Modelling marine turbine arrays in tidal flows

Tidal stream turbines operate in the harsh marine environment, subjected to turbulence, wave action and wakes from upstream devices when deployed in arrays. Turbines may be mounted on the sea bed or on floating platforms. Numerical models are invaluable to study individual and array performance and...

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Veröffentlicht in:Journal of hydraulic research Jg. 60; H. 2; S. 187 - 204
Hauptverfasser: Stansby, Peter K., Ouro, Pablo
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Madrid Taylor & Francis 04.03.2022
Taylor & Francis Ltd
Schlagworte:
Arrays
Floating
Floating platforms
Fluid dynamics
Large eddy simulation
Marine environment
marine turbines
Mathematical models
Modelling
Numerical models
Ocean floor
Oceanic eddies
Physical simulation
Shallow water
Simulation
Three dimensional models
Tidal currents
Tidal flow
tidal flows
turbine arrays
Turbine engines
Turbines
Turbulence
Turbulent flow
Wakes
Wave action
Work platforms
ISSN:0022-1686, 1814-2079
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung:Tidal stream turbines operate in the harsh marine environment, subjected to turbulence, wave action and wakes from upstream devices when deployed in arrays. Turbines may be mounted on the sea bed or on floating platforms. Numerical models are invaluable to study individual and array performance and their interaction with environmental flows. To date, shallow water models and three-dimensional Reynolds averaged Navier-Stokes (RANS) simulations predominate the simulation of turbine arrays, while large-eddy simulation (LES) is becoming more widely used due to availability of high-performance computing resources. The accuracy of turbine performance and load prediction depends on the ability to represent turbulence in the tidal flow and unsteady wake effects. Inclusion of waves increases the modelling complexity and is particularly significant for floating platforms. In this Vision Paper, we provide a perspective on the numerical approaches currently used for modelling tidal flows and marine turbines, suggesting future challenges envisaged in this field.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0022-1686
1814-2079
DOI:10.1080/00221686.2021.2022032