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28 September 2015 Identification of cavitation signatures using both optical and PZT acoustic sensors
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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963465 (2015) https://doi.org/10.1117/12.2194614
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil
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.
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M. Vidakovic, I. Armakolas, T. Sun, J. Carlton, and K. T. V. Grattan "Identification of cavitation signatures using both optical and PZT acoustic sensors", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963465 (28 September 2015); https://doi.org/10.1117/12.2194614
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