Turbulence characterization at a tidal energy site using large-eddy simulations: case of the Alderney Race-Reference-Cited by-同舟云学术

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

Published:2020-07-27 Issue:2178 Volume:378 Page:20190499
ISSN:1364-503X
Container-title:Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
language:en
Short-container-title:Phil. Trans. R. Soc. A.

Author:

Bourgoin Adrien C. L.¹²^ORCID,Guillou Sylvain S.¹,Thiébot Jérôme¹^ORCID,Ata Riadh³

Affiliation:

1. UNICAEN LUSAC, EA 4253, 60 Rue Max Pol Fouchet, CS 20082, 50130 Cherbourg-en-Cotentin, France

2. Nextflow Software, 1 Rue de la Noë, 44300 Nantes, France

3. FLOW-3D, Harkle Road, 87505 NM, Santa Fe, USA

Abstract

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 with in-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’.

Funder

Agence Nationale de la Recherche

Publisher

The Royal Society

Subject

General Physics and Astronomy,General Engineering,General Mathematics

Link

https://royalsocietypublishing.org/doi/pdf/10.1098/rsta.2019.0499

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