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Proceedings Paper

Optical Measurement Methods Of Disk Brake Noise Generation
Author(s): W. F. Fagan; H. Abendroth
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Paper Abstract

A description is given of how the technique of image derotation is applied to the study of low frequency noise generation of disk brakes. Infra-red imaging is combined with derotation to show the heat emission distribution on the rotor surface during a braking cycle. A series of regularly spaced hot spots are observed on the rotor's surface only when juddering-type, low frequency vibrations are present. This relationship will be discussed and future areas of research will be outlined including the use of laser doppler velocimetry and Electronic Speckle Pattern Interferometry (ESPI)/T.V. Holography techniques to study this phenomena.

Paper Details

Date Published: 16 July 1986
PDF: 9 pages
Proc. SPIE 0599, Optics in Engineering Measurement, (16 July 1986); doi: 10.1117/12.952413
Show Author Affiliations
W. F. Fagan, Jurid Werke GmbH (West Germany)
H. Abendroth, Jurid Werke GmbH (West Germany)

Published in SPIE Proceedings Vol. 0599:
Optics in Engineering Measurement
William F. Fagan, Editor(s)

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