Mécanique & Industries
Volume 12, Number 1, 2011
|Page(s)||5 - 15|
|Published online||16 March 2011|
Thermohydrodynamic behaviors of finite journal bearings with cavitation
Department of Mechanical Engineering, School of Engineering,
Shahid Bahonar University, Kerman, Iran
a Corresponding author:
Accepted: 21 October 2010
This paper presents thermohydrodynamic solutions for a finite-width journal bearing with single axial groove on the crown by considering turbulent effects in lubricant film. Appropriate governing equations and boundary conditions are used for the fluid flow and heat transfer process occurring in finite full journal bearings. A general computer program is developed to numerically solve the set of governing equations. Results are provided for THD characteristics of journal bearing in terms of Reynolds number, clearance ratio and eccentricity ratio. Good agreement with published experimental results was achieved. The results indicate that the bearing temperature field and pressure field are considerably influenced by the journal bearing parameters.
Key words: Journal bearing / turbulent flow / simulation
© AFM, EDP Sciences 2011
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