Experimental Results of Wake Steering Using Fixed Angles

Paul Fleming, Michael Sinner, Tom Young, Marine Lannic, Jennifer King, Eric Simley, Bart Doekemeijer

Research output: Contribution to journalArticle


In this article, the authors present a test of wake steering at a commercial wind farm. A single fixed yaw offset, rather than an optimized offset schedule, is alternately applied to an upstream wind turbine and the effect on downstream turbines is analyzed. This experimental design allows for comparison with engineering wake models independent of the controller's ability to track a varying offset and correctly measure wind direction. Additionally, by applying the same offset in beneficial and detrimental conditions, we are able to collect important data for assessing second-order wake model predictions. Results of the article from collected data show good agreement with the FLOw Redirection and Induction in Steady State (FLORIS) engineering model and offer support for the asymmetry of wake steering predicted by newer models, such as the Gauss-curl hybrid model.
Original languageAmerican English
Number of pages18
JournalWind Energy Science Discussions
StatePublished - 2021

Bibliographical note

See NREL/JA-5000-81869 for final paper as published in Wind Energy Science

NREL Publication Number

  • NREL/JA-5000-79591


  • validation
  • wake steering
  • wind farm control


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