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Sustainability 2016, 8(12), 1226; doi:10.3390/su8121226

Hydraulic Performance of an Innovative Breakwater for Overtopping Wave Energy Conversion

1
Department of Civil Engineering and Architecture, University of Catania, Via Santa Sofia 64, 95123 Catania, Italy
2
Dipartimento di Ingegneria Civile, Design, Edilizia e Ambiente, Seconda Università degli Studi di Napoli. Via Roma 29, 81031 Aversa (Caserta), Italy
3
CONISMA—National Inter-University Consortium of Marine Sciences, Piazzale Flaminio 9, 00196 Roma, Italy
*
Author to whom correspondence should be addressed.
Academic Editors: Mariano Buccino and Gregorio Iglesias Rodriguez
Received: 30 September 2016 / Revised: 19 November 2016 / Accepted: 20 November 2016 / Published: 25 November 2016
(This article belongs to the Special Issue Wave Energy Converters)
View Full-Text   |   Download PDF [4622 KB, uploaded 25 November 2016]   |  

Abstract

The Overtopping BReakwaterfor Energy Conversion (OBREC) is an overtopping wave energy converter, totally embedded in traditional rubble mound breakwaters. The device consists of a reinforced concrete front reservoir designed with the aim of capturing the wave overtopping in order to produce electricity. The energy is extracted through low head turbines, using the difference between the water levels in the reservoir and the sea water level. This paper analyzes the OBREC hydraulic performances based on physical 2D model tests carried out at Aalborg University (DK). The analysis of the results has led to an improvement in the overall knowledge of the device behavior, completing the main observations from the complementary tests campaign carried out in 2012 in the same wave flume. New prediction formula are presented for wave reflection, the overtopping rate inside the front reservoir and at the rear side of the structure. Such methods have been used to design the first OBREC prototype breakwater in operation since January 2016 at Naples Harbor (Italy). View Full-Text
Keywords: wave energy converters; rubble mound breakwater; wave overtopping; wave reflection wave energy converters; rubble mound breakwater; wave overtopping; wave reflection
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Iuppa, C.; Contestabile, P.; Cavallaro, L.; Foti, E.; Vicinanza, D. Hydraulic Performance of an Innovative Breakwater for Overtopping Wave Energy Conversion. Sustainability 2016, 8, 1226.

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