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Use of a reduced scale model for the study of wheel/rail interaction

Use of a reduced scale model for the study of wheel/rail interaction
Use of a reduced scale model for the study of wheel/rail interaction
The high frequency dynamic interaction of the wheels rolling on the track is a major contributor to the noise generated by railways. By making use of measurements on a reduced scale laboratory facility, it is possible to study the interaction in a more controllable and accessible way than is possible on an operational railway. A one-fifth scale facility is described along with measurement results. Particular problems of measuring at reduced scale are addressed. Particular attention is given to the influence of the contact patch filtering effects on the wheel and rail surface roughness, the wheel and track dynamics, and the decay of vibration along the length of the rail. Comparisons with the results from a simple prediction model show good agreement.
wheel/rail interaction, scale model, rolling noise, vibration
0954-4097
235-246
Armstrong, T.D.
d3c1feb7-d778-4959-bd6c-bcb3b99becab
Thompson, D.J.
bca37fd3-d692-4779-b663-5916b01edae5
Armstrong, T.D.
d3c1feb7-d778-4959-bd6c-bcb3b99becab
Thompson, D.J.
bca37fd3-d692-4779-b663-5916b01edae5

Armstrong, T.D. and Thompson, D.J. (2006) Use of a reduced scale model for the study of wheel/rail interaction. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 220 (3), 235-246. (doi:10.1243/09544097JRRT36).

Record type: Article

Abstract

The high frequency dynamic interaction of the wheels rolling on the track is a major contributor to the noise generated by railways. By making use of measurements on a reduced scale laboratory facility, it is possible to study the interaction in a more controllable and accessible way than is possible on an operational railway. A one-fifth scale facility is described along with measurement results. Particular problems of measuring at reduced scale are addressed. Particular attention is given to the influence of the contact patch filtering effects on the wheel and rail surface roughness, the wheel and track dynamics, and the decay of vibration along the length of the rail. Comparisons with the results from a simple prediction model show good agreement.

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More information

Published date: 2006
Keywords: wheel/rail interaction, scale model, rolling noise, vibration

Identifiers

Local EPrints ID: 43432
URI: https://eprints.soton.ac.uk/id/eprint/43432
ISSN: 0954-4097
PURE UUID: 9e25a1e3-a6a2-46a3-b3fd-b8f2aa36d8e3
ORCID for D.J. Thompson: ORCID iD orcid.org/0000-0002-7964-5906

Catalogue record

Date deposited: 24 Jan 2007
Last modified: 14 Mar 2019 01:51

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