Dynamic Model of Pivoting Friction and Experimental Evidence

doi:10.13209/j.0479-8023.2018.020

Acta Scientiarum Naturalium Universitatis Pekinensis ›› 2018, Vol. 54 ›› Issue (5): 915-920.DOI: 10.13209/j.0479-8023.2018.020

Dynamic Model of Pivoting Friction and Experimental Evidence

WANG Chen¹, ZHANG Hongjian^1,4,†, WANG Xiaojun^2,†, SHI Yuhong¹, ZHANG Xi¹, LIU Caishan³, WANG Haiying^4,5#br#

1. Beijing Institute of Aerospace Systems Engineering, Beijing 100076
2. China Academy of Launch Vehicle Technology, Beijing 100076
3. State Key Laboratory for Turbulence and Complex Systems, Peking University, Beijing 100871
4. State Key Laboratory of Nonlinear Mechanics, Chinese Academy of Sciences, Beijing 100090
5. School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049

Received:2017-07-27 Revised:2018-04-15 Online:2018-09-20 Published:2018-09-20
Contact: ZHANG Hongjian, E-mail: zhanghj(at)pku.edu.cn; WANG Xiaojun, E-mail: wangxj99(at)139.com

自旋摩阻动力学模型与实验研究

王辰¹, 张宏剑^1,4,†, 王小军^2,†, 石玉红¹, 张希¹, 刘才山³, 汪海英^4,5

1. 北京宇航系统工程研究所, 北京 100076
2. 中国运载火箭技术研究院, 北京 100076
3. 北京大学湍流与复杂系统国家重点实验室, 北京 100871
4. 中国科学院非线性力学国家重点实验室, 北京 100090
5. 中国科学院大学工程科学学院, 北京 100049

通讯作者: 张宏剑, E-mail: zhanghj(at)pku.edu.cn; 王小军, E-mail: wangxj99(at)139.com
基金资助:
国家自然科学基金(11402033, 11602031)、863 计划(2015AA7021076)、中国科学技术协会青年人才托举工程(2016QNRC001-YESS20160107)和非线性力学国家重点实验室开放基金(LNM201717)资助

Abstract

Abstract:

An experimental apparatus was designed to test the pivoting friction moment of annular friction disc under either constant normal force and variable normal force. The experimental results demonstrated the applicability of the classical pivoting friction model under the continuous variable normal contact force, and showed that the rotary velocity affects the properties of the pivoting friction. By considering the Stribeck effect of the local friction at a contact point, a theoretical model was proposed for the pivoting friction. Good agreement between proposed theoretical and experimental results sheds light on the physical mechanism underlying the pivoting friction.

Key words: pivoting friction, annular friction disc, Stribeck effect

摘要：

设计环形摩擦片在变法向力和恒定法向力两种情况下的自旋摩阻实验, 验证经典自旋摩阻模型在接触区域法向接触力连续变化条件下的适用性, 研究局部摩擦性质的速度依赖性对自旋摩阻的影响, 建立基于Stribeck效应的自旋摩阻模型。该模型对精确分析包含相对转动的空间运动体动力学具有重要意义。

关键词: 自旋摩阻, 环形摩擦片, Stribeck效应

CLC Number:

O313

WANG Chen, ZHANG Hongjian, WANG Xiaojun, SHI Yuhong, ZHANG Xi, LIU Caishan, WANG Haiying. Dynamic Model of Pivoting Friction and Experimental Evidence[J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2018, 54(5): 915-920.

王辰, 张宏剑, 王小军, 石玉红, 张希, 刘才山, 汪海英. 自旋摩阻动力学模型与实验研究[J]. 北京大学学报自然科学版, 2018, 54(5): 915-920.

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Dynamic Model of Pivoting Friction and Experimental Evidence

自旋摩阻动力学模型与实验研究

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