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Proceedings Paper

Valve motion measurements on motorbike cylinder heads using high-speed laser vibrometer
Author(s): Andrea Carlini; Allessandro Rivola; Giorgio Dalpiaz; Alberto Maggiore
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Paper Abstract

This work deals with valve motion measurements on cylinder heads of Ducati racing motorbikes, by means of high speed laser Doppler vibrometer. The experimental apparatus is described and some measurement results are presented. The results confirm that the effects of the dynamic phenomena are very important, especially at high speeds, and that the dynamic response gets worse with the increment of backlashes in the cam kinematic pairs. In addition, the measurements make it possible to analyse the valve bumping phenomena. The information retrieved from measurements provides insight into the cam system dynamics and helps the development of elastodynamic predictive models.

Paper Details

Date Published: 22 May 2002
PDF: 11 pages
Proc. SPIE 4827, Fifth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 May 2002); doi: 10.1117/12.468175
Show Author Affiliations
Andrea Carlini, Univ. degli Studi di Bologna (Italy)
Allessandro Rivola, Univ. degli Studi di Bologna (Italy)
Giorgio Dalpiaz, Univ. degli Studi di Ferrara (Italy)
Alberto Maggiore, Univ. degli Studi di Bologna (Italy)


Published in SPIE Proceedings Vol. 4827:
Fifth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications
Enrico Primo Tomasini, Editor(s)

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