| 一类反常弹流油膜出现的实验研究 |
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| 引用本文： | 王学锋,郭峰,付忠学,杨沛然.一类反常弹流油膜出现的实验研究[J].摩擦学学报,2007,27(3):269-273. |
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| 作者姓名： | 王学锋 郭峰 付忠学 杨沛然 |
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| 作者单位： | 青岛理工大学,机械工程学院,山东,青岛,266033 |
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| 基金项目： | 国家自然科学基金，山东省自然科学基金，青岛市科技发展基金联合资助项目 |
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| 摘 要： | 采用光干涉法对球-圆盘和椭圆滚子-圆盘形成弹流油膜的凹陷现象进行研究.结果表明:凹陷只存在于一定的速度范围内,并受到载荷、卷吸方向及运动条件的影响;在速度-载荷关系曲线上,凹陷出现区域为一开放的三角形;润滑油的极限剪应力特性及其诱发的界面滑移为凹陷产生的原因.
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| 关 键 词： | 弹性流体动力润滑(EHL) 凹陷 极限剪应力 |
| 文章编号： | 1004-0595（2007）03-0269-05 |
| 修稿时间： | 2006-06-152006-09-20 |
Experimental Study of an Abnormal EHL Film with Inlet-dimples |
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| WANG Xue-feng,GUO Feng,FU Zhong-xue,YANG Pei-ran.Experimental Study of an Abnormal EHL Film with Inlet-dimples[J].Tribology,2007,27(3):269-273. |
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| Authors: | WANG Xue-feng GUO Feng FU Zhong-xue YANG Pei-ran |
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| Institution: | School of Mechanical Engineering, Qingdao Technological University, Qingdao 266033, China |
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| Abstract: | Using optical interferometry, elastohydrodynmic lubrication of films with an inlet-dimple was studied experimentally under ball-on-disc and spherical roller-on-disc contacts. The results show that the dimple only apwithin a limited entrainment speed range, and this speed range was influenced by applied loads, the entrainment direction and the kinematic condition. The occurrence regime of the dimple had a triangular shape in terms of load versus speed. The observed inlet dimple can be tentatively interpreted by limiting shear stress or wall slippage. |
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| Keywords: | elastohydrodynamic lubrication dimple limiting shear stress |
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