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A study of the influence of rubber bushings on the audible frequency behaviour of a truck damper
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0002-1426-1936
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0001-5760-3919
2014 (English)In: International Journal of Heavy Vehicle Systems, ISSN 1744-232X, Vol. 21, no 4, 281-294 p.Article in journal (Refereed) Published
Abstract [en]

The audible frequency range behaviour of a truck damper element, connected to surrounding structures by means of rubber bushings, is investigated, applying a mixed measurement/modelling procedure. The damper element properties are retrieved through an experimental procedure, while the rubber bushings are modelled using a finite element formulation including a realistic fractional derivative visco-elastic rubber model. Focus is on the influence of the subpart properties on the overall dynamic behaviour. It is found that, in the audible frequency range studied, similar to 100-1000 Hz, an accurate model of the rubber bushings plays an important role, while the level of detail in the description of the dynamical behaviour of the damper element itself is less crucial, contributing mainly with its lumped mass; these results aid in the development of new, quiet vehicles.

Place, publisher, year, edition, pages
2014. Vol. 21, no 4, 281-294 p.
Keyword [en]
truck damper, vibration, rubber bushing, measurement, finite element, visco-elastic rubber, audible frequency
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-166368DOI: 10.1504/IJHVS.2014.068096ISI: 000352820800001Scopus ID: 2-s2.0-84996520568OAI: oai:DiVA.org:kth-166368DiVA: diva2:810587
Note

QC 20150507

Available from: 2015-05-07 Created: 2015-05-07 Last updated: 2015-05-07Bibliographically approved

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Jerrelind, JennyKari, Leif

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