TY  - JOUR
PY  - 2013//
TI  - Analysis of wheel/rail adhesion under oil contamination with surface roughness
JO  - Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
A1  - Wu, Bing
A1  - Wen, Zefeng
A1  - Wang, Hengyu
A1  - Jin, Xuesong
SP  - 1306
EP  - 1315
VL  - 227
IS  - 11
N2  - The objective of this study is to investigate the adhesion characteristics of wheel/rail under oil contamination with consideration of surface roughness using a three-dimensional model of wheel/rail in rolling contact. A partial elastohydrodynamic lubrication theory is employed in the model. An under-relaxation revision on the film thickness is used to keep the simulation procedure stable. The dependence of the wheel/rail adhesion coefficient on train speed, surface roughness amplitude, parameter of roughness orientation and axle load is studied under oil contamination. Moreover, the numerical solutions of a two-dimensional model are compared with those of the three-dimensional model. In addition, a good agreement has been found between the numerical results and the experimental results obtained by a JD-1 wheel/rail simulation facility, which consists of a small wheel roller serving as locomotive or rolling stock wheel and a large wheel roller serving as rail.<p />  <p>Language: en</p>
LA  - en
SN  - 1350-6501
UR  - http://dx.doi.org/10.1177/1350650113491866
ID  - ref1
ER  -