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Study on power generation of single Point Absorber Wave Energy Converters (PA-WECs) and arrays of PA-WECs

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  • Murai, Motohiko
  • Li, Qiao
  • Funada, Junki

Abstract

The effects of humanity's carbon footprint deserve attention and remediation. The ocean can provide an abundant source of renewable energy instead of fossil fuels in the form of wave energy. However, wave energy collection needs to be comparable in terms of cost and efficiency to be considered a viable alternative. Point Absorber Wave Energy Converter (PA-WEC) is one method of capitalizing on the ocean's wave energy. Past research provides methods for optimizing control force parameters for single PA-WECs. This paper provides methods for optimizing control force parameters for arrays of PA-WECs; optimization considers factors such as radiation hydrodynamic interactions, diffraction hydrodynamic interactions, array arrangements, and wave incident angles. In section 2, we outline the steps to determining optimal control forces. In section 3, we present numerical simulations of PA-WECs and compared the results between single PA-WEC systems and arrayed PA-WEC systems.

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  • Murai, Motohiko & Li, Qiao & Funada, Junki, 2021. "Study on power generation of single Point Absorber Wave Energy Converters (PA-WECs) and arrays of PA-WECs," Renewable Energy, Elsevier, vol. 164(C), pages 1121-1132.
    • Handle: RePEc:eee:renene:v:164:y:2021:i:c:p:1121-1132
    DOI: 10.1016/j.renene.2020.08.124
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    1. Vasiliki Stratigaki & Peter Troch & Tim Stallard & David Forehand & Jens Peter Kofoed & Matt Folley & Michel Benoit & Aurélien Babarit & Jens Kirkegaard, 2014. "Wave Basin Experiments with Large Wave Energy Converter Arrays to Study Interactions between the Converters and Effects on Other Users in the Sea and the Coastal Area," Energies, MDPI, vol. 7(2), pages 1-34, February.
    2. Qiao Li & Motohiko Murai & Syu Kuwada, 2018. "A Study on Electrical Power for Multiple Linear Wave Energy Converter Considering the Interaction Effect," Energies, MDPI, vol. 11(11), pages 1-20, November.
    3. Shi, Hongda & Cao, Feifei & Liu, Zhen & Qu, Na, 2016. "Theoretical study on the power take-off estimation of heaving buoy wave energy converter," Renewable Energy, Elsevier, vol. 86(C), pages 441-448.
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    Cited by:

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    2. Andrej Savin & Dana Salar & Erik Hultman, 2021. "Low-RPM Torque Converter (LRTC)," Energies, MDPI, vol. 14(16), pages 1-11, August.
    3. Wang, Chen & Zhang, Yongliang & Deng, Zhengzhi, 2022. "A novel dual-chamber oscillating water column system with dual lip-wall pitching motions for wave energy conversion," Energy, Elsevier, vol. 246(C).
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    5. Wang, Yuhan & Wang, Dongxu & Dong, Sheng, 2022. "A theoretical model for an integrated wave energy extraction system consisting of a heaving buoy and a perforated wall," Renewable Energy, Elsevier, vol. 189(C), pages 1086-1101.
    6. Wang, Chen & Zhang, Yongliang, 2021. "Numerical investigation on the wave power extraction for a 3D dual-chamber oscillating water column system composed of two closely connected circular sub-units," Applied Energy, Elsevier, vol. 295(C).
    7. Han, Meng & Cao, Feifei & Shi, Hongda & Zhu, Kai & Dong, Xiaochen & Li, Demin, 2023. "Layout optimisation of the two-body heaving wave energy converter array," Renewable Energy, Elsevier, vol. 205(C), pages 410-431.

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