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Mathematical Modeling of Oscillating Water Columns Wave-Structure Interaction in Ocean Energy Plants

Author

Listed:
  • Aitor J. Garrido
  • Erlantz Otaola
  • Izaskun Garrido
  • Jon Lekube
  • Francisco J. Maseda
  • Pedro Liria
  • Julien Mader

Abstract

Oscillating Water Column (OWC)-based power take-off systems are one of the potential solutions to the current energy problems arising from the use of nuclear fission and the consumption of fossil fuels. This kind of energy converter turns wave energy into electric power by means of three different stages: firstly wave energy is transformed into pneumatic energy in the OWC chamber, and then a turbine turns it into mechanical energy and finally the turbogenerator module attached to the turbine creates electric power from the rotational mechanical energy. To date, capture chambers have been the least studied part. In this context, this paper presents an analytical model describing the dynamic behavior of the capture chamber, encompassing the wave motion and its interaction with the OWC structure and turbogenerator module. The model is tested for the case of the Mutriku wave power plant by means of experimental results. For this purpose, representative case studies are selected from wave and pressure drop input-output data. The results show an excellent matching rate between the values predicted by the model and the experimental measured data with a small bounded error in all cases, so that the validity of the proposed model is proven.

Suggested Citation

  • Aitor J. Garrido & Erlantz Otaola & Izaskun Garrido & Jon Lekube & Francisco J. Maseda & Pedro Liria & Julien Mader, 2015. "Mathematical Modeling of Oscillating Water Columns Wave-Structure Interaction in Ocean Energy Plants," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-11, November.
    • Handle: RePEc:hin:jnlmpe:727982
    DOI: 10.1155/2015/727982
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    Cited by:

    1. Calheiros-Cabral, Tomás & Clemente, Daniel & Rosa-Santos, Paulo & Taveira-Pinto, Francisco & Ramos, Victor & Morais, Tiago & Cestaro, Henrique, 2020. "Evaluation of the annual electricity production of a hybrid breakwater-integrated wave energy converter," Energy, Elsevier, vol. 213(C).
    2. Carlo, Lilia & Iuppa, Claudio & Faraci, Carla, 2023. "A numerical-experimental study on the hydrodynamic performance of a U-OWC wave energy converter," Renewable Energy, Elsevier, vol. 203(C), pages 89-101.
    3. Berrio, Y. & Rivillas-Ospina, G. & Ruiz-Martínez, G. & Arango-Manrique, A. & Ricaurte, C. & Mendoza, E. & Silva, R. & Casas, D. & Bolívar, M. & Díaz, K., 2023. "Energy conversion and beach protection: Numerical assessment of a dual-purpose WEC farm," Renewable Energy, Elsevier, vol. 219(P2).

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