Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
An experimental study of interior vehicle roughness noise from disc brake systems
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.ORCID iD: 0000-0003-1855-5437
2013 (English)In: Applied Acoustics, ISSN 0003-682X, E-ISSN 1872-910X, Vol. 74, no 3, 396-406 p.Article in journal (Refereed) Published
Abstract [en]

An experimental study of the friction-induced noise generated by the disc brake system of a passenger car is presented. In particular, the brake noise usually referred to as wire brush or roughness noise is studied. This is, in terms of frequency spectral content a broadband phenomenon, resulting from the interaction of multiple asperities in the tribological contact. A new experimental method for measurements of disc brake roughness noise is proposed, and is used in a lab environment where the vehicle speed and the brake pressure are accurately controlled. The aim is to study the influence of vehicle speed and brake pressure on the roughness noise inside the vehicle. It is shown for the specific test case that the transmission from the source to the interior is a vibro-acoustic structure-borne phenomenon. Measurements show that there is a, as expected, strong correlation between increased interior noise and both increased vehicle speed and brake pressure.

Place, publisher, year, edition, pages
2013. Vol. 74, no 3, 396-406 p.
Keyword [en]
Acoustic emission, Disc brake, Surface topography, Wire brush, Roughness noise, Rubbing noise
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-117632DOI: 10.1016/j.apacoust.2012.07.011ISI: 000312975600011Scopus ID: 2-s2.0-84870027806OAI: oai:DiVA.org:kth-117632DiVA: diva2:602462
Funder
Vinnova
Note

QC 20130201

Available from: 2013-02-01 Created: 2013-02-01 Last updated: 2017-12-06Bibliographically approved
In thesis
1. A Vibro-Acoustic Study of Vehicle Suspension Systems: Experimental and Mathematical Component Approaches
Open this publication in new window or tab >>A Vibro-Acoustic Study of Vehicle Suspension Systems: Experimental and Mathematical Component Approaches
2013 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The objective of the present work is to study the vehicle suspension as a vibro-acoustic system of high complexity, consisting of many sub-systems with fundamentally different acoustical properties. In a parallel numerical and experimental modelling effort, important contributions to the understanding of its behaviour have been achieved. These findings are based on a balance between component investigations and global modelling of the complete system; they have been formulated for the transmission of both tyre-road excitation and friction-induced vibrations in the brake system.

Initially an experimental study was conducted on a full vehicle test rig studying the broadband interior brake noise problem of, here named, roughness noise. The purpose of the study was twofold: first, to determine if the transmission from the source to the interior of the vehicle was structure-borne; second, to study the complexity of the suspension as a vibro-acoustic system. Parameters a_ecting the vibro-acoustic source were varied to gain understanding of the source mechanisms. This experimental study laid the foundation of the first part of this thesis (paper A) and provided the directions for the second part, the development of a mathematical modelling approach (paper B and C). In these two papers, methods for analysing the complex vibro-acoustic transfer of structure-borne sound in a vehicle suspension system were developed. The last part was then focussed on the wheel rim influence on the vibro-acoustic behaviour (paper D) of the suspension system. As a whole, the work clearly demonstrates that it is possible to conduct component studies of subsystems in the vehicle suspension system; and from these component studies it is possible draw conclusions that very well may avoid severe degradations in the interior noise of future vehicle generations.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2013. x, 61 p.
Series
Trita-AVE, ISSN 1651-7660 ; 2013:17
Keyword
Acoustics, Vehicle suspension, Disc brake, Wheel rim Roughness noise, Interior tyre-road noise Component mode synthesis, Undeformed coupling interface
National Category
Applied Mechanics
Identifiers
urn:nbn:se:kth:diva-121575 (URN)978-91-7501-732-7 (ISBN)
Public defence
2013-05-22, F3, Lindstedtsvägen 26, KTH, Stockholm, 10:15 (English)
Opponent
Supervisors
Note

QC 20130503

Available from: 2013-05-03 Created: 2013-05-02 Last updated: 2013-05-03Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full textScopus

Authority records BETA

Göransson, Peter

Search in DiVA

By author/editor
Lindberg, EskilHörlin, Nils-ErikGöransson, Peter
By organisation
Marcus Wallenberg Laboratory MWL
In the same journal
Applied Acoustics
Fluid Mechanics and Acoustics

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 84 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf