Analysis of the Mechanism of Longitudinal Flutter of Single Wheel-Set and Related Influence

DOI

10.2991/icaiees-13.2013.2How to use a DOI?

Keywords

single wheel-set, longitudinal flutter, dynamic

Abstract

The purpose of the study is to analyse the mechanism of longitudinal flutter and related influence by establishing a simplified single wheel-set dynamic model of locomotive. The phenomenon of wheel-set longitudinal flutter is observed at specific speed, after analyse the flutter frequency, found it is nearly the same with wheel set natural vibration frequency, then we put forward a concept of flutter dangerous speed, and a close criterion to calculate the speed is offered. Then discuss the influence of the longitudinal flutter to longitudinal creepage and adhesion utilization coefficient. On this basis, study the impact to the force in wheel/rail contact area and relative sliding at the wheel/rail contact patch; found that the force of wheel/rail contact area was increased significantly; the wheel/rail contact patch relative sliding was quite large, the contact patch adhesion area no longer exists. So we should give more consideration to the vehicle longitudinal influence in the future study.

Copyright

© 2013, 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  - Wengwu Fang
AU  - Shihui Luo
AU  - Weihua Ma
AU  - Zhenjun Li
PY  - 2013/12
DA  - 2013/12
TI  - Analysis of the Mechanism of Longitudinal Flutter of Single Wheel-Set and Related Influence
BT  - Proceedings of the 2013 International Conference on Advanced Information Engineering and Education Science (ICAIEES 2013)
PB  - Atlantis Press
SP  - 4
EP  - 7
SN  - 1951-6851
UR  - https://doi.org/10.2991/icaiees-13.2013.2
DO  - 10.2991/icaiees-13.2013.2
ID  - Fang2013/12
ER  -