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http://dx.doi.org/10.3795/KSME-A.2003.27.3.349

Eviction Characteristics of Piston Assembly (I) -Theory-  

Cho, Myung-Rae (현대자동차 파워트레인연구소)
Ha, Kyoung-Pyo (현대자동차 파워트레인연구소)
Kim, Joong-Soo (현대자동차 파워트레인연구소)
Oh, Dae-Yoon (현대자동차 파워트레인연구소)
Han, Dong-Chul (서울대학교 기계항공공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.27, no.3, 2003 , pp. 349-356 More about this Journal
Abstract
The aim of this paper is to investigate the friction characteristics of piston assembly. The friction of piston assembly is composed of ring pack and skirt friction. In this paper, the theoretical models of piston ring pack and piston skirt were presented. The mixed lubrication theory was considered to calculate friction force of piston ring and skirt. from the results, most of friction in piston assembly occurred at the piston ring park. The piston assembly usually showed hydrodynamic lubrication characteristics. but the top and bottom dead centers showed mixed lubrication characteristics. The piston skirt was much affected by radial clearance and load, but ring was significantly influenced by ring tension.
Keywords
Friction Force; Piston; Ring Pack; Skirt; Mixed Lubrication; Hydrodynamic Lubrication; Radial Clearance; Tension;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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