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The underwater acoustic testing of modest sized panel materials using a multi-element array technique in a laboratory test vessel

The underwater acoustic testing of modest sized panel materials using a multi-element array technique in a laboratory test vessel
The underwater acoustic testing of modest sized panel materials using a multi-element array technique in a laboratory test vessel
The underwater acoustic properties of materials can be assessed in panel form via a simple single hydrophone measurement technique which is ideally conducted on large test panels in open water. Alternatively measurements may be conducted in a laboratory test vessel which is capable of simulating ocean conditions. However, physical limitations imposed by the constraints of the vessel, including a reduction in test panel dimensions, require modification of the traditional technique to allow measurements to be made down to low kilohertz frequencies. This can be achieved by, in addition to a directional source, the use of a directional receiver in the form of a planar multi-hydrophone array. The technique is described and illustrated with measurements of reflection loss and insertion loss between 1 kHz and 7 kHz performed on a test panel in a pressure vessel through changing hydrostatic pressure from ambient to 2.8 MPa. The efficacy of this technique is considered with simulated multi-hydrophone array measurements on a scaled panel in an open tank.
0001-4966
pp.3591
Martin, Michael J.
709ee5c6-0d6e-40e4-8692-c95d3be94ae0
Robinson, Stephen P.
ff096bc4-4e1f-44ec-ae1d-d671208d1ae7
Smith, John
8f980673-b037-4ae2-a9a2-84bf039beed0
Humphrey, Victor F.
23c9bd0c-7870-428f-b0dd-5ff158d22590
Martin, Michael J.
709ee5c6-0d6e-40e4-8692-c95d3be94ae0
Robinson, Stephen P.
ff096bc4-4e1f-44ec-ae1d-d671208d1ae7
Smith, John
8f980673-b037-4ae2-a9a2-84bf039beed0
Humphrey, Victor F.
23c9bd0c-7870-428f-b0dd-5ff158d22590

Martin, Michael J., Robinson, Stephen P., Smith, John and Humphrey, Victor F. (2008) The underwater acoustic testing of modest sized panel materials using a multi-element array technique in a laboratory test vessel. Journal of the Acoustical Society of America, 123 (5), pp.3591. (doi:10.1121/1.2934728).

Record type: Article

Abstract

The underwater acoustic properties of materials can be assessed in panel form via a simple single hydrophone measurement technique which is ideally conducted on large test panels in open water. Alternatively measurements may be conducted in a laboratory test vessel which is capable of simulating ocean conditions. However, physical limitations imposed by the constraints of the vessel, including a reduction in test panel dimensions, require modification of the traditional technique to allow measurements to be made down to low kilohertz frequencies. This can be achieved by, in addition to a directional source, the use of a directional receiver in the form of a planar multi-hydrophone array. The technique is described and illustrated with measurements of reflection loss and insertion loss between 1 kHz and 7 kHz performed on a test panel in a pressure vessel through changing hydrostatic pressure from ambient to 2.8 MPa. The efficacy of this technique is considered with simulated multi-hydrophone array measurements on a scaled panel in an open tank.

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More information

Published date: May 2008
Additional Information: Program abstract for Acoustics '08 (Paris).

Identifiers

Local EPrints ID: 65316
URI: https://eprints.soton.ac.uk/id/eprint/65316
ISSN: 0001-4966
PURE UUID: ef1e2b43-6495-4c6f-8534-e85910ef6eab
ORCID for Victor F. Humphrey: ORCID iD orcid.org/0000-0002-3580-5373

Catalogue record

Date deposited: 02 Mar 2009
Last modified: 14 Mar 2019 01:44

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Contributors

Author: Michael J. Martin
Author: Stephen P. Robinson
Author: John Smith

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