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Evaluation of the production of tidal stream energy in an inlet channel by coupling field data and numerical modelling

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  • Pacheco, A.
  • Ferreira, Ó.
  • Carballo, R.
  • Iglesias, G.

Abstract

The paper combines hydrographic surveying techniques with numerical modelling to evaluate the spatial and temporal distributions of tidal power in a confined channel located in Portugal (Faro Channel in the Ria Formosa). The channel is characterised by strong currents with depth-averaged velocities exceeding 2 m s−1. The model was successfully validated against harmonic analysis data and in situ flow measurements acquired with an Acoustic Doppler Current Profiler (ADCP). Annual estimates of power and energy output were derived, considering spatial and temporal variations in flow velocities and in power density both across and along the channel. The study confirms the relevance of integrating field information with numerical models to achieve a better estimation of tidal power potential through the water column. The accuracy of both bathymetric and tidal elevation data contributes greatly to validating the model; whereas validating the model results with 3D velocity patterns obtained using boat-mounted ADCPs allows peak velocity distributions along the water column and the spatial variation of velocity through different cross-sections to be considered, further assisting in the dynamic placement of tidal energy conversion devices adapted to different resource scenarios. The methodology can be readily adapted and applied to any other inlet, tidal channel, or estuarine mouth.

Suggested Citation

  • Pacheco, A. & Ferreira, Ó. & Carballo, R. & Iglesias, G., 2014. "Evaluation of the production of tidal stream energy in an inlet channel by coupling field data and numerical modelling," Energy, Elsevier, vol. 71(C), pages 104-117.
    • Handle: RePEc:eee:energy:v:71:y:2014:i:c:p:104-117
    DOI: 10.1016/j.energy.2014.04.075
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    1. Ramos, V. & Carballo, R. & Álvarez, M. & Sánchez, M. & Iglesias, G., 2013. "Assessment of the impacts of tidal stream energy through high-resolution numerical modeling," Energy, Elsevier, vol. 61(C), pages 541-554.
    2. Mason-Jones, A. & O'Doherty, D.M. & Morris, C.E. & O'Doherty, T. & Byrne, C.B. & Prickett, P.W. & Grosvenor, R.I. & Owen, I. & Tedds, S. & Poole, R.J., 2012. "Non-dimensional scaling of tidal stream turbines," Energy, Elsevier, vol. 44(1), pages 820-829.
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    4. Iglesias, G. & Sánchez, M. & Carballo, R. & Fernández, H., 2012. "The TSE index – A new tool for selecting tidal stream sites in depth-limited regions," Renewable Energy, Elsevier, vol. 48(C), pages 350-357.
    5. O Rourke, Fergal & Boyle, Fergal & Reynolds, Anthony, 2010. "Tidal energy update 2009," Applied Energy, Elsevier, vol. 87(2), pages 398-409, February.
    6. Carballo, R. & Iglesias, G. & Castro, A., 2009. "Numerical model evaluation of tidal stream energy resources in the Ría de Muros (NW Spain)," Renewable Energy, Elsevier, vol. 34(6), pages 1517-1524.
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    Cited by:

    1. Evans, P. & Mason-Jones, A. & Wilson, C. & Wooldridge, C. & O'Doherty, T. & O'Doherty, D., 2015. "Constraints on extractable power from energetic tidal straits," Renewable Energy, Elsevier, vol. 81(C), pages 707-722.
    2. Khojasteh, Danial & Lewis, Matthew & Tavakoli, Sasan & Farzadkhoo, Maryam & Felder, Stefan & Iglesias, Gregorio & Glamore, William, 2022. "Sea level rise will change estuarine tidal energy: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 156(C).
    3. Eva Segura & Rafael Morales & José A. Somolinos, 2019. "Influence of Automated Maneuvers on the Economic Feasibility of Tidal Energy Farms," Sustainability, MDPI, vol. 11(21), pages 1-22, October.
    4. Pacheco, A. & Ferreira, Ó., 2016. "Hydrodynamic changes imposed by tidal energy converters on extracting energy on a real case scenario," Applied Energy, Elsevier, vol. 180(C), pages 369-385.
    5. Fouz, D.M. & Carballo, R. & López, I. & González, X.P. & Iglesias, G., 2023. "A methodology for cost-effective analysis of hydrokinetic energy projects," Energy, Elsevier, vol. 282(C).
    6. Guillou, Nicolas, 2017. "Modelling effects of tidal currents on waves at a tidal stream energy site," Renewable Energy, Elsevier, vol. 114(PA), pages 180-190.
    7. Mestres, Marc & Cerralbo, Pablo & Grifoll, Manel & Sierra, Joan Pau & Espino, Manuel, 2019. "Modelling assessment of the tidal stream resource in the Ria of Ferrol (NW Spain) using a year-long simulation," Renewable Energy, Elsevier, vol. 131(C), pages 811-817.
    8. González-Gorbeña, Eduardo & Pacheco, André & Plomaritis, Theocharis A. & Ferreira, Óscar & Sequeira, Cláudia, 2018. "Estimating the optimum size of a tidal array at a multi-inlet system considering environmental and performance constraints," Applied Energy, Elsevier, vol. 232(C), pages 292-311.
    9. Pacheco, A. & Gorbeña, E. & Plomaritis, T.A. & Garel, E. & Gonçalves, J.M.S. & Bentes, L. & Monteiro, P. & Afonso, C.M.L. & Oliveira, F. & Soares, C. & Zabel, F. & Sequeira, C., 2018. "Deployment characterization of a floatable tidal energy converter on a tidal channel, Ria Formosa, Portugal," Energy, Elsevier, vol. 158(C), pages 89-104.
    10. Guillou, Nicolas & Chapalain, Georges, 2017. "Assessing the impact of tidal stream energy extraction on the Lagrangian circulation," Applied Energy, Elsevier, vol. 203(C), pages 321-332.
    11. Iglesias, I. & Bio, A. & Bastos, L. & Avilez-Valente, P., 2021. "Estuarine hydrodynamic patterns and hydrokinetic energy production: The Douro estuary case study," Energy, Elsevier, vol. 222(C).
    12. Rodrigues, N. & Pintassilgo, P. & Calhau, F. & González-Gorbeña, E. & Pacheco, A., 2021. "Cost-benefit analysis of tidal energy production in a coastal lagoon: The case of Ria Formosa – Portugal," Energy, Elsevier, vol. 229(C).
    13. Vazquez, A. & Iglesias, G., 2016. "Grid parity in tidal stream energy projects: An assessment of financial, technological and economic LCOE input parameters," Technological Forecasting and Social Change, Elsevier, vol. 104(C), pages 89-101.

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