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A numerical-experimental study on the hydrodynamic performance of a U-OWC wave energy converter

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  • Carlo, Lilia
  • Iuppa, Claudio
  • Faraci, Carla

Abstract

The present work is aimed to the formulation of empirical relationships useful for the design of a U-OWC type marine energy conversion device, with particular reference to the calculation of the resonance index and hydrodynamic efficiency. The study was conducted using physical and numerical modelling. The experimental campaign was carried out within the flume at the Hydraulics Laboratory of the University of Messina. Tests were performed by forcing the model on a scale of 1:30 with the action of several regular waves and varying the geometry of the device. Furthermore, to extend the experimental dataset with more energetic waves and new geometrical characteristics, the physical model was also reproduced numerically using the CFD software OpenFOAM. The validation process of the numerical model showed that the turbulent LES model reproduced the behaviour of the device more effectively than the turbulent κ-ω SST model, particularly for the more energetic waves.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:renene:v:203:y:2023:i:c:p:89-101
    DOI: 10.1016/j.renene.2022.12.057
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    References listed on IDEAS

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    2. Mahdavi-Meymand, Amin & Sulisz, Wojciech, 2023. "Application of nested artificial neural network for the prediction of significant wave height," Renewable Energy, Elsevier, vol. 209(C), pages 157-168.

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