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Hydrophone arrays assembled from PZT ceramic foams

Hydrophone arrays assembled from PZT ceramic foams
Hydrophone arrays assembled from PZT ceramic foams
A 3 × 3 hydrophone array for low frequency applications was constructed from reticulated PZT ceramic foams. The hydrophone array was tested for receiving sensitivity and compared with single element PZT-air and dense PZT hydrophones. The composite array showed a flat response in the 20 kHz–100 kHz frequency range while the single element hydrophone displayed broadening radial resonance around 50 kHz. The flat, broadband response indicates that the radial resonance is suppressed by both porous nature of the PZT-air composites and the array construction of the hydrophone. The sensitivity of the array hydrophone was –205 dB re 1 V Pa-1.
piezocomposites, porous structures, hydrophones, underwater acoustics
1058-4587
201-206
Kara, H.
48bd7208-2057-47dd-8b08-030ec37bcd96
Ramesh, R.
5dd010c6-709f-4837-a317-71a79dabeccf
Stevens, R.
b81a541d-f047-449b-9a0c-039275437cc5
Jayasundere, N.
ebdcdd45-39ce-4467-8918-8af6d3bd155b
Humphrey, V.
23c9bd0c-7870-428f-b0dd-5ff158d22590
Bowen, C.
2e49904a-b40f-4de7-b183-b07452b47ac7
Kara, H.
48bd7208-2057-47dd-8b08-030ec37bcd96
Ramesh, R.
5dd010c6-709f-4837-a317-71a79dabeccf
Stevens, R.
b81a541d-f047-449b-9a0c-039275437cc5
Jayasundere, N.
ebdcdd45-39ce-4467-8918-8af6d3bd155b
Humphrey, V.
23c9bd0c-7870-428f-b0dd-5ff158d22590
Bowen, C.
2e49904a-b40f-4de7-b183-b07452b47ac7

Kara, H., Ramesh, R., Stevens, R., Jayasundere, N., Humphrey, V. and Bowen, C. (2004) Hydrophone arrays assembled from PZT ceramic foams. Integrated Ferroelectrics, 63 (1), 201-206. (doi:10.1080/10584580490459512).

Record type: Article

Abstract

A 3 × 3 hydrophone array for low frequency applications was constructed from reticulated PZT ceramic foams. The hydrophone array was tested for receiving sensitivity and compared with single element PZT-air and dense PZT hydrophones. The composite array showed a flat response in the 20 kHz–100 kHz frequency range while the single element hydrophone displayed broadening radial resonance around 50 kHz. The flat, broadband response indicates that the radial resonance is suppressed by both porous nature of the PZT-air composites and the array construction of the hydrophone. The sensitivity of the array hydrophone was –205 dB re 1 V Pa-1.

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Published date: 2004
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Keywords: piezocomposites, porous structures, hydrophones, underwater acoustics

Identifiers

Local EPrints ID: 28184
URI: http://eprints.soton.ac.uk/id/eprint/28184
DOI: doi:10.1080/10584580490459512
ISSN: 1058-4587
PURE UUID: c902083e-8398-40f2-bf7d-b259d70872f3
ORCID for V. Humphrey: ORCID iD orcid.org/0000-0002-3580-5373

Catalogue record

Date deposited: 02 May 2006
Last modified: 16 Mar 2024 03:34

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Contributors

Author: H. Kara
Author: R. Ramesh
Author: R. Stevens
Author: N. Jayasundere
Author: V. Humphrey ORCID iD
Author: C. Bowen

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