What is it about?
Wind energy is one of the fastest growing renewable energy technologies. Using a scale-adaptive large eddy simulation (LES) method, we have simulated the a wind farm of 41 wind turbines with a rotor diameter of 126 meters. The results show that the spectrum of wind power fluctuations depends on the incoming turbulence and its modulation by the wake interactions in wind farms.
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Why is it important?
Our findings indicate that atmospheric turbulence maintains a statistically stationary power fluctuations that follow the well-known power law spectrum of atmospheric turbulence. This finding indicates that the performance of large wind farms may be enhanced by atmospheric turbulence initiated by mountains, forests, or similar obstacles.
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This page is a summary of: Interaction of vortex stretching with wind power fluctuations, Physics of Fluids, July 2022, American Institute of Physics, DOI: 10.1063/5.0099347.
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