TRIBOLOGICAL ASPECTS OF WHEEL-RAIL CONTACT FOR THE METRO SYSTEM

被引：0
|
作者：
Tudor, A. [1 ]
Sandu, N. [2 ]
Tountas, I. [3 ]
机构：
[1] Univ Politehn Bucuresti, Bucharest 060042, Romania
[2] Romanian Author Rail Way, Bucharest, Romania
[3] ATTIKO METRO SA, Athens, Greece
来源：
JOURNAL OF THE BALKAN TRIBOLOGICAL ASSOCIATION | 2011年 / 17卷 / 04期
关键词：
creepage; friction power; wear; rail-wheel system; metro system; ADHESION; RAIL/WHEEL;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper analyses the longitudinal, lateral spin creepages, friction power for the wheel rail contact, yaw angle, velocity and angular velocity of the wheel. The theoretical model can compute the friction power on longitudinal and curved track. The rail wheel contact area can be of elliptic, circular or rectangular shape. Moreover, this paper describes an interesting dependence of wheel friction to speed, where with speeds of over 14 m/s (50 km/h) the power lost due the increased friction is significantly higher.
引用
收藏
页码：491 / 500
页数：10
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