Browse > Article
http://dx.doi.org/10.9725/kstle.2009.25.1.001

Analytical Study on the Optimized Design of Engine Bearings for a Passenger Car  

Kim, Chung-Kyun (Research Center for Tribology, Mechatronics and Energy Technology Center, Hongik University)
Kim, Han-Goo (Technical Center, Renault Samsung Motors)
Publication Information
Tribology and Lubricants / v.25, no.1, 2009 , pp. 1-6 More about this Journal
Abstract
In this paper, the minimum oil film thickness and the maximum oil film pressure of engine bearings have been analyzed by using the elastohydrodynamic theory and Taguchi's design method as functions of the oil groove width, oil hole diameter, oil hole position, and oil supply pressure. The optimized design of the engine bearing f3r an automotive Diesel engine is very important for supporting a load-carrying capacity due to gas pres-sures from the engine combustion chamber and inertia forces of the piston. The optimized design data of engine bearings indicated that the optimized oil groove width and an oil diameter of a engine bearing are 8mm at the speed of 2,000 rpm for a given 4-cylinder Diesel engine. Thus, the oil groove oil groove and an oil hole for high performances of an engine bearing may be considered as major design parameters compared to other design factors, which are strongly related to the minimum oil film thickness and the maximum oil pressure distribution of the engine oil.
Keywords
engine bearing; oil groove; oil hole; oil supply pressure; minimum oil film thickness;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 김청균， '자동차엔진공학'， pp. 349, 복두출판사， 2004
2 Kim, C.K. and Kim, H.G., 'Numerical Analysis on the Oil Film Behaviors of Connecting Rod Bearing Based on the Elastohydrodynamic Lubrication', Transaction of KSAE， Vol. 12, No. 4, pp. 36-41, 2004
3 박경진， '지동차 분야에서의 최적설계기술의 응용', 월간기계설계， pp. 82-89. Sept., 2002
4 송서일， '실험계획법', 한경사， June, 2001
5 Oliver Knaus, Bernhard Loibnegger, Hubert M. Herbst and Gudrun Kreuzwirth, 'Einfluss von Strukturdynamik und elastohydrodynamischer Lagerung auf die Pleuelgestaltung', MTZ, Jahrgang 63, pp. 546-554, 2002
6 Kim, C.K. and Lee, 1. K., 'Studies of Oil Related Tribological Failures of Automotive Engines', 28th Proceedings of KSTLE Conlerence, pp. 244-251, 1998
7 Gupta, B. K. and Phelan, R. M., 'The Load Capacity of Short Joumal Bearing with Oscillating Effective Speed', ASME J of Basic Engineering, Vol. 86, pp. 348-354, 1964   DOI
8 Takasaki, M. and Ettles, C. M. McC., 'The Effect of Added Rotation on Crosshead Bearing Performance', J of Tribology, Vol. 107, No. 1, pp. 104- 109, 1985   DOI