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The modular concept of the Oscillating Wave Surge Converter

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  • Sarkar, Dripta
  • Doherty, Kenneth
  • Dias, Frederic

Abstract

In this study, we discuss the hydrodynamics of the modular concept of a well known wave energy device - the Oscillating Wave Surge Converter. Such a concept has emerged to address some of the shortcomings in the original design of the device. A mathematical model is presented to analyze the effect of the interactions of the system. The analysis is performed with a modular system comprising of six identical modules of total combined width 24 m, reminiscent of the Oscillating Wave Surge Converter - Oyster800 developed by Aquamarine Power. Various design strategies are explored. It is shown that such a closely packed system of modules results in multiple resonances which can potentially be exploited to capture more power. It is also observed that the modules lying at the center of the system capture more energy than those lying at the edges. An optimization of power take-off system shows that at lower wave periods it is possible to capture the levels of power similar to those of an equivalent size rigid flap while at higher periods, the modular system has the potential to capture more energy due to the occurrence of multiple resonances.

Suggested Citation

  • Sarkar, Dripta & Doherty, Kenneth & Dias, Frederic, 2016. "The modular concept of the Oscillating Wave Surge Converter," Renewable Energy, Elsevier, vol. 85(C), pages 484-497.
    • Handle: RePEc:eee:renene:v:85:y:2016:i:c:p:484-497
    DOI: 10.1016/j.renene.2015.06.012
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    References listed on IDEAS

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    1. Renzi, E. & Abdolali, A. & Bellotti, G. & Dias, F., 2014. "Wave-power absorption from a finite array of oscillating wave surge converters," Renewable Energy, Elsevier, vol. 63(C), pages 55-68.
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    Cited by:

    1. Wei, Y. & Barradas-Berglind, J.J. & Yu, Z. & van Rooij, M. & Prins, W.A. & Jayawardhana, B. & Vakis, A.I., 2019. "Frequency-domain hydrodynamic modelling of dense and sparse arrays of wave energy converters," Renewable Energy, Elsevier, vol. 135(C), pages 775-788.
    2. Wang, Yize & Liu, Zhenqing, 2021. "Proposal of novel analytical wake model and GPU-accelerated array optimization method for oscillating wave surge energy converter," Renewable Energy, Elsevier, vol. 179(C), pages 563-583.
    3. Peng, Wei & Zhang, Yingnan & Zou, Qingping & Zhang, Jisheng & Li, Haoran, 2024. "Effect of varying PTO on a triple floater wave energy converter-breakwater hybrid system: An experimental study," Renewable Energy, Elsevier, vol. 224(C).
    4. Li, Qiaofeng & Mi, Jia & Li, Xiaofan & Chen, Shuo & Jiang, Boxi & Zuo, Lei, 2021. "A self-floating oscillating surge wave energy converter," Energy, Elsevier, vol. 230(C).
    5. Sarkar, Dripta & Contal, Emile & Vayatis, Nicolas & Dias, Frederic, 2016. "Prediction and optimization of wave energy converter arrays using a machine learning approach," Renewable Energy, Elsevier, vol. 97(C), pages 504-517.
    6. Chow, Yi-Chih & Chang, Yu-Chi & Chen, Da-Wei & Lin, Chen-Chou & Tzang, Shiaw-Yih, 2018. "Parametric design methodology for maximizing energy capture of a bottom-hinged flap-type WEC with medium wave resources," Renewable Energy, Elsevier, vol. 126(C), pages 605-616.
    7. Xiaohui Zeng & Qi Wang & Yuanshun Kang & Fajun Yu, 2022. "A Novel Type of Wave Energy Converter with Five Degrees of Freedom and Preliminary Investigations on Power-Generating Capacity," Energies, MDPI, vol. 15(9), pages 1-20, April.
    8. Calvário, M. & Gaspar, J.F. & Kamarlouei, M. & Hallak, T.S. & Guedes Soares, C., 2020. "Oil-hydraulic power take-off concept for an oscillating wave surge converter," Renewable Energy, Elsevier, vol. 159(C), pages 1297-1309.
    9. Gianmaria Giannini & Paulo Rosa-Santos & Victor Ramos & Francisco Taveira-Pinto, 2020. "On the Development of an Offshore Version of the CECO Wave Energy Converter," Energies, MDPI, vol. 13(5), pages 1-24, February.

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