Experimental investigation of rubble mound breakwaters for wave energy conversion

C. Luppa, P. Contestabile, L. Cavallaro, E. Foti, Thomas Lykke Andersen, Diego Vicinanza

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

The paper describes recent laboratory investigation on the breakwater integrated device named “OBREC” (Overtopping BReakwater for Energy Conversion). This technology recently appeared on the wave energy converter scene as an executive outcome of improving composite seawalls by including overtopping type wave energy converters [1]. Two complementary experimental campaigns were carried out, in 2012 and in 2014. Several geometries and wave conditions were examined. Preliminary comparison of hydraulic behaviour has been summarized, focusing on reflection analysis and overtopping flow rate. Preliminary design formulae are presented to predict overtopping at the rear side of the structure and in to the front reservoir based on both datasets. Moreover, some important results have been presented on hydraulic behaviour of OBREC with saturated reservoir. Particularly attention is paid to wave-by-wave measurement of couples of hydraulic head-flow rate acting on a virtual turbine inlet. Finally, the influence of draft length on overtopping discharge has been identified.
Original languageEnglish
Title of host publicationProceedings of the 11th European Wave and Tidal Energy Conference
Number of pages7
PublisherTechnical Committee of the European Wave and Tidal Energy Conference
Publication dateSep 2015
Publication statusPublished - Sep 2015
EventEuropean Wave and Tidal Energy Conference - The LHEEA Laboratory at Ecole Centrale de Nantes, Nantes, France
Duration: 6 Sep 201511 Sep 2015
Conference number: 11

Conference

ConferenceEuropean Wave and Tidal Energy Conference
Number11
LocationThe LHEEA Laboratory at Ecole Centrale de Nantes
CountryFrance
CityNantes
Period06/09/201511/09/2015
SeriesEuropean Wave and Tidal Energy Conference Series
Number11

Bibliographical note

Proceedings published on usb for conference participants and will be published at EWTECs website http://www.ewtec.org/proceedings/.

Keywords

  • Wave Energy
  • Wave Energy Converters
  • Rubble mound breakwaters
  • Wave overtopping
  • Integrated device

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  • Cite this

    Luppa, C., Contestabile, P., Cavallaro, L., Foti, E., Andersen, T. L., & Vicinanza, D. (2015). Experimental investigation of rubble mound breakwaters for wave energy conversion. In Proceedings of the 11th European Wave and Tidal Energy Conference Technical Committee of the European Wave and Tidal Energy Conference. European Wave and Tidal Energy Conference Series, No. 11