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Analytical modelling of an U-Oscillating Water Column and performance in random waves

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  • Malara, Giovanni
  • Arena, Felice

Abstract

The oscillating water column (OWC) technology is recognized as one of the most effective solutions for exploiting sea wave energy in a scenario including hundreds of promising devices. In this context, the novel U-OWC device has been recently introduced as a further development of the OWC. This device differs from the conventional OWC as it utilizes a small vertical U-duct for connecting the air pocket to the open wave field. The objective of this paper is to propose a consistent representation of the wave field interacting with the U-OWC in the context of a linearized theory of water waves and, then, an analytical description of the U-OWC dynamics. Such a representation overcomes the drawbacks of the analytical models proposed, at the present time, in the open literature. Moreover, it allows including memory effects previously neglected.

Suggested Citation

  • Malara, Giovanni & Arena, Felice, 2013. "Analytical modelling of an U-Oscillating Water Column and performance in random waves," Renewable Energy, Elsevier, vol. 60(C), pages 116-126.
    • Handle: RePEc:eee:renene:v:60:y:2013:i:c:p:116-126
    DOI: 10.1016/j.renene.2013.04.016
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    References listed on IDEAS

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    1. Vicinanza, D. & Contestabile, P. & Ferrante, V., 2013. "Wave energy potential in the north-west of Sardinia (Italy)," Renewable Energy, Elsevier, vol. 50(C), pages 506-521.
    2. Josset, C. & Clément, A.H., 2007. "A time-domain numerical simulator for oscillating water column wave power plants," Renewable Energy, Elsevier, vol. 32(8), pages 1379-1402.
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    Cited by:

    1. Vyzikas, Thomas & Deshoulières, Samy & Barton, Matthew & Giroux, Olivier & Greaves, Deborah & Simmonds, Dave, 2017. "Experimental investigation of different geometries of fixed oscillating water column devices," Renewable Energy, Elsevier, vol. 104(C), pages 248-258.
    2. Cui, Lin & Zheng, Siming & Zhang, Yongliang & Miles, Jon & Iglesias, Gregorio, 2021. "Wave power extraction from a hybrid oscillating water column-oscillating buoy wave energy converter," Renewable and Sustainable Energy Reviews, Elsevier, vol. 135(C).
    3. Arena, Felice & Laface, Valentina & Malara, Giovanni & Romolo, Alessandra & Viviano, Antonino & Fiamma, Vincenzo & Sannino, Gianmaria & Carillo, Adriana, 2015. "Wave climate analysis for the design of wave energy harvesters in the Mediterranean Sea," Renewable Energy, Elsevier, vol. 77(C), pages 125-141.
    4. Trivedi, Kshma & Koley, Santanu, 2023. "Mathematical modeling of oscillating water column wave energy converter devices placed over an undulated seabed in a two-layer fluid system," Renewable Energy, Elsevier, vol. 216(C).
    5. Gomes, R.P.F. & Henriques, J.C.C. & Gato, L.M.C. & Falcão, A.F.O., 2020. "Time-domain simulation of a slack-moored floating oscillating water column and validation with physical model tests," Renewable Energy, Elsevier, vol. 149(C), pages 165-180.
    6. Moretti, Giacomo & Malara, Giovanni & Scialò, Andrea & Daniele, Luca & Romolo, Alessandra & Vertechy, Rocco & Fontana, Marco & Arena, Felice, 2020. "Modelling and field testing of a breakwater-integrated U-OWC wave energy converter with dielectric elastomer generator," Renewable Energy, Elsevier, vol. 146(C), pages 628-642.
    7. Malara, Giovanni & Arena, Felice, 2019. "Response of U-Oscillating Water Column arrays: semi-analytical approach and numerical results," Renewable Energy, Elsevier, vol. 138(C), pages 1152-1165.
    8. 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.
    9. Scandura, Pietro & Malara, Giovanni & Arena, Felice, 2021. "The inclusion of non-linearities in a mathematical model for U-Oscillating Water Column wave energy converters," Energy, Elsevier, vol. 218(C).
    10. Portillo, J.C.C. & Gato, L.M.C. & Henriques, J.C.C. & Falcão, A.F.O., 2023. "Implications of spring-like air compressibility effects in floating coaxial-duct OWCs: Experimental and numerical investigation," Renewable Energy, Elsevier, vol. 212(C), pages 478-491.
    11. Zhu, Guixun & Samuel, John & Zheng, Siming & Hughes, Jason & Simmonds, David & Greaves, Deborah, 2023. "Numerical investigation on the hydrodynamic performance of a 2D U-shaped Oscillating Water Column wave energy converter," Energy, Elsevier, vol. 274(C).
    12. Eva Loukogeorgaki & Dimitra G. Vagiona & Margarita Vasileiou, 2018. "Site Selection of Hybrid Offshore Wind and Wave Energy Systems in Greece Incorporating Environmental Impact Assessment," Energies, MDPI, vol. 11(8), pages 1-16, August.
    13. Zheng, Siming & Zhang, Yongliang & Iglesias, Gregorio, 2020. "Power capture performance of hybrid wave farms combining different wave energy conversion technologies: The H-factor," Energy, Elsevier, vol. 204(C).
    14. Naik, Nikita & Gayathri, R. & Behera, H. & Tsai, Chia-Cheng, 2023. "Wave power extraction by a dual OWC chambers over an undulated bottom," Renewable Energy, Elsevier, vol. 216(C).
    15. Strati, Federica Maria & Malara, Giovanni & Arena, Felice, 2016. "Performance optimization of a U-Oscillating-Water-Column wave energy harvester," Renewable Energy, Elsevier, vol. 99(C), pages 1019-1028.
    16. Malara, Giovanni & Romolo, Alessandra & Fiamma, Vincenzo & Arena, Felice, 2017. "On the modelling of water column oscillations in U-OWC energy harvesters," Renewable Energy, Elsevier, vol. 101(C), pages 964-972.
    17. Trivedi, Kshma & Koley, Santanu, 2021. "Mathematical modeling of breakwater-integrated oscillating water column wave energy converter devices under irregular incident waves," Renewable Energy, Elsevier, vol. 178(C), pages 403-419.
    18. Anthony Roy & François Auger & Florian Dupriez-Robin & Salvy Bourguet & Quoc Tuan Tran, 2018. "Electrical Power Supply of Remote Maritime Areas: A Review of Hybrid Systems Based on Marine Renewable Energies," Energies, MDPI, vol. 11(7), pages 1-27, July.
    19. Trivedi, Kshma & Koley, Santanu, 2023. "Performance of a hybrid wave energy converter device consisting of a piezoelectric plate and oscillating water column device placed over an undulated seabed," Applied Energy, Elsevier, vol. 333(C).
    20. Medina Rodríguez, Ayrton Alfonso & Trivedi, Kshma & Koley, Santanu & Oderiz Martinez, Itxaso & Mendoza, Edgar & Posada Vanegas, Gregorio & Silva, Rodolfo, 2023. "Improved hydrodynamic performance of an OWC device based on a Helmholtz resonator," Energy, Elsevier, vol. 273(C).

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