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Friction dampers, the positive side of friction
Department of Mechanical Engineering, Eindhoven University of Technology. (Dynamics and Control)ORCID iD: 0000-0002-3609-3005
Department of Mechanical Engineering, Eindhoven University of Technology.
2004 (English)In: Proceedings of the 2004 International Conference on Noise and Vibration Engineering, ISMA / [ed] P.Sas, M. De Munck, Leuven, Belgium, 2004, 589-601 p.Conference paper, Published paper (Other academic)
Abstract [en]

Friction is frequently seen as an unwanted phenomenon whose influence has to be either minimised or controlled. In this work one of the positive sides of friction is investigated: friction damping. Friction dampers can be a cheap and efficient way to reduce the vibration levels of a wide range of mechanical systems. Here the energy dissipated through friction is analysed for a type of friction dampers used to reduce squeal noise from railway wheels. Three different 1DOF systems of increasing complexity are analytically studied and simple non-dimensional expressions are derived for the optimal friction force and energy dissipation. In this way the influence of the mass, natural frequency and internal damping of the friction damper on the energy dissipation is established. It is shown that increasing the mass and reducing the natural frequency and internal damping of the friction damper maximises the dissipated energy.

Place, publisher, year, edition, pages
2004. 589-601 p.
National Category
Applied Mechanics
Identifiers
URN: urn:nbn:se:kth:diva-74588ISBN: 978-907380282-7 (print)OAI: oai:DiVA.org:kth-74588DiVA: diva2:489729
Conference
2004 International Conference on Noise and Vibration Engineering, ISMA; Leuven; 20 September 2004 through 22 September 2004
Note
QC 20120224Available from: 2012-02-03 Created: 2012-02-03 Last updated: 2012-02-24Bibliographically approved

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