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Annual impact of wind-farm gravity waves on the Belgian-Dutch offshore wind-farm cluster
Allaerts, D.; Vanden Broucke, S.; van Lipzig, N.P.M.; Meyers, J. (2018). Annual impact of wind-farm gravity waves on the Belgian-Dutch offshore wind-farm cluster. Journal of Physics: Conference Series 1037: 072006.
In: Journal of Physics: Conference Series. IOP Publishing: Bristol. ISSN 1742-6588; e-ISSN 1742-6596, meer
Peer reviewed article  

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  • Allaerts, D., meer
  • Vanden Broucke, S., meer
  • van Lipzig, N.P.M.
  • Meyers, J., meer

    While research on wind-farm-atmospheric boundary layer interaction has primarily focused on local effects inside and above the farm, recent studies found that wind farms may affect the wind conditions several kilometres upstream of the farm via the excitation of atmospheric gravity waves. Such non-local effects can have strong implications for the wind-farm energy extraction but are currently overlooked in wind-farm design and operation and control strategies. In the present study, we employ a fast wind-farm boundary-layer model in combination with ERA5 reanalysis data to assess the potential impact of wind-farm induced gravity waves on the annual energy production of the Belgian-Dutch off shore wind-farm cluster in the North Sea. We estimate the annual energy loss due to the effect of self-induced gravity waves to be of the order of 4 to 6 %.

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