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Journal article · Conference paper

Reduced order model of the inherent turbulence of wind turbine wakes inside an infinitely long row of turbines

From

Department of Wind Energy, Technical University of Denmark1

Fluid Mechanics, Department of Wind Energy, Technical University of Denmark2

The turbulence in the interior of an idealised wind farm is simulated using Large Eddy Simulation and the Actuator Line technique implemented in the Navier-Stokes equations. The simulation is carried out for an ’infinitely’ long row of turbines simulated by applying cyclic boundary conditions at the inlet and outlet.

The simulations investigate the turbulence inherent to the wind turbines as no ambient turbulence or shear is added to this idealised case. AReduced Order Model for the highly turbulent flow deep inside a wind farm is proposed based on a Proper Orthogonal Decomposition. The reconstructed flow is shown to capture the large scale motions of the highly turbulent flow.

Language: English
Publisher: IOP Publishing
Year: 2014
Pages: 012005
Proceedings: The science of Making Torque from Wind 2012European Academy of Wind Energy : The Science of Making Torque from Wind
ISSN: 17426596 and 17426588
Types: Journal article and Conference paper
DOI: 10.1088/1742-6596/555/1/012005
ORCIDs: Andersen, Søren Juhl , Sørensen, Jens Nørkær and Mikkelsen, Robert Flemming

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