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Wave energy farm design in real wave climates: the Italian offshore

Author

Listed:
  • Bozzi, Silvia
  • Giassi, Marianna
  • Moreno Miquel, Adrià
  • Antonini, Alessandro
  • Bizzozero, Federica
  • Gruosso, Giambattista
  • Archetti, Renata
  • Passoni, Giuseppe

Abstract

The work focuses on hydrodynamic interactions between heaving wave energy converters (WEC). Wave parks of four devices are simulated in the time domain by a hydrodynamic-electromagnetic model, coupled with a boundary element code for the estimation of hydrodynamic parameters. Different layouts (linear, square and rhombus), WEC separation distances (5, 10, 20 and 30 buoy diameters) and incident wave directions (30° apart) are considered to assess the effect of design parameters on array power production. Then, a site-specific design optimization is carried out for different Italian locations and some key insights on wave farm design in real wave climates are provided. The results show that the effect of wave interactions on energy absorption is not expected to be a main issue, as long as the devices are separated by at least 10 buoy diameters and that the layouts are oriented to achieve the maximum energy absorption for the prevailing wave direction.

Suggested Citation

  • Bozzi, Silvia & Giassi, Marianna & Moreno Miquel, Adrià & Antonini, Alessandro & Bizzozero, Federica & Gruosso, Giambattista & Archetti, Renata & Passoni, Giuseppe, 2017. "Wave energy farm design in real wave climates: the Italian offshore," Energy, Elsevier, vol. 122(C), pages 378-389.
    • Handle: RePEc:eee:energy:v:122:y:2017:i:c:p:378-389
    DOI: 10.1016/j.energy.2017.01.094
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    References listed on IDEAS

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    1. Palha, Artur & Mendes, Lourenço & Fortes, Conceição Juana & Brito-Melo, Ana & Sarmento, António, 2010. "The impact of wave energy farms in the shoreline wave climate: Portuguese pilot zone case study using Pelamis energy wave devices," Renewable Energy, Elsevier, vol. 35(1), pages 62-77.
    2. Bozzi, Silvia & Archetti, Renata & Passoni, Giuseppe, 2014. "Wave electricity production in Italian offshore: A preliminary investigation," Renewable Energy, Elsevier, vol. 62(C), pages 407-416.
    3. 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.
    4. Lejerskog, Erik & Boström, Cecilia & Hai, Ling & Waters, Rafael & Leijon, Mats, 2015. "Experimental results on power absorption from a wave energy converter at the Lysekil wave energy research site," Renewable Energy, Elsevier, vol. 77(C), pages 9-14.
    5. Babarit, A., 2013. "On the park effect in arrays of oscillating wave energy converters," Renewable Energy, Elsevier, vol. 58(C), pages 68-78.
    6. Silvia Bozzi & Adrià Moreno Miquel & Alessandro Antonini & Giuseppe Passoni & Renata Archetti, 2013. "Modeling of a Point Absorber for Energy Conversion in Italian Seas," Energies, MDPI, vol. 6(6), pages 1-19, June.
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