A Parametric Study of Wave Energy Converter Layouts in Real Wave Models

Erfan Amini, Danial Golbaz, Fereidoun Amini, Meysam Majidi Nezhad, Mehdi Neshat and Davide Astiaso Garcia
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Erfan Amini: Coastal and Offshore Structures Engineering Group, School of Civil Engineering, University of Tehran, Tehran 13145-1384, Iran
Danial Golbaz: Coastal and Offshore Structures Engineering Group, School of Civil Engineering, University of Tehran, Tehran 13145-1384, Iran
Fereidoun Amini: School of Civil Engineering, Iran University of Science and Technology, Tehran 13114-16864, Iran
Meysam Majidi Nezhad: Department of Astronautics, Electrical and Energy Engineering (DIAEE), Sapienza University of Rome, 00184 Rome, Italy
Mehdi Neshat: Optimization and Logistics Group, School of Computer Science, The University of Adelaide, Adelaide 5005, Australia
Davide Astiaso Garcia: Department of Planning, Design, and Technology of Architecture, Sapienza University of Rome, 00197 Rome, Italy

Energies, 2020, vol. 13, issue 22, 1-23

Abstract: Ocean wave energy is a broadly accessible renewable energy source; however, it is not fully developed. Further studies on wave energy converter (WEC) technologies are required in order to achieve more commercial developments. In this study, four CETO6 spherical WEC arrangements have been investigated, in which a fully submerged spherical converter is modelled. The numerical model is applied using linear potential theory, frequency-domain analysis, and irregular wave scenario. We investigate a parametric study of the distance influence between WECs and the effect of rotation regarding significant wave direction in each arrangement compared to the pre-defined layout. Moreover, we perform a numerical landscape analysis using a grid search technique to validate the best-found power output of the layout in real wave models of four locations on the southern Australian coast. The results specify the prominent role of the distance between WECs, along with the relative angle of the layout to dominant wave direction, in harnessing more power from the waves. Furthermore, it is observed that a rise in the number of WECs contributed to an increase in the optimum distance between converters. Consequently, the maximum exploited power from each buoy array has been found, indicating the optimum values of the distance between buoys in different real wave scenarios and the relative angle of the designed layout with respect to the dominant in-site wave direction.

Keywords: layout assessment; wave energy conversion; renewable energy; real wave model (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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