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Fast Modeling of Large Wave Energy Farms Using Interaction Distance Cut-Off

Author

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  • Malin Göteman

    (Department of Engineering Sciences, Uppsala University, Box 534, Uppsala 751 21, Sweden)

  • Jens Engström

    (Department of Engineering Sciences, Uppsala University, Box 534, Uppsala 751 21, Sweden)

  • Mikael Eriksson

    (Department of Engineering Sciences, Uppsala University, Box 534, Uppsala 751 21, Sweden)

  • Jan Isberg

    (Department of Engineering Sciences, Uppsala University, Box 534, Uppsala 751 21, Sweden)

Abstract

In many wave energy concepts, power output in the MW range requires the simultaneous operation of many wave energy converters. In particular, this is true for small point-absorbers, where a wave energy farm may contain several hundred devices. The total performance of the farm is affected by the hydrodynamic interactions between the individual devices, and reliable tools that can model full farms are needed to study power output and find optimal design parameters. This paper presents a novel method to model the hydrodynamic interactions and power output of very large wave energy farms. The method is based on analytical multiple scattering theory and uses time series of irregular wave amplitudes to compute the instantaneous power of each device. An interaction distance cut-off is introduced to improve the computational cost with acceptable accuracy. As an application of the method, wave energy farms with over 100 devices are studied in the MW range using one month of wave data measured at an off-shore site.

Suggested Citation

  • Malin Göteman & Jens Engström & Mikael Eriksson & Jan Isberg, 2015. "Fast Modeling of Large Wave Energy Farms Using Interaction Distance Cut-Off," Energies, MDPI, vol. 8(12), pages 1-17, December.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:12:p:12394-13757:d:59964
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    References listed on IDEAS

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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. Babarit, A. & Hals, J. & Muliawan, M.J. & Kurniawan, A. & Moan, T. & Krokstad, J., 2012. "Numerical benchmarking study of a selection of wave energy converters," Renewable Energy, Elsevier, vol. 41(C), pages 44-63.
    3. Babarit, A., 2013. "On the park effect in arrays of oscillating wave energy converters," Renewable Energy, Elsevier, vol. 58(C), pages 68-78.
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    3. Erfan Amini & Danial Golbaz & Fereidoun Amini & Meysam Majidi Nezhad & Mehdi Neshat & Davide Astiaso Garcia, 2020. "A Parametric Study of Wave Energy Converter Layouts in Real Wave Models," Energies, MDPI, vol. 13(22), pages 1-23, November.
    4. Jennifer Leijon & Jonathan Sjölund & Boel Ekergård & Cecilia Boström & Sandra Eriksson & Irina Temiz & Mats Leijon, 2017. "Study of an Altered Magnetic Circuit of a Permanent Magnet Linear Generator for Wave Power," Energies, MDPI, vol. 11(1), pages 1-13, December.
    5. Zhong, Qian & Yeung, Ronald W., 2019. "Wave-body interactions among energy absorbers in a wave farm," Applied Energy, Elsevier, vol. 233, pages 1051-1064.
    6. Stavropoulou, Charitini & Goude, Anders & Katsidoniotaki, Eirini & Göteman, Malin, 2023. "Fast time-domain model for the preliminary design of a wave power farm," Renewable Energy, Elsevier, vol. 219(P2).
    7. Parwal, Arvind & Fregelius, Martin & Temiz, Irinia & Göteman, Malin & Oliveira, Janaina G. de & Boström, Cecilia & Leijon, Mats, 2018. "Energy management for a grid-connected wave energy park through a hybrid energy storage system," Applied Energy, Elsevier, vol. 231(C), pages 399-411.
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    9. Francisco Francisco & Jennifer Leijon & Cecilia Boström & Jens Engström & Jan Sundberg, 2018. "Wave Power as Solution for Off-Grid Water Desalination Systems: Resource Characterization for Kilifi-Kenya," Energies, MDPI, vol. 11(4), pages 1-14, April.

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