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A numerical study of correlations between wake meandering and loads within a wind farm
Moens, M.; Coudou, N.; Chatelain, P. (2019). A numerical study of correlations between wake meandering and loads within a wind farm. Journal of Physics: Conference Series 1256(1): 012012. https://dx.doi.org/10.1088/1742-6596/1256/1/012012
In: Journal of Physics: Conference Series. IOP Publishing: Bristol. ISSN 1742-6588; e-ISSN 1742-6596, more
Peer reviewed article  
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Document type: Conference paper
Keyword
    Marine/Coastal
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Abstract
    This paper aims at the better understanding of the correlations between rotor loads and the wake meandering inside a wind farm. The flow rotor dynamics are simulated by means of Large Eddy Simulations coupled to Actuator Disk models. The wake meandering is captured through a centerline tracking, itself based on the available power in the flow. Two turbulence intensities are investigated, TIs = 6% and 10%. Results show that the yawing moment is very well correlated to the wake movement, even for wind turbines located deeper into the the wind farm. Correlations can also be found between the wake oscillation and the root bending moments. Wake signatures can also be identified from the amplitude of the high-frequency oscillations of the root bending moments; however, the correlation is sometimes less visible, and deviations can be correlated to wind events or wake decay.
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