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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.

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  • 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. 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.
    2. 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.
    3. 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.
    4. Neill, Simon P., 2024. "Wave resource characterization and co-location with offshore wind in the Irish Sea," Renewable Energy, Elsevier, vol. 222(C).
    5. Magnus Harrold & Pablo Ouro, 2019. "Rotor Loading Characteristics of a Full-Scale Tidal Turbine," Energies, MDPI, vol. 12(6), pages 1-19, March.
    6. 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.
    7. 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.
    8. 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.
    9. 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.
    10. 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.
    11. 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.
    12. 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.
    13. 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.
    14. 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.
    15. 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.
    16. 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.
    17. 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).
    18. Yang, Zhixue & Ren, Zhouyang & Li, Hui & Pan, Zhen & Xia, Weiyi, 2024. "A review of tidal current power generation farm planning: Methodologies, characteristics and challenges," Renewable Energy, Elsevier, vol. 220(C).
    19. 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.
    20. 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.
    21. 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.
    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. 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.
    24. 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.
    25. 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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