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Wave farm modelling of oscillating wave surge converters

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journal contribution
posted on 2015-03-26, 16:51 authored by Dripta Sarkar, Emiliano Renzi, F. Dias
A mathematical model is described to analyse the hydrodynamic behaviour of a wave energy farm consisting of oscillating wave surge converters in oblique waves. The method is a highly efficient semi-analytical approach based on the linear potential flow theory. Wave farms with a large number of such devices are studied for various configurations. For an inline configuration with normally incident waves, the occurrence of a near-resonant behaviour, already known for small arrays, is confirmed. A strong wave focusing effect is observed in special configurations comprising a large number of devices. The effects of the arrangement and of the distance of separation between the flaps are also studied extensively. In general, the flaps lying on the front of the wave farm are found to exhibit an enhanced performance behaviour in average, owing to the mutual interactions arising within the array. A random sea analysis shows that a slightly staggered arrangement can be an ideal layout for a wave farm of this device. The hydrodynamics of two flaps that oscillate back to back is also discussed.

Funding

The authors thank Science Foundation Ireland for the financial support to the research project (no. 10/IN.1/I2996) ‘High-end computational modelling for wave energy systems’.

History

School

  • Science

Department

  • Mathematical Sciences

Published in

PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES

Volume

470

Issue

2167

Pages

? - ? (22)

Citation

SARKAR, D., RENZI, E. and DIAS, F., 2014. Wave farm modelling of oscillating wave surge converters. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 470 (2167), pp. 1-22.

Publisher

Royal Society / © The Authors

Version

  • SMUR (Submitted Manuscript Under Review)

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

2014

Notes

This article was published in the journal,Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences [Royal Society / © The Authors]. The definitive version is available at: http://dx.doi.org/10.1098/rspa.2014.0118

ISSN

1364-5021

Language

  • en

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