Thermo-hydrodynamic lubrication analysis of journal bearings using a simplified THL model and prediction of onset speed of instability (Application of adiabatic boundary condition to the journal side)

Author:

SOGO Makoto1,INOUE Tsuyoshi1,HATAKENAKA Kiyoshi2

Affiliation:

1. Nagoya University

2. Department of Intelligent and Control Systems, Kyushu Institute of Technology

Publisher

Japan Society of Mechanical Engineers

Subject

General Medicine

Reference11 articles.

1. D. Dowson, J. D. Hudson, B. Hunter& C. N. March, An Experimental Investigation of the Thermal Equilibrium of Steady Loaded Journal Bearings, IMechE Journal of Engineering Tribology, Vol. 181, No. 2 (1966-1967), pp.70-80.

2. Hatakenaka, K., Time history of journal maximum bearing temperature based on a simplified thermohydrodynamic lubrication theory, Tribologist , Vol. 66, No. 5 (2021), pp. 384-396 (in Japanese).

3. Keogh, P., Morton, P., Journal bearing differential heating evaluation with influence on rotor dynamic behaviour , Proc. R. Soc. London , Vol.441, No. 1913 (1993) , pp.527-548.

4. Lee, J., Palazzolo, A., Morton effect cyclic vibration amplitude determination for tilt pad bearing supported machinery, ASME J. Tribol, Vol.135, No.1(2012), p. 011701.

5. Matsushita, O., Tanaka, M. , Kobayashi. , M, Koike, H. , Kanki, H.,The second volume of rotating machinery -application of analysis troubleshooting and diagnosis-, pp.20-40, corona publishing, (2012) (in Japanese).

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