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Tyre cavity noise: Porous materials as a countermeasure
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0001-7898-8643
2016 (English)In: Proceedings of the INTER-NOISE 2016 - 45th International Congress and Exposition on Noise Control Engineering: Towards a Quieter Future, German Acoustical Society (DEGA) , 2016, 2313-2318 p.Conference paper, Published paper (Refereed)
Abstract [en]

The first resonance of the tyre air cavity can significantly affect vehicle interior noise at frequencies around 200 Hz. The insertion of a sound absorbing liner inside a tyre is known to be an efficient countermeasure to this problem and tyre manufacturers are already producing tyres implementing this solution. The present work proposes a methodology for predicting the damping performance of a lined tyre by means of numerical models. The geometry of the tyre cavity and the lining, as well as the properties of the sound absorbing material are taken into account and predictions are made concerning the effect of specific combinations of volume and properties of the liner. For fixed material characteristics, the volume of the lining treatment strongly influences the attenuation of the cavity resonance. Moreover, the simulations performed suggest that for fixed volume and material properties, larger attenuation of the cavity resonance peak can be obtained by adopting a discontinuous layout.

Place, publisher, year, edition, pages
German Acoustical Society (DEGA) , 2016. 2313-2318 p.
Keyword [en]
Air cavity, Resonances, Sound absorbing material, Tyre, Acoustic noise measurement, Acoustic variables control, Acoustic wave absorption, Acoustic wave propagation, Automobile manufacture, Cavity resonators, Porous materials, Resonance, Tires, Damping performance, Material characteristics, Sound absorbing materials, Sound-absorbing liners, Tyre cavity noise, Vehicle interior noise, Acoustic noise
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-202170Scopus ID: 2-s2.0-84994589278OAI: oai:DiVA.org:kth-202170DiVA: diva2:1079186
Conference
45th International Congress and Exposition on Noise Control Engineering: Towards a Quieter Future, INTER-NOISE 2016, 21 August 2016 through 24 August 2016
Note

QC 20170307

Available from: 2017-03-07 Created: 2017-03-07 Last updated: 2017-06-29Bibliographically approved

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Åbom, Mats

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
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  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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