Comparison of Engineering Wake Models with CFD Simulations

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The engineering wake models by Jensen [1] and Frandsen et al. [2] are assessed for different scenarios simulated using Large Eddy Simulation and the Actuator Line method implemented in the Navier-Stokes equations. The scenarios include the far wake behind a single wind turbine, a long row of turbines in an atmospheric boundary layer, idealised cases of an infinitely long row of wind turbines and infinite wind farms with three different spacings. Both models include a wake expansion factor, which is calibrated to fit the simulated wake velocities. The analysis highlights physical deficiencies in the ability of the models to universally predict the wake velocities, as the expansion factor can be fitted for a given case, but with not apparent transition between the cases.
Original languageEnglish
Article number012161
Book seriesJournal of Physics: Conference Series (Online)
Issue number1
Number of pages11
Publication statusPublished - 2014
Event5th International Conference on The Science of Making Torque from Wind 2014 - Technical University of Denmark, Copenhagen, Denmark
Duration: 10 Jun 201420 Jun 2014
Conference number: 5


Conference5th International Conference on The Science of Making Torque from Wind 2014
LocationTechnical University of Denmark
Internet address

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