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Innovative tidal turbine with central deflector for the exploitation of river and sea currents in on-shore installations

Author

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  • Amelio, Mario
  • Barbarelli, Silvio
  • Florio, Gaetano
  • Scornaienchi, Nino Michele
  • Minniti, Giovanni
  • Cutrupi, Antonino
  • Sánchez-Blanco, Manuel

Abstract

The paper presents an innovative system for the collection of energy from river and tidal currents, designed with the objective of combining high performance, cost-efficiency and simplicity. The proposed system consists of a kinetic turbine able to be immersed inside water currents and kept in equilibrium by the action of a central deflector and a steel cable anchored to the shore. The size and the orientation of the deflector are defined according to the working conditions and desired equilibrium position. The paper also describes the design parameters of a demonstrative installation at Punta Pezzo (Villa San Giovanni, Italy), located in the Strait of Messina. In the selected site, nearby the coast, the peak current speed reaches 3m/s (6kn). The turbine and its components have been designed assuming that the machine will always work under maximum power coefficient conditions. This implies a variable rotational speed, so the use of an inverter becomes mandatory. Preliminary performance estimations show that the system can provide electrical power of about 470kW, with 43% efficiency when the system works under optimal conditions.

Suggested Citation

  • Amelio, Mario & Barbarelli, Silvio & Florio, Gaetano & Scornaienchi, Nino Michele & Minniti, Giovanni & Cutrupi, Antonino & Sánchez-Blanco, Manuel, 2012. "Innovative tidal turbine with central deflector for the exploitation of river and sea currents in on-shore installations," Applied Energy, Elsevier, vol. 97(C), pages 944-955.
    • Handle: RePEc:eee:appene:v:97:y:2012:i:c:p:944-955
    DOI: 10.1016/j.apenergy.2011.11.044
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    References listed on IDEAS

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    1. Xia, Junqiang & Falconer, Roger A. & Lin, Binliang, 2010. "Impact of different operating modes for a Severn Barrage on the tidal power and flood inundation in the Severn Estuary, UK," Applied Energy, Elsevier, vol. 87(7), pages 2374-2391, July.
    2. Khan, M.J. & Bhuyan, G. & Iqbal, M.T. & Quaicoe, J.E., 2009. "Hydrokinetic energy conversion systems and assessment of horizontal and vertical axis turbines for river and tidal applications: A technology status review," Applied Energy, Elsevier, vol. 86(10), pages 1823-1835, October.
    3. Gaden, David L.F. & Bibeau, Eric L., 2010. "A numerical investigation into the effect of diffusers on the performance of hydro kinetic turbines using a validated momentum source turbine model," Renewable Energy, Elsevier, vol. 35(6), pages 1152-1158.
    4. O Rourke, Fergal & Boyle, Fergal & Reynolds, Anthony, 2010. "Tidal energy update 2009," Applied Energy, Elsevier, vol. 87(2), pages 398-409, February.
    5. Bahaj, A.S. & Batten, W.M.J. & McCann, G., 2007. "Experimental verifications of numerical predictions for the hydrodynamic performance of horizontal axis marine current turbines," Renewable Energy, Elsevier, vol. 32(15), pages 2479-2490.
    6. Esteban, Miguel & Leary, David, 2012. "Current developments and future prospects of offshore wind and ocean energy," Applied Energy, Elsevier, vol. 90(1), pages 128-136.
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    Cited by:

    1. Lo Zupone, Giacomo & Amelio, Mario & Barbarelli, Silvio & Florio, Gaetano & Scornaienchi, Nino Michele & Cutrupi, Antonino, 2017. "Lcoe evaluation for a tidal kinetic self balancing turbine: Case study and comparison," Applied Energy, Elsevier, vol. 185(P2), pages 1292-1302.
    2. Barbarelli, S. & Florio, G. & Amelio, M. & Scornaienchi, N.M. & Cutrupi, A. & Lo Zupone, G., 2015. "Transients analysis of a tidal currents self-balancing kinetic turbine with floating stabilizer," Applied Energy, Elsevier, vol. 160(C), pages 715-727.
    3. Yang, Min-Hsiung & Huang, Guan-Ming & Yeh, Rong-Hua, 2016. "Performance investigation of an innovative vertical axis turbine consisting of deflectable blades," Applied Energy, Elsevier, vol. 179(C), pages 875-887.
    4. Barbarelli, Silvio & Florio, Gaetano & Lo Zupone, Giacomo & Scornaienchi, Nino Michele, 2018. "First techno-economic evaluation of array configuration of self-balancing tidal kinetic turbines," Renewable Energy, Elsevier, vol. 129(PA), pages 183-200.
    5. Calero Quesada, María Concepción & García Lafuente, Jesús & Sánchez Garrido, José Carlos & Sammartino, Simone & Delgado, Javier, 2014. "Energy of marine currents in the Strait of Gibraltar and its potential as a renewable energy resource," Renewable and Sustainable Energy Reviews, Elsevier, vol. 34(C), pages 98-109.
    6. Huang, Sy-Ruen & Chen, Hong-Tai & Chung, Chih-Hung & Chu, Chen-Yeon & Li, Gung-Ching & Wu, Chueh-Cheng, 2012. "Multivariable direct-drive linear generators for wave energy," Applied Energy, Elsevier, vol. 100(C), pages 112-117.
    7. Barbarelli, S. & Florio, G. & Amelio, M. & Scornaienchi, N.M. & Cutrupi, A. & Lo Zupone, G., 2014. "Design procedure of an innovative turbine with rotors rotating in opposite directions for the exploitation of the tidal currents," Energy, Elsevier, vol. 77(C), pages 254-264.

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