Investigation into the Shape of a Wake of a Yawed Full-Scale Turbine

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Abstract

In this paper, data from a lidar-based field campaign are used to examine the effect of yaw misalignment on the shape of a wind turbine wake. Prior investigation in wind tunnel research and high-fidelity computer simulation show that the shape assumes an increasingly curled shape as the wake propagates downstream, because of the presence of two counter-rotating vortices. The shape of the wake observed in the field data diverges from predictions of wake shape, and a lidar model is simulated within a large-eddy simulation of the wind turbine in the atmospheric boundary layer to understand the discrepancy.

Original languageAmerican English
Article numberArticle No. 032010
Number of pages10
JournalJournal of Physics: Conference Series
Volume1037
Issue number3
DOIs
StatePublished - 19 Jun 2018
Event7th Science of Making Torque from Wind, TORQUE 2018 - Milan, Italy
Duration: 20 Jun 201822 Jun 2018

Bibliographical note

Publisher Copyright:
© Published under licence by IOP Publishing Ltd.

NREL Publication Number

  • NREL/JA-5000-71421

Keywords

  • atmospheric boundary layer
  • large eddy simulation
  • optical radar
  • torque
  • wind tunnels
  • wind turbines

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