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Controlling noise by wheel and track design

Controlling noise by wheel and track design
Controlling noise by wheel and track design
Rolling noise forms the main source of noise from railways. Effective control at source requires a good understanding of the mechanisms of generation. To this end, detailed theoretical models for rolling noise have been developed. Using these methods, it is possible to evaluate the rolling noise behaviour of different wheel and track designs, allowing new designs to be derived that are inherently quieter. In this paper, an overview is given of the mechanisms involved in noise generation and the parameters that have most influence are identified. Examples are then given of two techniques that have been developed using the model with the aim of reducing the noise at source. A tuned absorber system applied to the rail is found in field measurements to reduce the noise from the track by about 6 dB(A). The wheel component of noise can be reduced by an optimised wheel shape in combination with damping treatments.
0965-092X
97-102
Thompson, D.J.
bca37fd3-d692-4779-b663-5916b01edae5
Jones, C.J.C.
695ac86c-2915-420c-ac72-3a86f98d3301
Thompson, D.J.
bca37fd3-d692-4779-b663-5916b01edae5
Jones, C.J.C.
695ac86c-2915-420c-ac72-3a86f98d3301

Thompson, D.J. and Jones, C.J.C. (2002) Controlling noise by wheel and track design. Proceedings of the Institution of Civil Engineers - Transport, 153 (2), 97-102. (doi:10.1680/tran.153.2.97.38917).

Record type: Article

Abstract

Rolling noise forms the main source of noise from railways. Effective control at source requires a good understanding of the mechanisms of generation. To this end, detailed theoretical models for rolling noise have been developed. Using these methods, it is possible to evaluate the rolling noise behaviour of different wheel and track designs, allowing new designs to be derived that are inherently quieter. In this paper, an overview is given of the mechanisms involved in noise generation and the parameters that have most influence are identified. Examples are then given of two techniques that have been developed using the model with the aim of reducing the noise at source. A tuned absorber system applied to the rail is found in field measurements to reduce the noise from the track by about 6 dB(A). The wheel component of noise can be reduced by an optimised wheel shape in combination with damping treatments.

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More information

Published date: 2002

Identifiers

Local EPrints ID: 10064
URI: http://eprints.soton.ac.uk/id/eprint/10064
ISSN: 0965-092X
PURE UUID: 4e2bedcd-89df-4e18-9d10-526c09d1c6be
ORCID for D.J. Thompson: ORCID iD orcid.org/0000-0002-7964-5906

Catalogue record

Date deposited: 16 Feb 2005
Last modified: 20 Jul 2019 01:16

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