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International Journal of Rotating Machinery
Volume 2018, Article ID 5051794, 7 pages
https://doi.org/10.1155/2018/5051794
Research Article

Influence of Spiral Angle on the Performance of Spiral Oil Wedge Sleeve Bearing

College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao 266590, China

Correspondence should be addressed to Qing-liang Zeng; moc.qq@7033970061

Received 27 December 2017; Revised 19 April 2018; Accepted 26 April 2018; Published 5 June 2018

Academic Editor: Farid Bakir

Copyright © 2018 Li-li Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Spiral angel is an important structure parameter of spiral oil wedge sleeve bearing, which produces greater impact on bearing performance. Based on JFO boundary condition, the generalized Reynolds equations considering four slip conditions are established. Using the concept of partial derivatives, stiffness and damping coefficients of sleeve bearing are calculated. The results show that carrying capacity and friction drag of oil film decrease, temperature rise decreases first and then increases, and end leakage rate, stiffness, and damping coefficients generally increase first and then decrease with the increase of spiral angle. The carrying capacity, friction drag, temperature rise, stiffness, and damping coefficients are smaller and the end leakage rate is higher considering wall slip and JFO condition compared with reckoning with no slip and Reynolds boundary condition.