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

被引：80

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：

中国国家自然科学基金; 中国博士后科学基金;

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

页码：2699 / 2705

页数：7

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