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

被引：15
|
作者：
Bourgoin, Adrien C. L. [1 ,2 ]
Guillou, Sylvain S. [1 ]
Thiebot, Jerome [1 ]
Ata, Riadh [3 ]
机构：
[1] UNICAEN LUSAC, EA 4253, 60 Rue Max Pol Fouchet,CS 20082, F-50130 Cherbourg En Cotentin, France
[2] Nextflow Software, 1 Rue Noe, F-44300 Nantes, France
[3] FLOW 3D, Harkle Rd, Santa Fe, NM 87505 USA
来源：
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES | 2020年 / 378卷 / 2178期
关键词：
large-eddy simulation; tidal flows; Alderney Race; RAZ BLANCHARD; TURBINES; CHANNEL; DYNAMICS; ARRAYS; FLOW;
D O I：
10.1098/rsta.2019.0499
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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'.
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页数：20
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