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The Influence of Pad Abutment on Brake Noise Generation

Fieldhouse, John D., Bryant, David and Talbot, Chris J. (2011) The Influence of Pad Abutment on Brake Noise Generation. In: SAE 2011 Noise and Vibration Conference and Exhibition Proceedings. SAE. ISBN 978-0-7680-6433-9

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Abstract

The paper overviews the modes of vibration of the principal component parts of a brake and their contribution to system instability during noise generation. It is shown that both in-plane and out-of-plane vibration are present and that both can be related to the vibration of the pad. It is further shown that the pad and its region often provide a solution or “fix” towards noise prevention and it is this area that forms the focus of this investigation. The collective evidence, proposals and associated theory are applied to real brake case studies when it is demonstrated that disc/pad interface “spragging” may be the source of brake noise. Measurements of the position of the dynamic centre of pressure (CoP) support the theoretical predictions that a leading CoP induces brake noise. Design proposals are suggested that may be applied early in the design phase as a means to reduce the propensity of a brake to generate noise.

Item Type: Book Chapter
Additional Information: DOI: 10.4271/2011-01-1577
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TJ Mechanical engineering and machinery
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Schools: School of Computing and Engineering
School of Computing and Engineering > Automotive Engineering Research Group
School of Computing and Engineering > Pedagogical Research Group
School of Computing and Engineering > High Performance Computing Research Group
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Depositing User: Cherry Edmunds
Date Deposited: 03 Jun 2011 11:04
Last Modified: 03 Jun 2011 11:04
URI: http://eprints.hud.ac.uk/id/eprint/10694

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