Effect of liquid high positive friction (HPF) modifier on wheel-rail contact and rail corrugation

被引：40
|
作者：
Egana, JI
Vinolas, J
Gil-Negrete, N
机构：
[1] CEIT, Dept Appl Mech, San Sebastian 20018, Spain
[2] Univ Navarra, Tecnun, San Sebastian 20018, Spain
来源：
TRIBOLOGY INTERNATIONAL | 2005年 / 38卷 / 08期
关键词：
rail corrugation; friction control; wheel-rail contact; wear; friction modifier;
D O I：
10.1016/j.triboint.2004.11.006
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper presents an experimental study on the influence of HPF friction modifier on rail corrugation. The tests were carried out on a curve section of a commuter line, where corrugation appeared in the inner rail of the curves. The influence of HPF on wheel-rail contact forces has been studied based on acceleration measurements on the rail. These measurements were carried out with and without corrugation on the rail. Also, in order to compare the corrugation levels developed with and without the HPF, the evolution of corrugation was analyzed for this particular curve. The corrugation amplitudes and wavelengths were studied. It was found that the application of HPF substantially reduces the acceleration levels on the rail in vertical and lateral directions and delays the corrugation growth. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：769 / 774
页数：6
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