| 椭圆接触乏油弹性流体润滑数值分析 |
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| 引用本文： | 闫玉涛,孙志礼,张风和,鲍永岩.椭圆接触乏油弹性流体润滑数值分析[J].东北大学学报(自然科学版),2009,30(7). |
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| 作者姓名： | 闫玉涛 孙志礼 张风和 鲍永岩 |
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| 作者单位： | 1. 东北大学,机械工程与自动化学院,辽宁,沈阳,110004
2. 沈阳鼓风机电设备进出口有限公司,辽宁,沈阳,110142 |
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| 摘 要： | 采用多重网格技术,通过对乏油弹流润滑基本方程的数值求解研究了椭圆接触乏油弹流润滑,分析了入口初始位置对乏油润滑中心膜厚、最小膜厚、油膜压力及部分油膜比例的影响.结果表明:中心膜厚和最小膜厚随着入口区初始位置远离接触中心而逐渐增大,并最终趋于一个稳定的值.随着入口初始位置向接触中心移动,接触中心最大油膜压力基本无变化,但是二次压力峰值逐渐向出口区移动并减小;油膜压力区逐渐减小,乏油区增大.当入口初始位置达到1.2时,中心膜厚、最小膜厚和压力区已很小,达到了严重乏油状态.
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| 关 键 词： | 椭圆接触 乏油弹流润滑 油膜厚度 压力 部分油膜比例 |
Numerical Analysis of Starved Elastohydrodynamic Lubrication for Elliptic Contacts |
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| YAN Yu-tao,SUN Zhi-li,ZHANG Feng-he,BAO Yong-yan.Numerical Analysis of Starved Elastohydrodynamic Lubrication for Elliptic Contacts[J].Journal of Northeastern University(Natural Science),2009,30(7). |
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| Authors: | YAN Yu-tao SUN Zhi-li ZHANG Feng-he BAO Yong-yan |
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| Institution: | YAN Yu-tao1,SUN Zhi-li1,ZHANG Feng-he1,BAO Yong-yan2(1.School of Mechanical Engineering & Automation,Northeastern University,Shenyang 110004,China,2.SBW Electro-Mechanics Import & Export Corporation,Shenyang 110142,China.) |
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| Abstract: | The starved elastohydrodynamic lubrication(SEHL) for elliptic contacts was investigated by numerical analysis based on the equations of SEHL with multi-grid technique used.The effects of initial inlet position on central and minimal film thickness,film pressure and fractional film content were analyzed.The results showed that both the central and minimal film thicknesses increase gradually with the extending distance from initial inlet position to contact center,then approach to a steady value at last.Howev... |
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| Keywords: | elliptic contact starved elastohydrodynamic lubrication film thickness pressure fractional film content |
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