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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 (Engelska)Ingår i: Proceedings of the 2004 International Conference on Noise and Vibration Engineering, ISMA / [ed] P.Sas, M. De Munck, Leuven, Belgium, 2004, s. 589-601Konferensbidrag, Publicerat paper (Övrigt vetenskapligt)
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.

Ort, förlag, år, upplaga, sidor
2004. s. 589-601
Nationell ämneskategori
Teknisk mekanik
Identifikatorer
URN: urn:nbn:se:kth:diva-74588ISBN: 978-907380282-7 (tryckt)OAI: oai:DiVA.org:kth-74588DiVA, id: diva2:489729
Konferens
2004 International Conference on Noise and Vibration Engineering, ISMA; Leuven; 20 September 2004 through 22 September 2004
Anmärkning
QC 20120224Tillgänglig från: 2012-02-03 Skapad: 2012-02-03 Senast uppdaterad: 2012-02-24Bibliografiskt granskad

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