, Evanston, Ill. 60208
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Herbert S. Cheng,
Herbert S. Cheng
Center for Engineering Tribology, Northwestern University, Evanston, Ill. 60208
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Takayuki Arai,
Takayuki Arai
Engine and Powertrain Research Laboratory, Central Engineering Laboratories, Nissan Motor Company, Yokosuka, 237 Japan
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Kyugo Hamai
Kyugo Hamai
Engine and Powertrain Research Laboratory, Central Engineering Laboratories, Nissan Motor Company, Yokosuka, 237 Japan
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Dong Zhu
Center for Engineering Tribology, Northwestern University, Evanston, Ill. 60208
Herbert S. Cheng
Center for Engineering Tribology, Northwestern University, Evanston, Ill. 60208
Takayuki Arai
Engine and Powertrain Research Laboratory, Central Engineering Laboratories, Nissan Motor Company, Yokosuka, 237 Japan
Kyugo Hamai
Engine and Powertrain Research Laboratory, Central Engineering Laboratories, Nissan Motor Company, Yokosuka, 237 Japan
J. Tribol. Jul 1992, 114(3): 553-562 (10 pages)
Published Online: July 1, 1992
Article history
Received:
February 15, 1991
Revised:
July 1, 1991
Online:
June 5, 2008
Citation
Zhu, D., Cheng, H. S., Arai, T., and Hamai, K. (July 1, 1992). "A Numerical Analysis for Piston Skirts in Mixed Lubrication—Part I: Basic Modeling." ASME. J. Tribol. July 1992; 114(3): 553–562. https://doi.org/10.1115/1.2920917
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