Wheel-Rail Contact Relationship Calculation of Worn LMA Tread

DOI

10.2991/icmce-14.2014.58How to use a DOI?

Keywords

Rigid Contact, Quasi-elastic Contact, Wheel-rail Contact, LMA Treads, Equivalent Conicity.

Abstract

Quasi-elastic contact method can be used to study the wheel-rail contact relationship of worn tread. In this paper, wheel-rail contact relationship of standard and worn LMA tread have been calculated under the condition of rigid contact and quasi-elastic contact. By comparing with rigid contact which produces sharp contact points with a large dispersion, quasi-elastic contact results in uniformly smooth contact points without jump, what’s more, it’s more content with the real wheel-rail contact conditions. And also quasi-elastic contact has a significant effect on the worn tread under different operation mileage. Wheel-rail contact point distribution under different mileage is calculated, and according to tread band, a new measurement of wheelset lateral displacement is developed, which provides a simple way to determine the wheel set lateral displacement only by observing and measuring the tread contact band under different operation mileage. The wheel-rail contact relationship calculation method has been used to the real worn wheel profile test process, where the theory analysis results agreed with the real experiment results well to some extent.

Copyright

© 2014, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Feng GAN
AU  - Huan-Yun DAI
AU  - Hao GAO
AU  - Mao-Ru CHI
PY  - 2014/12
DA  - 2014/12
TI  - Wheel-Rail Contact Relationship Calculation of Worn LMA Tread
BT  - Proceedings of the 2014 International Conference on Mechanics and Civil Engineering
PB  - Atlantis Press
SP  - 332
EP  - 340
SN  - 2352-5401
UR  - https://doi.org/10.2991/icmce-14.2014.58
DO  - 10.2991/icmce-14.2014.58
ID  - GAN2014/12
ER  -