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A low-frequency anechoic lining for underwater use

A low-frequency anechoic lining for underwater use
A low-frequency anechoic lining for underwater use
A novel low-frequency anechoic lining for use underwater is investigated both theoretically and experimentally. Measurements are made in an impedance tube. The reflection coefficient of any lining material placed at the end of the tube can be found from the real part of the input mobility. The results are compared with theoretical predictions. The experimental results agree qualitatively with the theoretical predictions and any quantitative discrepancy is probably due to inaccuracies in manufacturing the anechoic lining itself, rather than in the measuring technique used or in the theoretical model.
0022-460X
183-197
Muggleton, J.M.
2298700d-8ec7-4241-828a-1a1c5c36ecb5
Pinnington, R.J.
6597d3ba-28f9-4377-932c-a09389d60b6a
Muggleton, J.M.
2298700d-8ec7-4241-828a-1a1c5c36ecb5
Pinnington, R.J.
6597d3ba-28f9-4377-932c-a09389d60b6a

Muggleton, J.M. and Pinnington, R.J. (1990) A low-frequency anechoic lining for underwater use. Journal of Sound and Vibration, 143 (2), 183-197. (doi:10.1016/0022-460X(90)90949-Z).

Record type: Article

Abstract

A novel low-frequency anechoic lining for use underwater is investigated both theoretically and experimentally. Measurements are made in an impedance tube. The reflection coefficient of any lining material placed at the end of the tube can be found from the real part of the input mobility. The results are compared with theoretical predictions. The experimental results agree qualitatively with the theoretical predictions and any quantitative discrepancy is probably due to inaccuracies in manufacturing the anechoic lining itself, rather than in the measuring technique used or in the theoretical model.

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More information

Published date: 8 December 1990

Identifiers

Local EPrints ID: 452117
URI: http://eprints.soton.ac.uk/id/eprint/452117
ISSN: 0022-460X
PURE UUID: 5dd4af8b-4b01-456b-b360-a458e5d59fd8

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Date deposited: 25 Nov 2021 16:30
Last modified: 12 Dec 2021 16:20

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Contributors

Author: J.M. Muggleton
Author: R.J. Pinnington

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