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Use of a rectangular liquid-filled bottom-mounted distensible device to harness nearshore wave power

Use of a rectangular liquid-filled bottom-mounted distensible device to harness nearshore wave power
Use of a rectangular liquid-filled bottom-mounted distensible device to harness nearshore wave power

The present work aims to find out the applicability of the bulge concept used in the Anaconda (Chaplin et al., 2011) on a possible seabed version. The tested model is a long rectangular duct covered with an elastic membrane and placed on the seabed, parallel to wave propagation. The tension in the membrane and its submergence can be varied by pressurising the system. Two configurations were tested: one with closed ends and one with a Power Take-Off system. Measurements were made of pressure in the duct, membrane displacement and capture width and are compared with a theoretical 1D model.

Distensibility, Power capture, Rubber membrane, Wave pressure amplification
652-658
Choplain, Nicolas
a58125fa-43a7-42a7-9010-66e5d6495d01
Chaplin, John R.
d5ed2ba9-df16-4a19-ab9d-32da7883309f
Choplain, Nicolas
a58125fa-43a7-42a7-9010-66e5d6495d01
Chaplin, John R.
d5ed2ba9-df16-4a19-ab9d-32da7883309f

Choplain, Nicolas and Chaplin, John R. (2012) Use of a rectangular liquid-filled bottom-mounted distensible device to harness nearshore wave power. In Proceedings of the 22nd (2012) International Offshore and Polar Engineering Conference. pp. 652-658 .

Record type: Conference or Workshop Item (Paper)

Abstract

The present work aims to find out the applicability of the bulge concept used in the Anaconda (Chaplin et al., 2011) on a possible seabed version. The tested model is a long rectangular duct covered with an elastic membrane and placed on the seabed, parallel to wave propagation. The tension in the membrane and its submergence can be varied by pressurising the system. Two configurations were tested: one with closed ends and one with a Power Take-Off system. Measurements were made of pressure in the duct, membrane displacement and capture width and are compared with a theoretical 1D model.

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More information

Published date: 2012
Venue - Dates: 22nd International Offshore and Polar Engineering Conference, ISOPE-2012, Rhodes, Greece, 2012-06-17 - 2012-06-22
Keywords: Distensibility, Power capture, Rubber membrane, Wave pressure amplification
Organisations: University of Southampton

Identifiers

Local EPrints ID: 410849
URI: https://eprints.soton.ac.uk/id/eprint/410849
PURE UUID: f6dec5c4-c90f-47b0-9704-3c98fb569f00

Catalogue record

Date deposited: 09 Jun 2017 09:45
Last modified: 13 Mar 2019 20:13

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Contributors

Author: Nicolas Choplain
Author: John R. Chaplin

University divisions

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