Browse > Article
http://dx.doi.org/10.9725/kstle.2009.25.1.056

A Study on the Identification Method of Lubrication Characteristics for Journal Bearing  

Kim, Myung-Hwan (Dept. of Mechanical Engineering, Pusan National University)
Lee, Sang-Don (Dept. of Mechanical Engineering, Pusan National University)
Cho, Yong-Joo (Dept. of Mechanical Engineering, Pusan National University)
Publication Information
Tribology and Lubricants / v.25, no.1, 2009 , pp. 56-60 More about this Journal
Abstract
A journal bearing is used in a hydrodynamic lubrication state, but it becomes a boundary lubrication state that asperity of a contact part touch each other when pressure is too high and an enough oil film is not formed by viscosity change due to lubricating oil temperature. At this time, abrasion due to contact between a journal and a bearing is unavoidable, and scuffing damage that the journal adheres to the bearing occurs if the process is repeated. Damage of the journal bearing is an important problem because it gives huge damage to a machine and can generate large accidents such as economic loss and human life damage. In this study, method for using the pull-up resistor concept was introduced as the monitoring technology. This monitoring system is important to enhance reliability of the engine.
Keywords
journal bearing; hydrodynamic lubrication; pull-up resistor; oil film thickness; reliability;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Q. Wang，H.S. Cheng, G.A Caracostas and M.E. Fine, “Wear of Aluminum AlIoy Matrix Composites in lubricated Conformal Contact with Case Hardened Steel', Tribology Transaction, Vol. 37, pp. 735-742, 1994   DOI   ScienceOn
2 오정원，' PIC 마이컴용 C언어 CCS-C실전가이드'. 컴파일 테크놀로지， 2001
3 지준근，' [Technical Tips] 풀업 저항과 풀다운 저항'， 전력전자학회， 전력전자학회지 제 8권， 제 1호，pp. 37-40, 2004
4 Kenneth Irani, Mats Pekkari and Hans-Erik, ' Oil Film Thickness Measurement in the Middle Main Bearing of a Six-cylinder Supercharged 9 Litre Diesel Engine using Capacitive Transducers', Wear，Vol. 207, pp. 29-33, 1997