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A twin unidirectional impulse turbine topology for OWC based wave energy plants

Author

Listed:
  • Jayashankar, V.
  • Anand, S.
  • Geetha, T.
  • Santhakumar, S.
  • Jagadeesh Kumar, V.
  • Ravindran, M.
  • Setoguchi, T.
  • Takao, M.
  • Toyota, K.
  • Nagata, S.

Abstract

Experimental results from near shore bottom standing OWC based wave energy plants in Japan and India have now been available for about a decade. Historically the weakest link in the conversion efficiency of OWC based wave energy plants built so far has been the bidirectional turbine. This is possibly because a single turbine has been required to deliver power when the plant is exposed to random incident wave excitation varying by a factor of 10. A new topology that uses twin unidirectional turbines (which features a high efficiency spanning a broad range) is proposed. Using the Indian Wave Energy plant as a case study, it is shown that the power output from such a module considerably exceeds existing optimal configurations including those based on a fixed guide vane impulse turbine, linked guide vane impulse turbine or a Well's turbine. A wave to wire efficiency of the order of 50% over the incident range is shown to be feasible in a credible manner by showing the output at all stages of the conversion process. A frequency domain technique is used to compute the OWC efficiency and a time domain approach used for the power module with the turbine pressure being the pivotal variable.

Suggested Citation

  • Jayashankar, V. & Anand, S. & Geetha, T. & Santhakumar, S. & Jagadeesh Kumar, V. & Ravindran, M. & Setoguchi, T. & Takao, M. & Toyota, K. & Nagata, S., 2009. "A twin unidirectional impulse turbine topology for OWC based wave energy plants," Renewable Energy, Elsevier, vol. 34(3), pages 692-698.
    • Handle: RePEc:eee:renene:v:34:y:2009:i:3:p:692-698
    DOI: 10.1016/j.renene.2008.05.028
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    References listed on IDEAS

