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A Novel Method for Estimating Wave Energy Converter Performance in Variable Bathymetry Regions and Applications

Author

Listed:
  • Kostas Belibassakis

    (School of Naval Architecture & Marine Engineering, National Technical University of Athens, 15780 Athens, Greece)

  • Markos Bonovas

    (School of Naval Architecture & Marine Engineering, National Technical University of Athens, 15780 Athens, Greece)

  • Eugen Rusu

    (Department of Mechanical Engineering, University Dunarea de Jos of Galati, 800008 Galati, Romania)

Abstract

A numerical model is presented for the estimation of Wave Energy Converter (WEC) performance in variable bathymetry regions, taking into account the interaction of the floating units with the bottom topography. The proposed method is based on a coupled-mode model for the propagation of the water waves over the general bottom topography, in combination with a Boundary Element Method for the treatment of the diffraction/radiation problems and the evaluation of the flow details on the local scale of the energy absorbers. An important feature of the present method is that it is free of mild bottom slope assumptions and restrictions and it is able to resolve the 3D wave field all over the water column, in variable bathymetry regions including the interactions of floating bodies of general shape. Numerical results are presented concerning the wave field and the power output of a single device in inhomogeneous environment, focusing on the effect of the shape of the floater. Extensions of the method to treat the WEC arrays in variable bathymetry regions are also presented and discussed.

Suggested Citation

  • Kostas Belibassakis & Markos Bonovas & Eugen Rusu, 2018. "A Novel Method for Estimating Wave Energy Converter Performance in Variable Bathymetry Regions and Applications," Energies, MDPI, vol. 11(8), pages 1-16, August.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:8:p:2092-:d:163280
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    Citations

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    Cited by:

    1. Oscar Barambones & Jose M. Gonzalez de Durana & Isidro Calvo, 2018. "Adaptive Sliding Mode Control for a Double Fed Induction Generator Used in an Oscillating Water Column System," Energies, MDPI, vol. 11(11), pages 1-27, October.
    2. Marco Negri & Stefano Malavasi, 2018. "Wave Energy Harnessing in Shallow Water through Oscillating Bodies," Energies, MDPI, vol. 11(10), pages 1-17, October.
    3. José Miguel Rodrigues, 2021. "A Procedure to Calculate First-Order Wave-Structure Interaction Loads in Wave Farms and Other Multi-Body Structures Subjected to Inhomogeneous Waves," Energies, MDPI, vol. 14(6), pages 1-21, March.
    4. Markos Bonovas & Kostas Belibassakis & Eugen Rusu, 2019. "Multi-DOF WEC Performance in Variable Bathymetry Regions Using a Hybrid 3D BEM and Optimization," Energies, MDPI, vol. 12(11), pages 1-18, June.
    5. Bonovas, Markos I. & Anagnostopoulos, Ioannis S., 2020. "Modelling of operation and optimum design of a wave power take-off system with energy storage," Renewable Energy, Elsevier, vol. 147(P1), pages 502-514.
    6. Liliana Rusu & Eugen Rusu, 2021. "Evaluation of the Worldwide Wave Energy Distribution Based on ERA5 Data and Altimeter Measurements," Energies, MDPI, vol. 14(2), pages 1-16, January.
    7. Rusu, Liliana, 2022. "The near future expected wave power in the coastal environment of the Iberian Peninsula," Renewable Energy, Elsevier, vol. 195(C), pages 657-669.
    8. Alexandros Magkouris & Kostas Belibassakis & Eugen Rusu, 2021. "Hydrodynamic Analysis of Twin-Hull Structures Supporting Floating PV Systems in Offshore and Coastal Regions," Energies, MDPI, vol. 14(18), pages 1-19, September.
    9. Kostas Belibassakis & Alexandros Magkouris & Eugen Rusu, 2020. "A BEM for the Hydrodynamic Analysis of Oscillating Water Column Systems in Variable Bathymetry," Energies, MDPI, vol. 13(13), pages 1-24, July.
    10. Dimitrios N. Konispoliatis & Spyridon A. Mavrakos, 2020. "Wave Power Absorption by Arrays of Wave Energy Converters in Front of a Vertical Breakwater: A Theoretical Study," Energies, MDPI, vol. 13(8), pages 1-25, April.
    11. Eugen Rusu & Vengatesan Venugopal, 2019. "Special Issue “Offshore Renewable Energy: Ocean Waves, Tides and Offshore Wind”," Energies, MDPI, vol. 12(1), pages 1-4, January.
    12. 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.
    13. Mohd Nasir Ayob & Valeria Castellucci & Johan Abrahamsson & Rafael Waters, 2019. "A Remotely Controlled Sea Level Compensation System for Wave Energy Converters," Energies, MDPI, vol. 12(10), pages 1-16, May.
    14. Cristian Napole & Oscar Barambones & Mohamed Derbeli & José Antonio Cortajarena & Isidro Calvo & Patxi Alkorta & Pablo Fernandez Bustamante, 2021. "Double Fed Induction Generator Control Design Based on a Fuzzy Logic Controller for an Oscillating Water Column System," Energies, MDPI, vol. 14(12), pages 1-19, June.

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