Turbulence characterization at a tidal energy site using large-eddy simulations: case of the Alderney Race | Zendy

Adrien Bourgoin | Zendy; Sylvain Guillou | Zendy; Jérôme Thiebot | Zendy; Riadh Ata | Zendy

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Turbulence characterization at a tidal energy site using large-eddy simulations: case of the Alderney Race

Author(s) -

Adrien Bourgoin,

Sylvain Guillou,

Jérôme Thiebot,

Riadh Ata

Publication year - 2020

Publication title -

philosophical transactions of the royal society a mathematical physical and engineering sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.074

H-Index - 169

eISSN - 1471-2962

pISSN - 1364-503X

DOI - 10.1098/rsta.2019.0499

Subject(s) - turbulence , vortex , flow (mathematics) , large eddy simulation , software deployment , geology , tidal power , meteorology , energy (signal processing) , environmental science , marine engineering , computer science , physics , mechanics , engineering , operating system , quantum mechanics

Sites suitable for the deployment of tidal turbines generally show a combination of complex seabed morphologies and extreme current magnitudes. Such configurations favour the formation of vortices, which can be very powerful. Anticipating the vortex effect on the turbine performance and/or lifespan requires refined description of the turbulence. Thanks to increased calculation resources, large-eddy simulation (LES) can now be applied to natural flow. An LES approach developed within the TELEMAC-3D open-source software is presented here. After validating the model within-situ measurements, the model is applied to characterize the flow statistics of the Alderney Race.This article is part of the theme issue ‘New insights on tidal dynamics and tidal energy harvesting in the Alderney Race’.

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