Large-scale experiments to improve monopile scour protection design adapted to climate change—the PROTEUS project

Carlos Emilio Arboleda Chavez, Vasiliki Stratigaki, Minghao Wu, Peter Troch, Alexander Schendel, Mario Welzel, Raúl Villanueva, Torsten Schlurmann, Leen De Vos, Dogan Kisacik, Francisco Taveira Pinto, Tiago Fazeres-Ferradosa, Paulo Rosa Santos, Leen Baelus, Viktoria Szengel, Annelies Bolle, Richard Whitehouse, David Todd

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

This study aims to improve the design of scour protection around offshore wind turbine monopiles, as well as future-proofing them against the impacts of climate change. A series of large-scale experiments have been performed in the context of the European HYDRALAB-PLUS PROTEUS (Protection of offshore wind turbine monopiles against scouring) project in the Fast Flow Facility in HR Wallingford. These experiments make use of state of the art optical and acoustic measurement techniques to assess the damage of scour protections under the combined action of waves and currents. These novel PROTEUS tests focus on the study of the grading of the scour protection material as a stabilizing parameter, which has never been done under the combined action of waves and currents at a large scale. Scale effects are reduced and, thus, design risks are minimized. Moreover, the generated data will support the development of future scour protection designs and the validation of numerical models used by researchers worldwide. The testing program objectives are: (i) to compare the performance of single-layer wide-graded material used against scouring with current design practices; (ii) to verify the stability of the scour protection designs under extreme flow conditions; (iii) to provide a benchmark dataset for scour protection stability at large scale; and (iv) to investigate the scale effects on scour protection stability.

Original languageEnglish (US)
Article number1709
JournalEnergies
Volume12
Issue number9
DOIs
StatePublished - May 6 2019

Keywords

  • Acoustic measurements
  • Climate change conditions
  • Large scale experiments
  • Offshore wind turbines
  • Optical measurements
  • Scour protection damage
  • Waves-current interaction
  • Wide-graded materials

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Energy (miscellaneous)
  • Control and Optimization
  • Electrical and Electronic Engineering

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    Chavez, C. E. A., Stratigaki, V., Wu, M., Troch, P., Schendel, A., Welzel, M., Villanueva, R., Schlurmann, T., De Vos, L., Kisacik, D., Pinto, F. T., Fazeres-Ferradosa, T., Santos, P. R., Baelus, L., Szengel, V., Bolle, A., Whitehouse, R., & Todd, D. (2019). Large-scale experiments to improve monopile scour protection design adapted to climate change—the PROTEUS project. Energies, 12(9), [1709]. https://doi.org/10.3390/en12091709