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| 弹流润滑点接触Hertz区温度分布及其变化规律的实验研究 | |
| 引用本文： | 孙文龙,马丽然,李刚,郭东明,路新春.弹流润滑点接触Hertz区温度分布及其变化规律的实验研究[J].润滑与密封,2009,34(3). |
| 作者姓名： | 孙文龙 马丽然 李刚 郭东明 路新春 |
| 作者单位： | 1. 清华大学摩擦学国家重点实验室,北京,100084;大连理工大学机械工程学院,辽宁大连,116024 2. 清华大学摩擦学国家重点实验室,北京,100084 3. 大连理工大学机械工程学院,辽宁大连,116024 |
| 基金项目： | 国家重点基础研究发展规划(973计划) |
| 摘 要： | 为实现对点接触赫兹接触区温度的测量,根据热辐射理论和红外热像仪的测温原理,利用红外热像仪测量被测物体表面真实温度以及分布情况,得到点接触区的温度分布规律,并与摩擦力进行对比分析.结果表明:在弹流润滑下,接触区温升与压力分布相对应,最大温升一般发生在Hertz接触区中心的附近;最大温升随载荷的增加而增大,与速度也有一定的关系. |
| 关 键 词： | 点接触 红外热像仪 温度分布 弹流润滑 |
Experimental Study of Temperature Distribution and Its Variation Trend in Point Contact Area under Elastohydrodynamic Lubrication |
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| Sun Wenlong,Ma Liran,Li Gang,Guo Dongming,Lu Xinchun.Experimental Study of Temperature Distribution and Its Variation Trend in Point Contact Area under Elastohydrodynamic Lubrication[J].Lubrication Engineering,2009,34(3). | |
| Authors: | Sun Wenlong Ma Liran Li Gang Guo Dongming Lu Xinchun |
| Affiliation: | 1.State Key Laboratory of Tribology;Tsinghua University;Beijing 100084;China;2.Department of Mechanical Engineering;Dalian University of Technology;Dalian Liaoning 116024;China |
| Abstract: | In order to measure the temperature distribution in the Hertz area of the point contact,a high resolution thermography technique was used to test the real temperature and its distribution of tribo-surface according to the theory of thermal radiation and the principle of temperature measurement with the infrared thermography,and the variation in temperature distribution for the point contact was obtained.The friction force in the contact area when sliding was measured for a comparison with the temperature di... |
| Keywords: | point contact infrared thermography temperature distribution elastohydrodynamic lubrication |
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