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An investigation into the influence of longitudinal creepage on railway squeal noise due to lateral creepage

An investigation into the influence of longitudinal creepage on railway squeal noise due to lateral creepage
An investigation into the influence of longitudinal creepage on railway squeal noise due to lateral creepage
Curve squeal noise is of growing concern for the railway industry as rail systems become more widespread in densely populated areas. In response to the pressure to minimise environmental pollution, there is a demand for a deeper understanding of the phenomenon and to develop a methodical approach to managing the wheel–rail system. Under curving, the wheel and the rail are subject to creep forces due to relative motion (creepage) within the contact region. In tight curves, these creep forces can cause unstable vibration of the wheel, leading to the radiation of squeal noise. The occurrence and characteristics of this are governed by the configuration of the creepages at the wheel–rail contact, which can have longitudinal, lateral and spin components. It follows that the representation of creepage is important in modelling the mechanisms of squeal noise behaviour. An investigation is presented into how the relationship between lateral creepage and creep force is affected when a component of longitudinal creepage is introduced. A 1:3 scale laboratory test rig has been modified to simulate contact conditions with controlled levels of lateral and longitudinal creepage, and to measure the salient system parameters. The experimental results are presented and discussed here.
0022-460X
766-776
Monk-Steel, A.D.
94aef241-0b9b-47aa-ac29-11ac296e68cf
Thompson, D.J.
bca37fd3-d692-4779-b663-5916b01edae5
De Beer, F.G.
3a49252e-d0f4-4de2-9c0a-c46bce0819f4
Janssens, M.H.A.
1b734064-6a9f-4591-95a8-84e354f033b0
Monk-Steel, A.D.
94aef241-0b9b-47aa-ac29-11ac296e68cf
Thompson, D.J.
bca37fd3-d692-4779-b663-5916b01edae5
De Beer, F.G.
3a49252e-d0f4-4de2-9c0a-c46bce0819f4
Janssens, M.H.A.
1b734064-6a9f-4591-95a8-84e354f033b0

Monk-Steel, A.D., Thompson, D.J., De Beer, F.G. and Janssens, M.H.A. (2006) An investigation into the influence of longitudinal creepage on railway squeal noise due to lateral creepage. Journal of Sound and Vibration, 293 (3-5), 766-776. (doi:10.1016/j.jsv.2005.12.004).

Record type: Article

Abstract

Curve squeal noise is of growing concern for the railway industry as rail systems become more widespread in densely populated areas. In response to the pressure to minimise environmental pollution, there is a demand for a deeper understanding of the phenomenon and to develop a methodical approach to managing the wheel–rail system. Under curving, the wheel and the rail are subject to creep forces due to relative motion (creepage) within the contact region. In tight curves, these creep forces can cause unstable vibration of the wheel, leading to the radiation of squeal noise. The occurrence and characteristics of this are governed by the configuration of the creepages at the wheel–rail contact, which can have longitudinal, lateral and spin components. It follows that the representation of creepage is important in modelling the mechanisms of squeal noise behaviour. An investigation is presented into how the relationship between lateral creepage and creep force is affected when a component of longitudinal creepage is introduced. A 1:3 scale laboratory test rig has been modified to simulate contact conditions with controlled levels of lateral and longitudinal creepage, and to measure the salient system parameters. The experimental results are presented and discussed here.

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More information

Published date: 2006
Additional Information: Proceedings of the Eigth International Workshop on Railway Noise

Identifiers

Local EPrints ID: 43428
URI: http://eprints.soton.ac.uk/id/eprint/43428
ISSN: 0022-460X
PURE UUID: de251ed4-bebf-4737-931f-5ce5214b4daa
ORCID for D.J. Thompson: ORCID iD orcid.org/0000-0002-7964-5906

Catalogue record

Date deposited: 24 Jan 2007
Last modified: 16 Mar 2024 02:54

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Contributors

Author: A.D. Monk-Steel
Author: D.J. Thompson ORCID iD
Author: F.G. De Beer
Author: M.H.A. Janssens

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