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Proceedings Paper

Identification of cavitation signatures using both optical and PZT acoustic sensors
Author(s): M. Vidakovic; I. Armakolas; T. Sun; J. Carlton; K. T. V. Grattan
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Paper Abstract

This paper presents the results obtained from monitoring a simulated material cavitation process using both a fibre Bragg grating (FBG)-based acoustic sensor system developed at City University London and a commercial PZT (Piezoelectric Transducer) acoustic sensor, with an aim to identify the cavitation signatures. In the experiment, a sample metal plate with its back surface being instrumented with both sensors is positioned very close to an excitation sonotrode with a standard frequency of 19.5kHz. The data obtained from both sensors are recorded and analyzed, showing a very good agreement.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963465 (28 September 2015); doi: 10.1117/12.2194614
Show Author Affiliations
M. Vidakovic, City Univ. London (United Kingdom)
I. Armakolas, City Univ. London (United Kingdom)
T. Sun, City Univ. London (United Kingdom)
J. Carlton, City Univ. London (United Kingdom)
K. T. V. Grattan, City Univ. London (United Kingdom)

Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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