Investigations on transitions of lubrication states for water lubricated bearing. Part I: Determination of friction coefficients and film thickness ratios

Zhongliang Xie, Zhu Shi Rao, Na Ta, Ling Liu

科研成果: 期刊稿件文章同行评审

26 引用 (Scopus)

摘要

Purpose: This paper aims to provide efficient methods to calculate the friction coefficients and film thickness ratios in mixed lubrication (ML) regime for water lubricated bearings. Mathematical models consider influence of micro-asperities contacts which is based on the Gauss random distribution. Design/methodology/approach: Effects of external loads, rotating speeds and radial clearances are obtained. Algorithm shown here is applied to a class of common industrial problems. Calculated Stribeck values are given and evaluated. The calculated and experimental results agree well which proves the correctness of the model. Findings: In Part I, the authors believe that the paper presents the following for the first time: universal methods are developed for the calculation of friction coefficients and film thickness ratios (lambda) in ML regime; effects of different external loads, rotating speeds and radial clearances on friction coefficients and film thickness ratios are presented in detail; comparisons are made between the results predicted by the model and experimental results, and they agree rather well which proves the correctness of the model. Originality/value: Present work successfully develops universal methods for predicting the friction coefficients and film thickness ratios.

源语言英语
页(从-至)404-415
页数12
期刊Industrial Lubrication and Tribology
68
3
DOI
出版状态已出版 - 2016
已对外发布

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