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Layout optimization of heaving Wave Energy Converters linear arrays in front of a vertical wall

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  • Loukogeorgaki, Eva
  • Michailides, Constantine
  • Lavidas, George
  • Chatjigeorgiou, Ioannis K.

Abstract

The present paper focuses on the determination of optimum layouts for linear arrays of heaving Wave Energy Converters (WECs) in front of a vertical wall. Optimum layouts maximize the annual averaged absorbed energy at a given marine site and satisfy spatial constraints. For achieving this goal, we developed an efficient optimization numerical framework, where a genetic algorithm solver is appropriately coupled with a frequency-domain hydrodynamic model, while, furthermore, a numerical wave model is utilized to determine the local wave climate conditions at the site of interest. The context is applied for an array of five semi-immersed, oblate spheroidal heaving WECs deployed at five near-shore sites of mild wave environments in the Aegean Sea, Greece. For each site, different optimization cases are solved, facilitating the investigation of different aspects of the examined problem. The largest annual energy absorption ability is observed for optimum layouts, characterized by the placement of the array close to the wall and the formation of clusters of closely-positioned WECs near the wall edges. Compared to arrays employed at sites in south-eastern Aegean, optimally-arranged arrays at central Aegean locations showed reduced energy absorption ability due to milder local wave conditions and/or the existence of quite limited water depths.

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  • Loukogeorgaki, Eva & Michailides, Constantine & Lavidas, George & Chatjigeorgiou, Ioannis K., 2021. "Layout optimization of heaving Wave Energy Converters linear arrays in front of a vertical wall," Renewable Energy, Elsevier, vol. 179(C), pages 189-203.
    • Handle: RePEc:eee:renene:v:179:y:2021:i:c:p:189-203
    DOI: 10.1016/j.renene.2021.07.040
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    References listed on IDEAS

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    Cited by:

    1. Tournant, Paul & Perret, Gaële & Smaoui, Hassan & Sergent, Philippe & Marin, François, 2023. "Shape parameters optimisation of a quayside heaving rectangular wave energy converter," Applied Energy, Elsevier, vol. 343(C).
    2. Yang, Bo & Wu, Shaocong & Zhang, Hao & Liu, Bingqiang & Shu, Hongchun & Shan, Jieshan & Ren, Yaxing & Yao, Wei, 2022. "Wave energy converter array layout optimization: A critical and comprehensive overview," Renewable and Sustainable Energy Reviews, Elsevier, vol. 167(C).
    3. Shadmani, Alireza & Nikoo, Mohammad Reza & Gandomi, Amir H., 2024. "Adaptive systematic optimization of a multi-axis ocean wave energy converter," Renewable and Sustainable Energy Reviews, Elsevier, vol. 189(PB).
    4. Alexandros Magkouris & Markos Bonovas & Theodoros Gerostathis & Kostas Belibassakis, 2023. "A 3D BEM Model for the Hydrodynamic Analysis and Design of Heaving WEC Arrays Attached to a Breakwater," Sustainability, MDPI, vol. 15(17), pages 1-22, August.
    5. Foteinis, Spyros, 2022. "Wave energy converters in low energy seas: Current state and opportunities," Renewable and Sustainable Energy Reviews, Elsevier, vol. 162(C).

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