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Tyre air cavity influence on tyre-road noise
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
2005 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Road traffic noise is nowadays a major environmental pollutant. In the near future traffic noise will increase even further, especially due to the expected increase of heavy traffic. Noise radiated from tyres of the vehicles is a dominating source. The acoustic field inside the tyre has previously been modelled. The first acoustic mode for a standard stationary passenger car tyre is at 225 Hz. The tyre becomes stiffer at these tyre air cavity resonances and radiates comparatively high tonal noise to the exterior at this frequency range. In order to reduce this tonal noise at low frequencies a set of new modified wheels are developed implementing some sound absorbing material inside the tyre. Preliminary sound intensity measurements have been carried out on a static tyre. The influence of the tyre air cavity resonances on the radiated noise is reduced adding sound absorbing material inside the tyre.

Place, publisher, year, edition, pages
2005. 3192-3197 p.
Series
12th International Congress on Sound and Vibration 2005, ICSV 2005, Volume 4
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-148494Scopus ID: 2-s2.0-84881591957ISBN: 978-162748149-6 (print)OAI: oai:DiVA.org:kth-148494DiVA: diva2:749493
Conference
12th International Congress on Sound and Vibration 2005, ICSV 2005; Lisbon; Portugal; 11 July 2005 through 14 July 2005
Note

QC 20140924

Available from: 2014-09-24 Created: 2014-08-08 Last updated: 2016-12-21Bibliographically approved

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