水润滑径向滑动轴承润滑性能的CFD研究
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- 英文论文题名：CFD Investigation on the Lubrication Performance of Water Lubricated Plain Journal Bearing
- 论文作者：解忠良 ; 刘翎 ; 塔娜 ; 饶柱石
- 英文论文作者：Xie Zhongliang ; Liu Ling ; Ta Na ; Rao Zhushi ; School of Mechanical Engineering ; Shanghai Jiao Tong University ; State Key Lab of Mechanical System and Vibration
- 年：2016
- 作者机构：上海交通大学机械与动力工程学院;上海交通大学机械系统与振动国家重点实验室;
- 论文关键词：水润滑轴承 ; 润滑性能 ; CFD ; 轴颈转速 ; 偏心率
- 英文论文关键词：water lubricated bearing ; lubrication performance ; CFD ; rotating speed ; eccentricity ratio
- 会议召开时间：2016-08-12
- 会议录名称：第十六届全国模态分析与试验学术会议论文集
- 语种：中文
- 分类号：TH133.31
- 学会代码：ZGZH
- 会议名称：第十六届全国模态分析与试验学术会议
- 会议地点：中国天津
- 主办单位：中国振动工程学会模态分析与试验专业委员会
- 学会名称：中国振动工程学会
- 页数：12
- 文件大小：1429k
- 原文格式：D
- 会议级别：全国
摘要
本文主要研究水膜在考虑不同润滑模型情况下的润滑性能,获得其随转速、偏心率和润滑模型的变化规律。研究结果表明,转速和润滑模型对润滑性能有显著影响,且存在一个最佳的偏心率使轴承的轴承能力和摩擦特性到达特定的平衡点。该研究对水润滑轴承的结构设计与优化有一定的指导意义。
This paper aims to investigate the lubrication performances of water film under the consideration of different lubrication models. Variations between lubrication performance and rotating speeds,eccentricity ratios and lubrication models are obtained. Research results show that: rotating speeds and lubrication models have great influence on the lubrication performances. There exists an optimum eccentricity ratio at which the bearing load carrying capacity and friction characteristics can strike the very balance point. Research conclusions have certain guiding significance on the structure design and optimization for water lubricated bearings.
This paper aims to investigate the lubrication performances of water film under the consideration of different lubrication models. Variations between lubrication performance and rotating speeds,eccentricity ratios and lubrication models are obtained. Research results show that: rotating speeds and lubrication models have great influence on the lubrication performances. There exists an optimum eccentricity ratio at which the bearing load carrying capacity and friction characteristics can strike the very balance point. Research conclusions have certain guiding significance on the structure design and optimization for water lubricated bearings.
引文
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[18]Hartinger M,Dumont M-L,Ioannides S,et al.CFD modeling of a thermal and shear-thinning elastohydrodynamic line contact[J].Journal of Tribology,2008,130(4):041503.
[2]Huang W,Xu Y,Zheng Y,et al.The tribological performance of Ti(C,N)-based cermet sliding against Si 3 N 4in water[J].Wear,2011,270(9):682-687.
[3]Wang J,Yan F,Xue Q.Tribological behavior of PTFE sliding against steel in sea water[J].Wear,2009,267(9):1634-1641.
[4]Heberley B D.Advances in hybrid water-lubricated journal bearings for use in ocean vessels[D].Massachusetts Institute of Technology,2013.
[5]Majumdar B,Pai R,Hargreaves D.Analysis of water-lubricated journal bearings with multiple axial grooves[J].Proceedings of the Institution of Mechanical Engineers,Part J:Journal of Engineering Tribology,2004,218(2):135-146.
[6]Wang X,Adachi K,Otsuka K,et al.Optimization of the surface texture for silicon carbide sliding in water[J].Applied Surface Science,2006,253(3):1282-1286.
[7]Wang N,Meng Q,Wang P,et al.Experimental Research on Film Pressure Distribution of Water-Lubricated Rubber Bearing With Multiaxial Grooves[J].Journal of Fluids Engineering,2013,135(8):084501.
[8]Litwin W.Experimental research on water lubricated three layer sliding bearing with lubrication grooves in the upper part of the bush and its comparison with a rubber bearing[J].Tribol.Int,2015,82,Part A(0):153-161.
[9]Cabrera D,Woolley N,Allanson D,et al.Film pressure distribution in water-lubricated rubber journal bearings[J].Proceedings of the Institution of Mechanical Engineers,Part J:Journal of Engineering Tribology,2005,219(2):125-132.
[10]Pai R,Pai R.Stability of four-axial and six-axial grooved water-lubricated journal bearings under dynamic load[J].Proceedings of the Institution of Mechanical Engineers,Part J:Journal of Engineering Tribology,2008,222(5):683-691.
[11]Zhang X,Yin Z,Gao G,et al.Determination of stiffness coefficients of hydrodynamic water-lubricated plain journal bearings[J].Tribol.Int,2014.
[12]Liu H,Xu H,Ellison P J,et al.Application of Computational Fluid Dynamics and Fluid–Structure Interaction Method to the Lubrication Study of a Rotor–Bearing System[J].Tribology Letters,2010,38(3):325-336.
[13]Liu H,Xu H,Jin Z,et al.:Lubrication analysis of journal bearing and rotor system using CFD and FSI techniques,Advanced Tribology:Springer,2010:40-41.
[14]Guo Z,Hirano T,Kirk R G.Application of CFD analysis for rotating machinery—Part I:Hydrodynamic,hydrostatic bearings and squeeze film damper[J].Journal of Engineering for Gas Turbines and Power,2005,127(2):445-451.
[15]Hirano T,Guo Z,Kirk R G.Application of computational fluid dynamics analysis for rotating machinery—part ii:labyrinth seal analysis[J].Journal of engineering for gas turbines and power,2005,127(4):820-826.
[16]Gertzos K,Nikolakopoulos P,Papadopoulos C.CFD analysis of journal bearing hydrodynamic lubrication by Bingham lubricant[J].Tribol.Int,2008,41(12):1190-1204.
[17]Almqvist T,Larsson R.Thermal transient rough EHL line contact simulations by aid of computational fluid dynamics[J].Tribol.Int,2008,41(8):683-693.
[18]Hartinger M,Dumont M-L,Ioannides S,et al.CFD modeling of a thermal and shear-thinning elastohydrodynamic line contact[J].Journal of Tribology,2008,130(4):041503.