But are the trains getting any quieter?
But are the trains getting any quieter?
To reduce railway noise effectively a good knowledge of the source mechanisms is first required. Wheel/rail interaction in particular results in a multiple source environment where wheels, rails and sleepers all play a role. This is a classic noise control problem where treatments will not be successful unless they take account of the relative importance of each source and apply appropriate measures for all the significant sources. Starting from theoretical research into source modelling, a number of practical techniques have been developed for reducing railway noise in the last 10-20 years, which will be discussed. While focussing on rolling noise, the related problems of curve squeal, bridge noise, aerodynamic noise and vehicle interior noise will also be mentioned. Finally it is recognised that the railway industry faces many pressures that make it reluctant to change, so the difficulties of practical implementation will be discussed.
Thompson, David
bca37fd3-d692-4779-b663-5916b01edae5
July 2007
Thompson, David
bca37fd3-d692-4779-b663-5916b01edae5
Thompson, David
(2007)
But are the trains getting any quieter?
14th International Congress on Sound and Vibration (ICSV14), Cairns, Australia.
08 - 11 Jul 2007.
20 pp
.
Record type:
Conference or Workshop Item
(Other)
Abstract
To reduce railway noise effectively a good knowledge of the source mechanisms is first required. Wheel/rail interaction in particular results in a multiple source environment where wheels, rails and sleepers all play a role. This is a classic noise control problem where treatments will not be successful unless they take account of the relative importance of each source and apply appropriate measures for all the significant sources. Starting from theoretical research into source modelling, a number of practical techniques have been developed for reducing railway noise in the last 10-20 years, which will be discussed. While focussing on rolling noise, the related problems of curve squeal, bridge noise, aerodynamic noise and vehicle interior noise will also be mentioned. Finally it is recognised that the railway industry faces many pressures that make it reluctant to change, so the difficulties of practical implementation will be discussed.
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Published date: July 2007
Venue - Dates:
14th International Congress on Sound and Vibration (ICSV14), Cairns, Australia, 2007-07-08 - 2007-07-11
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Local EPrints ID: 50455
URI: http://eprints.soton.ac.uk/id/eprint/50455
PURE UUID: bffec576-4b76-4cee-ab0d-10890ea61d26
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Date deposited: 27 Feb 2008
Last modified: 09 Jan 2022 02:51
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