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Studies into the detection of buried objects (particularly optical fibres) in saturated sediment. Part 3: experimental investigation of acoustic penetration of saturated sediment

Studies into the detection of buried objects (particularly optical fibres) in saturated sediment. Part 3: experimental investigation of acoustic penetration of saturated sediment
Studies into the detection of buried objects (particularly optical fibres) in saturated sediment. Part 3: experimental investigation of acoustic penetration of saturated sediment
This report is the third in a series of five, designed to investigate the detection of
targets buried in saturated sediment, primarily through acoustical or acoustics-related
methods. Although steel targets are included for comparison, the major interest is in
targets (polyethylene cylinders and optical fibres) which have a poor acoustic
impedance mismatch with the host sediment. This particular report provides a brief
historical overview of sediment propagation models has been presented. Two theories
have been covered: the Biot-Stoll theory; and wave scattering from random rough
surfaces. The debate surrounding the observations of, so-called, anomalous acoustic
penetration has also been discussed.
This series of reports is written in support of the article “The detection by sonar of
difficult targets (including centimetre-scale plastic objects and optical fibres) buried
in saturated sediment” by T G Leighton and R C P Evans, written for a Special Issue
of Applied Acoustics which contains articles on the topic of the detection of objects
buried in marine sediment. Further support material can be found at
http://www.isvr.soton.ac.uk/FDAG/uaua/target_in_sand.HTM.
311
University of Southampton
Evans, R.C.P.
1673d1bb-5b55-484d-9c95-4eae04d0cdfb
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae
Evans, R.C.P.
1673d1bb-5b55-484d-9c95-4eae04d0cdfb
Leighton, T.G.
3e5262ce-1d7d-42eb-b013-fcc5c286bbae

Evans, R.C.P. and Leighton, T.G. (2007) Studies into the detection of buried objects (particularly optical fibres) in saturated sediment. Part 3: experimental investigation of acoustic penetration of saturated sediment (ISVR Technical Report, 311) Southampton, UK. University of Southampton 45pp.

Record type: Monograph (Project Report)

Abstract

This report is the third in a series of five, designed to investigate the detection of
targets buried in saturated sediment, primarily through acoustical or acoustics-related
methods. Although steel targets are included for comparison, the major interest is in
targets (polyethylene cylinders and optical fibres) which have a poor acoustic
impedance mismatch with the host sediment. This particular report provides a brief
historical overview of sediment propagation models has been presented. Two theories
have been covered: the Biot-Stoll theory; and wave scattering from random rough
surfaces. The debate surrounding the observations of, so-called, anomalous acoustic
penetration has also been discussed.
This series of reports is written in support of the article “The detection by sonar of
difficult targets (including centimetre-scale plastic objects and optical fibres) buried
in saturated sediment” by T G Leighton and R C P Evans, written for a Special Issue
of Applied Acoustics which contains articles on the topic of the detection of objects
buried in marine sediment. Further support material can be found at
http://www.isvr.soton.ac.uk/FDAG/uaua/target_in_sand.HTM.

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Published date: April 2007

Identifiers

Local EPrints ID: 46560
URI: https://eprints.soton.ac.uk/id/eprint/46560
PURE UUID: 5dc4fee9-d543-4ccc-b317-d82ed21b13a4
ORCID for T.G. Leighton: ORCID iD orcid.org/0000-0002-1649-8750

Catalogue record

Date deposited: 12 Jul 2007
Last modified: 14 Mar 2019 01:53

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Contributors

Author: R.C.P. Evans
Author: T.G. Leighton ORCID iD

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