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    3. Dizadji, Nader & Sajadian, Seyed Ehsan, 2011. "Modeling and optimization of the chamber of OWC system," Energy, Elsevier, vol. 36(5), pages 2360-2366.
    4. Falcão, A.F.O. & Gato, L.M.C. & Nunes, E.P.A.S., 2013. "A novel radial self-rectifying air turbine for use in wave energy converters," Renewable Energy, Elsevier, vol. 50(C), pages 289-298.
    5. Guo, Peng & Zhang, Yongliang & Chen, Wenchuang, 2023. "Numerical analysis on a self-rectifying impulse turbine with U-shaped duct for oscillating water column wave energy conversion," Energy, Elsevier, vol. 274(C).
    6. Falcão, António F.O. & Henriques, João C.C., 2016. "Oscillating-water-column wave energy converters and air turbines: A review," Renewable Energy, Elsevier, vol. 85(C), pages 1391-1424.
    7. Zaher Mundher Yaseen & Ameen Mohammed Salih Ameen & Mohammed Suleman Aldlemy & Mumtaz Ali & Haitham Abdulmohsin Afan & Senlin Zhu & Ahmed Mohammed Sami Al-Janabi & Nadhir Al-Ansari & Tiyasha Tiyasha &, 2020. "State-of-the Art-Powerhouse, Dam Structure, and Turbine Operation and Vibrations," Sustainability, MDPI, vol. 12(4), pages 1-40, February.
    8. Thomas Kelly & Thomas Dooley & John Campbell & John V. Ringwood, 2013. "Comparison of the Experimental and Numerical Results of Modelling a 32-Oscillating Water Column (OWC), V-Shaped Floating Wave Energy Converter," Energies, MDPI, vol. 6(8), pages 1-33, August.
    9. Halliday, J. Ross & Dorrell, David G. & Wood, Alan R., 2011. "An application of the Fast Fourier Transform to the short-term prediction of sea wave behaviour," Renewable Energy, Elsevier, vol. 36(6), pages 1685-1692.
    10. Ying, P. & Chen, Y.K. & Xu, Y.G. & Tian, Y., 2015. "Computational and experimental investigations of an omni-flow wind turbine," Applied Energy, Elsevier, vol. 146(C), pages 74-83.
    11. Manuel García-Díaz & Bruno Pereiras & Celia Miguel-González & Laudino Rodríguez & Jesús Fernández-Oro, 2021. "CFD Analysis of the Performance of a Double Decker Turbine for Wave Energy Conversion," Energies, MDPI, vol. 14(4), pages 1-19, February.
    12. Gomes, R.P.F. & Henriques, J.C.C. & Gato, L.M.C. & Falcão, A.F.O., 2012. "Multi-point aerodynamic optimization of the rotor blade sections of an axial-flow impulse air turbine for wave energy conversion," Energy, Elsevier, vol. 45(1), pages 570-580.
    13. García-Díaz, Manuel & Pereiras, Bruno & Miguel-González, Celia & Rodríguez, Laudino & Fernández-Oro, Jesús, 2021. "Design of a new turbine for OWC wave energy converters: The DDT concept," Renewable Energy, Elsevier, vol. 169(C), pages 404-413.
    14. Mala, K. & Jayaraj, J. & Jayashankar, V. & Muruganandam, T.M. & Santhakumar, S. & Ravindran, M. & Takao, M. & Setoguchi, T. & Toyota, K. & Nagata, S., 2011. "A twin unidirectional impulse turbine topology for OWC based wave energy plants – Experimental validation and scaling," Renewable Energy, Elsevier, vol. 36(1), pages 307-314.
    15. Alberdi, Mikel & Amundarain, Modesto & Garrido, Aitor & Garrido, Izaskun, 2012. "Neural control for voltage dips ride-through of oscillating water column-based wave energy converter equipped with doubly-fed induction generator," Renewable Energy, Elsevier, vol. 48(C), pages 16-26.
    16. Ozkop, Emre & Altas, Ismail H., 2017. "Control, power and electrical components in wave energy conversion systems: A review of the technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 106-115.
    17. Gato, L.M.C. & Maduro, A.R. & Carrelhas, A.A.D. & Henriques, J.C.C. & Ferreira, D.N., 2021. "Performance improvement of the biradial self-rectifying impulse air-turbine for wave energy conversion by multi-row guide vanes: Design and experimental results," Energy, Elsevier, vol. 216(C).
    18. Ying, Pei & Chen, Yong Kang & Xu, Yi Geng, 2015. "An aerodynamic analysis of a novel small wind turbine based on impulse turbine principles," Renewable Energy, Elsevier, vol. 75(C), pages 37-43.
    19. Liu, Hua & Wang, Weijun & Wen, Yadong & Mao, Longbo & Wang, Wenqiang & Mi, Hongju, 2019. "A novel axial flow self-rectifying turbine for use in wave energy converters," Energy, Elsevier, vol. 189(C).
    20. Lopes, Bárbara S. & Gato, Luís M.C. & Falcão, António F.O. & Henriques, João C.C., 2019. "Test results of a novel twin-rotor radial inflow self-rectifying air turbine for OWC wave energy converters," Energy, Elsevier, vol. 170(C), pages 869-879.
    21. Amundarain, Modesto & Alberdi, Mikel & Garrido, Aitor J. & Garrido, Izaskun & Maseda, Javier, 2010. "Wave energy plants: Control strategies for avoiding the stalling behaviour in the Wells turbine," Renewable Energy, Elsevier, vol. 35(12), pages 2639-2648.
    22. Erlantz Otaola & Aitor J. Garrido & Jon Lekube & Izaskun Garrido, 2019. "A Comparative Analysis of Self-Rectifying Turbines for the Mutriku Oscillating Water Column Energy Plant," Complexity, Hindawi, vol. 2019, pages 1-14, January.
    23. Rodríguez, Laudino & Pereiras, Bruno & García-Diaz, Manuel & Fernández-Oro, Jesús & Castro, Francisco, 2020. "Flow pattern analysis of an outflow radial turbine for twin-turbines-OWC wave energy converters," Energy, Elsevier, vol. 211(C).

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