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Relations for a periodic array of flap-type wave energy converters

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journal contribution
posted on 2015-03-26, 16:16 authored by Emiliano Renzi, F. Dias
This paper investigates the interaction of plane incident waves with a wave farm in the open ocean. The farm consists of a periodic array of large flap-type wave energy converters. A linear inviscid potential-flow model, already developed by the authors for a single flap in a channel, is considered. Asymptotic analysis of the wave field allows to obtain new expressions of the reflection, transmission and radiation coefficients of the system. It is shown that, unlike a line of heaving buoys, an array of flap-type converters is able to exploit resonance of the system transverse modes in order to attain high capture factor levels. Relations between the hydrodynamic coefficients are derived and applied for optimising the power output of the wave farm.

Funding

This work was funded by Science Foundation Ireland (SFI) under the research project “High-end computational modelling for wave energy systems”.

History

School

  • Science

Department

  • Mathematical Sciences

Published in

APPLIED OCEAN RESEARCH

Volume

39

Pages

31 - 39 (9)

Citation

RENZI, E. and DIAS, F., 2013. Relations for a periodic array of flap-type wave energy converters. Applied Ocean Research, 39, pp. 31 - 39.

Publisher

© Elsevier

Version

  • AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2013

Notes

NOTICE: this is the author’s version of a work that was accepted for publication in Applied Ocean Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Applied Ocean Research, vol 39, January 2013, DOI: 10.1016/j.apor.2012.09.002

ISSN

0141-1187

Language

  • en