DISTRIBUTION OF GENERATED FRICTION HEAT AT WHEEL-RAIL CONTACT DURING WHEEL SLIPPING ACCELERATION

被引：2
|
作者：
Milosevic, Milos S. [1 ]
Banic, Milan S. [1 ]
Stamenkovic, Dusan S. [1 ]
Pavlovic, Vukasin D. [1 ]
Tomic, Misa M. [1 ]
Miltenovic, Aleksandar V. [1 ]
机构：
[1] Univ Nis, Fac Mech Engn, Nish, Serbia
来源：
THERMAL SCIENCE | 2016年 / 20卷
关键词：
friction heat generation; heat partition factors; wheel-rail contact; slipping acceleration; sliding; DRY CONTACTS; TEMPERATURES;
D O I：
10.2298/TSCI16S5561M
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper presents an innovative method for determining the distribution of the friction generated heat from the contact of a locomotive wheel and rail, as well as the heat partition factor, during wheel slipping of an accelerating locomotive. The new method combines the finite element analysis simulation and experimental determination of the temperature distribution in a downsized model of a wheel and rail. As a result of a virtual experiment by the finite element analysis, an empirical dependence between the temperature distribution and the heat partition factor was established. The determination of the dependence enabled finding of the exact value of the heat partition factor by the optimization procedure based on matching temperatures obtained by the virtual and real experiment.
引用
收藏
页码：S1561 / S1571
页数：11
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