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Energy extraction of wave energy converters embedded in a very large modularized floating platform

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  • Zhang, Haicheng
  • Xu, Daolin
  • Zhao, Huai
  • Xia, Shuyan
  • Wu, Yousheng

Abstract

An embedded wave energy converter installed in a super-scale modularized floating platform is proposed for wave-induced kinetic energy extraction. The platform consists of multiple blocks where on-top huge modular decks are flexibly supported by floating semi-submergible modules via elastic cushions. For the connection between adjacent blocks, neighboring decks are joined by rigid hinges and neighboring floating modules are connected by two piston-type devices that are embedded wave energy converters (WEC), designed by the linear hydraulic power take-off (PTO) mechanism. Based on linear wave theory and rigid module flexible connector (RMFC), the dynamic model for the modularized floating platform is developed by using a network modeling method. In numerical case studies, the wave energy extraction of a five-block platform is investigated and the design region for the key parameters of the WEC is recommended. In addition the effects of the WECs on the dynamic responses and the connector loads of the modularized platform are studied. These results can improve the understanding on the performance of the specific platform.

Suggested Citation

  • Zhang, Haicheng & Xu, Daolin & Zhao, Huai & Xia, Shuyan & Wu, Yousheng, 2018. "Energy extraction of wave energy converters embedded in a very large modularized floating platform," Energy, Elsevier, vol. 158(C), pages 317-329.
  • Handle: RePEc:eee:energy:v:158:y:2018:i:c:p:317-329
    DOI: 10.1016/j.energy.2018.06.031
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    References listed on IDEAS

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    Cited by:

    1. Sricharan, V.V.S. & Chandrasekaran, Srinivasan, 2021. "Time-domain analysis of a bean-shaped multi-body floating wave energy converter with a hydraulic power take-off using WEC-Sim," Energy, Elsevier, vol. 223(C).
    2. Cheng, Yong & Song, Fukai & Xi, Chen & Collu, Maurizio & Yuan, Zhiming & Incecik, Atilla, 2023. "Feasibility of integrating a very large floating structure with multiple wave energy converters combining oscillating water columns and oscillating flaps," Energy, Elsevier, vol. 274(C).
    3. Cheng, Yong & Xi, Chen & Dai, Saishuai & Ji, Chunyan & Collu, Maurizio & Li, Mingxin & Yuan, Zhiming & Incecik, Atilla, 2022. "Wave energy extraction and hydroelastic response reduction of modular floating breakwaters as array wave energy converters integrated into a very large floating structure," Applied Energy, Elsevier, vol. 306(PA).
    4. Pavlidou, Lamprini & Angelides, Demos C., 2022. "A novel two-objective optimization computational framework for a two-body heaving wave energy converter," Renewable Energy, Elsevier, vol. 191(C), pages 510-534.
    5. Yong Ma & Shan Ai & Lele Yang & Aiming Zhang & Sen Liu & Binghao Zhou, 2020. "Hydrodynamic Performance of a Pitching Float Wave Energy Converter," Energies, MDPI, vol. 13(7), pages 1-27, April.
    6. Shi, Qijia & Xu, Daolin & Zhang, Haicheng, 2021. "Performance analysis of a raft-type wave energy converter with a torsion bi-stable mechanism," Energy, Elsevier, vol. 227(C).
    7. Jinming Wu & Zhonghua Ni, 2020. "On the Design of an Integrated System for Wave Energy Conversion Purpose with the Reaction Mass on Board," Sustainability, MDPI, vol. 12(7), pages 1-16, April.

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