Experimental study on adhesion behavior of wheel/rail under dry and water conditions

被引：70
|
作者：
Wang, W. J. [1 ]
Shen, P. [1 ]
Song, J. H. [1 ]
Guo, J. [1 ]
Liu, Q. Y. [1 ]
Jin, X. S. [1 ]
机构：
[1] SW Jiaotong Univ, Tribol Res Inst, State Key Lab Tract Power, Chengdu 610031, Peoples R China
来源：
WEAR | 2011年 / 271卷 / 9-10期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Wheel/rail; Adhesion coefficient; Creep ratio; Speed; Axle load; WET CONDITIONS; FRICTION CONTROL; RAIL; INTERFACE; RAIL/WHEEL; CONTACT; SYSTEM; WEAR;
D O I：
10.1016/j.wear.2011.01.070
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The aim of this paper is to investigate the adhesion behavior of wheel/rail under dry and water conditions using a JD-1 wheel/rail simulation facility. The results indicate that a wheel/rail simulation facility has been developed and used to assess the effect of dry and water lubricant conditions on adhesion behavior of wheel/rail. The adhesion coefficient of wheel/rail rises rapidly with the increase of creep ratio and then has a slower and slight decrease up to 5% under dry condition. The water medium can significantly affect the adhesion behavior of wheel/rail. Water lubricant condition gives the lower values of adhesion coefficient with dry condition giving higher values. The increase of speed and attack angle would markedly decrease adhesion coefficient of wheel/rail under dry and water lubricant conditions. However, axle load has no obvious influence on adhesion coefficient of wheel/rail under water condition. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：2699 / 2705
页数：7
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