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Theoretical analysis of ring damped railway wheels
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, MWL Structural and vibroacoustics.ORCID iD: 0000-0002-3609-3005
2000 (English)In: Shock and Vibration Digest, ISSN 05831024 (ISSN), Vol. 32, no 1Article in journal (Refereed) Published
Abstract [en]

Ring-dampers for railway wheels can be very effective in suppressing squeal noise. An effort is made to understand the mechanisms by which damping is provided. The main aspects of wheel/ring interaction are studied in a simple single-degree-of-freedom system. A model of the nonlinear forces acting at the wheel-ring interface is developed. The large computing time needed for the time domain (TD) analysis makes it impractical to use for the parametric analysis of the wheel/ring system. Therefore, an approximate TD model is developed.

Place, publisher, year, edition, pages
2000. Vol. 32, no 1
Keyword [en]
Acoustic variables control, Damping, Mathematical models, Railroads, Time domain analysis, Wheels, Railway wheels, Ring dampers, Single degree of freedom system, Squeal noise, Railroad cars
National Category
Fluid Mechanics and Acoustics Applied Mechanics
URN: urn:nbn:se:kth:diva-66765OAI: diva2:484590
Correspondence Address: Lopez, I. NR 20140805Available from: 2012-01-27 Created: 2012-01-27 Last updated: 2012-01-27Bibliographically approved

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