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Arrays of Point-Absorbing Wave Energy Converters in Short-Crested Irregular Waves
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity. (Div. for Electricity)ORCID iD: 0000-0001-9213-6447
Mocean Energy, Edinburgh EH9 3BF, Midlothian, Scotland. (Mocean Energy, Edinburgh, UK)
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity. (Div. for Electricity)
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity. (Div. for Electricity)
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2018 (English)In: Energies, ISSN 1996-1073, E-ISSN 1996-1073, Vol. 11, no 4, article id 964Article in journal (Refereed) Published
Abstract [en]

For most wave energy technology concepts, large-scale electricity production and cost-efficiency require that the devices are installed together in parks. The hydrodynamical interactions between the devices will affect the total performance of the park, and the optimization of the park layout and other park design parameters is a topic of active research. Most studies have considered wave energy parks in long-crested, unidirectional waves. However, real ocean waves can be short-crested, with waves propagating simultaneously in several directions, and some studies have indicated that the wave energy park performance might change in short-crested waves. Here, theory for short-crested waves is integrated in an analytical multiple scattering method, and used to evaluate wave energy park performance in irregular, short-crested waves with different number of wave directions and directional spreading parameters. The results show that the energy absorption is comparable to the situation in long-crested waves, but that the power fluctuations are significantly lower.

Place, publisher, year, edition, pages
2018. Vol. 11, no 4, article id 964
National Category
Energy Systems Marine Engineering
Identifiers
URN: urn:nbn:se:uu:diva-349295DOI: 10.3390/en11040964ISI: 000434703400275OAI: oai:DiVA.org:uu-349295DiVA, id: diva2:1201220
Funder
Swedish Research Council, 2015-04657Swedish Energy Agency, 40421-1Available from: 2018-04-25 Created: 2018-04-25 Last updated: 2018-09-19Bibliographically approved

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Göteman, MalinGiassi, MariannaEngström, JensIsberg, Jan

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