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Modelling Approaches of a Closed-Circuit OWC Wave Energy Converter

1
MaREI Centre, Beaufort building, University College Cork, Haubowline Road, P43C573 Ringaskiddy, Co. Cork, Ireland
2
WavEC—Offshore Renewables, Rua Dom Jerónimo Osório, no11, 1o, 1400-119 Lisboa, Portugal
3
CADFEM Ireland Limited, Unit G3, The Steelworks, Foley St, D01 YW42 Dublin, Ireland
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2019, 7(2), 23; https://doi.org/10.3390/jmse7020023
Received: 18 December 2018 / Revised: 11 January 2019 / Accepted: 16 January 2019 / Published: 22 January 2019
(This article belongs to the Special Issue Advances in Ocean Wave Energy Conversion)
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Abstract

The Tupperwave device is a wave energy converter based on the Oscillating Water Column (OWC) concept. Unlike conventional OWC devices, which are opened to the atmosphere, the Tupperwave device works in closed-circuit and uses non-return valves and accumulator chambers to create a smooth unidirectional flow across a unidirectional turbine. The EU-funded OceanEraNet project called Tupperwave was undertaken by a consortium of academic and industrial partners, aimed at designing and modelling the Tupperwave device. The device was numerically modelled using two different methods. It was also physically modelled at the laboratory scale. The various modelling methods are discussed and compared. An analysis of the dependence of the device efficiency on the valves and turbine aerodynamic damping is carried out, using both physical and numerical approaches. View Full-Text
Keywords: wave energy conversion; oscillating water column; closed-circuit; non-return valves; numerical modelling; physical modelling wave energy conversion; oscillating water column; closed-circuit; non-return valves; numerical modelling; physical modelling
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Benreguig, P.; Vicente, M.; Dunne, A.; Murphy, J. Modelling Approaches of a Closed-Circuit OWC Wave Energy Converter. J. Mar. Sci. Eng. 2019, 7, 23.

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