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Wave energy farm design in real wave climates: the Italian offshore
Politecn Milan, Dept Elect Informat Sci & Bioengn, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy..
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Univ Bologna, Dept Civil Environm & Mat Engn, Viale Risorgimento 2, I-40136 Bologna, Italy..
Univ Plymouth, Coastal Ocean & Sediment Transport Res Grp, Marine Bldg, Plymouth PL4 8AA, Devon, England..
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2017 (English)In: Energy, ISSN 0360-5442, E-ISSN 1873-6785, Vol. 122, 378-389 p.Article in journal (Refereed) Published
Abstract [en]

The work focuses on hydrodynamic interactions between heaving wave energy converters (WEC). Wave parks of four devices are simulated in the time domain by a hydrodynamic-electromagnetic model, coupled with a boundary element code for the estimation of hydrodynamic parameters. Different layouts (linear, square and rhombus), WEC separation distances (5, 10, 20 and 30 buoy diameters) and incident wave directions (30 degrees apart) are considered to assess the effect of design parameters on array power production. Then, a site-specific design optimization is carried out for different Italian locations and some key insights on wave farm design in real wave climates are provided. The results show that the effect of wave interactions on energy absorption is not expected to be a main issue, as long as the devices are separated by at least 10 buoy diameters and that the layouts are oriented to achieve the maximum energy absorption for the prevailing wave direction.

Place, publisher, year, edition, pages
PERGAMON-ELSEVIER SCIENCE LTD , 2017. Vol. 122, 378-389 p.
Keyword [en]
Renewable energy, Wave energy, Arrays, Hydrodynamic interactions, Numerical modelling, Italy
National Category
Environmental Engineering
Identifiers
URN: urn:nbn:se:uu:diva-321986DOI: 10.1016/j.energy.2017.01.094ISI: 000399267100033OAI: oai:DiVA.org:uu-321986DiVA: diva2:1095655
Available from: 2017-05-15 Created: 2017-05-15 Last updated: 2017-05-15Bibliographically approved

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Citation style
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