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Evaluation of tidal stream resource in a potential array area via direct measurements

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  • Fairley, Iain
  • Evans, Paul
  • Wooldridge, Chris
  • Willis, Miles
  • Masters, Ian

Abstract

ADCP transects have used to characterise tidal stream resources in the Ramsey Sound area of Pembrokeshire, UK. Previous resource assessments have previously suggested that this area is one of the most promising for tidal stream deployments in the UK and this contribution confirms the commercial viability of the area. In this study three channels were considered: Ramsey Sound itself and two channels to the west formed by small offshore islands. Current velocities were used to compute the tidal energy flux through the channels. Maximum instantaneous peak flux through the three channels ranges from 180 MW to 70 MW. Flux cross-sections are presented and the impact of meso-scale bathymetric features on flux and on the cross-transect variation of maximum flux over the tidal cycle is described and discussed. Theoretical values of extractable power potential are calculated and range between 7.2 MW and 21.8 MW. These values are approximately ¼ of the average flux through the measured cross-section. One channel is identified as being preferable for the first stage of array deployments given greatest homogeneity of flux through the channel cross-section and it having the highest power potential.

Suggested Citation

  • Fairley, Iain & Evans, Paul & Wooldridge, Chris & Willis, Miles & Masters, Ian, 2013. "Evaluation of tidal stream resource in a potential array area via direct measurements," Renewable Energy, Elsevier, vol. 57(C), pages 70-78.
    • Handle: RePEc:eee:renene:v:57:y:2013:i:c:p:70-78
    DOI: 10.1016/j.renene.2013.01.024
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    1. Roche, R.C. & Walker-Springett, K. & Robins, P.E. & Jones, J. & Veneruso, G. & Whitton, T.A. & Piano, M. & Ward, S.L. & Duce, C.E. & Waggitt, J.J. & Walker-Springett, G.R. & Neill, S.P. & Lewis, M.J. , 2016. "Research priorities for assessing potential impacts of emerging marine renewable energy technologies: Insights from developments in Wales (UK)," Renewable Energy, Elsevier, vol. 99(C), pages 1327-1341.
    2. Magnus Harrold & Pablo Ouro, 2019. "Rotor Loading Characteristics of a Full-Scale Tidal Turbine," Energies, MDPI, vol. 12(6), pages 1-19, March.
    3. Fairley, Iain & Williamson, Benjamin J. & McIlvenny, Jason & King, Nicholas & Masters, Ian & Lewis, Matthew & Neill, Simon & Glasby, David & Coles, Daniel & Powell, Ben & Naylor, Keith & Robinson, Max, 2022. "Drone-based large-scale particle image velocimetry applied to tidal stream energy resource assessment," Renewable Energy, Elsevier, vol. 196(C), pages 839-855.
    4. Frost, Carwyn H. & Evans, Paul S. & Harrold, Magnus J. & Mason-Jones, Allan & O'Doherty, Tim & O'Doherty, Daphne M., 2017. "The impact of axial flow misalignment on a tidal turbine," Renewable Energy, Elsevier, vol. 113(C), pages 1333-1344.
    5. 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.
    6. Draycott, S. & Sellar, B. & Davey, T. & Noble, D.R. & Venugopal, V. & Ingram, D.M., 2019. "Capture and simulation of the ocean environment for offshore renewable energy," Renewable and Sustainable Energy Reviews, Elsevier, vol. 104(C), pages 15-29.
    7. Lewis, M. & Neill, S.P. & Robins, P.E. & Hashemi, M.R., 2015. "Resource assessment for future generations of tidal-stream energy arrays," Energy, Elsevier, vol. 83(C), pages 403-415.
    8. 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.
    9. Villalón, V. & Watts, D. & Cienfuegos, R., 2019. "Assessment of the power potential extraction in the Chilean Chacao channel," Renewable Energy, Elsevier, vol. 131(C), pages 585-596.
    10. Ian Masters & Alison Williams & T. Nick Croft & Michael Togneri & Matt Edmunds & Enayatollah Zangiabadi & Iain Fairley & Harshinie Karunarathna, 2015. "A Comparison of Numerical Modelling Techniques for Tidal Stream Turbine Analysis," Energies, MDPI, vol. 8(8), pages 1-21, July.
    11. Brian G. Sellar & Gareth Wakelam & Duncan R. J. Sutherland & David M. Ingram & Vengatesan Venugopal, 2018. "Characterisation of Tidal Flows at the European Marine Energy Centre in the Absence of Ocean Waves," Energies, MDPI, vol. 11(1), pages 1-23, January.
    12. Robins, Peter E. & Neill, Simon P. & Lewis, Matt J. & Ward, Sophie L., 2015. "Characterising the spatial and temporal variability of the tidal-stream energy resource over the northwest European shelf seas," Applied Energy, Elsevier, vol. 147(C), pages 510-522.
    13. Edmunds, Matt & Williams, Alison J. & Masters, Ian & Banerjee, Arindam & VanZwieten, James H., 2020. "A spatially nonlinear generalised actuator disk model for the simulation of horizontal axis wind and tidal turbines," Energy, Elsevier, vol. 194(C).
    14. 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.
    15. Fairley, I. & Masters, I. & Karunarathna, H., 2015. "The cumulative impact of tidal stream turbine arrays on sediment transport in the Pentland Firth," Renewable Energy, Elsevier, vol. 80(C), pages 755-769.
    16. Fairley, I. & Ahmadian, R. & Falconer, R.A. & Willis, M.R. & Masters, I., 2014. "The effects of a Severn Barrage on wave conditions in the Bristol Channel," Renewable Energy, Elsevier, vol. 68(C), pages 428-442.
    17. Jon Hardwick & Ed B. L. Mackay & Ian G. C. Ashton & Helen C. M. Smith & Philipp R. Thies, 2021. "Quantifying the Effects of Wave—Current Interactions on Tidal Energy Resource at Sites in the English Channel Using Coupled Numerical Simulations," Energies, MDPI, vol. 14(12), pages 1-17, June.
    18. Enayatollah Zangiabadi & Matt Edmunds & Iain A. Fairley & Michael Togneri & Alison J. Williams & Ian Masters & Nick Croft, 2015. "Computational Fluid Dynamics and Visualisation of Coastal Flows in Tidal Channels Supporting Ocean Energy Development," Energies, MDPI, vol. 8(6), pages 1-16, June.
    19. Widén, Joakim & Carpman, Nicole & Castellucci, Valeria & Lingfors, David & Olauson, Jon & Remouit, Flore & Bergkvist, Mikael & Grabbe, Mårten & Waters, Rafael, 2015. "Variability assessment and forecasting of renewables: A review for solar, wind, wave and tidal resources," Renewable and Sustainable Energy Reviews, Elsevier, vol. 44(C), pages 356-375.
    20. Segura, E. & Morales, R. & Somolinos, J.A., 2018. "A strategic analysis of tidal current energy conversion systems in the European Union," Applied Energy, Elsevier, vol. 212(C), pages 527-551.
    21. Thiébaut, Maxime & Sentchev, Alexei & du Bois, Pascal Bailly, 2019. "Merging velocity measurements and modeling to improve understanding of tidal stream resource in Alderney Race," Energy, Elsevier, vol. 178(C), pages 460-470.
    22. Haverson, David & Bacon, John & Smith, Helen C.M. & Venugopal, Vengatesan & Xiao, Qing, 2018. "Modelling the hydrodynamic and morphological impacts of a tidal stream development in Ramsey Sound," Renewable Energy, Elsevier, vol. 126(C), pages 876-887.
    23. 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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