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http://dx.doi.org/10.3795/KSME-A.2003.27.1.088

Friction Characteristics of Piston Assembly (II) -Experiment-  

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.1, 2003 , pp. 88-93 More about this Journal
Abstract
The aim of this paper is to investigate the friction characteristics of piston assembly, which composed of ring pack and piston skirt. The friction force of piston assembly was measured by using the movable liner in the single cylinder engine, and the various parameters were tested. The friction force was suddenly increased at the expansion stroke due to higher cylinder pressure. The viscous friction was dominant at the mid stroke, but the boundary friction was dominant at the top and bottom dead centers. Through the experiment, we could validate previous theoretical study, and confirm that th e radial clearance and ring tension were very effective to reduce friction loss of piston assembly.
Keywords
Friction Force; Piston; Ring Pack; Skirt; Movable Liner; Viscous Friction; Boundary Friction; Radial Clearance; Tension;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
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