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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/8882

Title: On the application of laser vibrometry to translational and rotational vibration measurements on rotating shafts
Authors: Rothberg, Steve
Bell, John R.
Keywords: Laser vibrometry
Vibration measurement
Rotating machinery
Issue Date: 2004
Publisher: © Elsevier Ltd.
Citation: ROTHBERG, S. and BELL, J.R., 2004. On the application of laser vibrometry to translational and rotational vibration measurements on rotating shafts. Measurement, 35 (2), pp. 201-210.
Abstract: Laser Doppler vibrometry is now a well established experimental technique and commercially available instruments are gaining in popularity. This paper sets out a comprehensive model of the velocity sensed by both a single laser beam and by a pair of parallel beams incident on a rotating shaft requiring three translational and three rotational co-ordinates to describe its vibratory motion fully. While the intention is to measure the six vibration components, the model reveals how it is instead only possible to measure six vibration “sets”, each inseparable combinations of more than one of the vibration components. Arrangements for isolation of each “set” are detailed and an essential post-processing technique to resolve translational and rotational vibration components is demonstrated in a measurement of crankshaft bending vibration.
Description: This article was published in the journal, Measurement [© Elsevier Ltd.] and the definitive version is available at: http://dx.doi.org/10.1016/j.measurement.2003.04.001
Version: Accepted for publication
DOI: 10.1016/j.measurement.2003.04.001
URI: https://dspace.lboro.ac.uk/2134/8882
Publisher Link: http://dx.doi.org/10.1016/j.measurement.2003.04.001
ISSN: 0263-2241
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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