载流滑动摩擦副温度场瞬态特性仿真研究

doi:10.16182/j.issn1004731x.joss.201805012

系统仿真学报 ›› 2018, Vol. 30 ›› Issue (5): 1715-1723.doi: 10.16182/j.issn1004731x.joss.201805012

载流滑动摩擦副温度场瞬态特性仿真研究

郭凤仪¹, 高洪鑫¹, 刘帅¹, 王智勇¹, 张凯¹, 王爱军²

1. 辽宁工程技术大学电气与控制工程学院,辽宁葫芦岛 125105;
2. 开滦(集团)有限责任公司钱家营矿业公司,河北唐山 063301

收稿日期:2016-06-21 修回日期:2016-09-19 出版日期:2018-05-08 发布日期:2019-01-03
作者简介:郭凤仪(1964-),男,内蒙古赤峰,博士,教授,博导,研究方向为电器基础理论及应用。
基金资助:
国家自然科学基金(51277090),辽宁省教育厅重点实验室基础研究(LZ2014024),辽宁工大第五批生产技术问题创新研究基金(20160054T)

Simulation of Transient Temperature Field of Current-carrying Sliding Friction Pair

Guo Fengyi¹, Gao Hongxin¹, Liu Shuai¹, Wang Zhiyong¹, Zhang Kai¹, Wang Aijun²

1. Faculty of Electrical and Control Engineering, Liaoning Technical University, Huludao 125105, China;
2. Kailuan (Group) Limited Liability Corporation, Qianjiaying Mineral Company, Tangshan 063301, China

Received:2016-06-21 Revised:2016-09-19 Online:2018-05-08 Published:2019-01-03

摘要/Abstract

摘要： 弓网系统瞬态温升会影响摩擦副的材料特性、加速系统磨耗。为减小温度场引起的磨耗,对铜/浸铜碳摩擦副的瞬态温升及分布规律进行研究。利用COMSOL Multiphysics建立仿真模型,通过温升实验验证模型的有效性,并对接触面的温度场瞬态过程进行仿真计算。滑板温升伴随有周期性小峰值,运行初始阶段接触区温度最高,在接触区相对运动的前方温度梯度较大、后方有“高温拖尾”现象。运行中后期接触区温度反而稍低,在相对运动前方温度值更高。铜导线温度变化较平缓且总体温度较低,在运行方向温度梯度较小。上述结论对研究摩擦副的温度特性具有重要意义。

关键词: 瞬态温度场, 温度梯度, 高温拖尾现象, 滑动电接触

Abstract: The transient temperature rise of pantograph and catenary system could affect material properties of the friction pair, which accelerates the wear of system. In order to reduce the wear caused by temperature, transient temperature and distribution of copper/copper-carbon friction pair are studied. A simulation model is established by using COMSOL Multiphysics software. Model effectiveness is verified with temperature experiments. The transient process of temperature field is studied by simulation. The results show that the temperature rise of carbon plate has small cyclical peaks. The highest temperature appears on the contact region in the initial stage of running. Temperature gradient is larger in front of the direction of relative movement, and "high temperature trailing" phenomenon appears in the back. Temperature on contact region is slightly lower in middle and late stage of running. And temperature in front of the direction of relative movement is higher. Temperature rise of copper wire is gentle and overall low. The temperature gradient is smaller in the direction of running. These results will provide certain references to further study on the temperature characteristics of the friction pair.

Key words: transient temperature field, temperature gradient, high temperature trailing phenomenon, sliding electrical contact

中图分类号:

TM501

郭凤仪, 高洪鑫, 刘帅, 王智勇, 张凯, 王爱军. 载流滑动摩擦副温度场瞬态特性仿真研究[J]. 系统仿真学报, 2018, 30(5): 1715-1723.

Guo Fengyi, Gao Hongxin, Liu Shuai, Wang Zhiyong, Zhang Kai, Wang Aijun. Simulation of Transient Temperature Field of Current-carrying Sliding Friction Pair[J]. Journal of System Simulation, 2018, 30(5): 1715-1723.

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载流滑动摩擦副温度场瞬态特性仿真研究

Simulation of Transient Temperature Field of Current-carrying Sliding Friction Pair

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