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January 14, 2026Wind energy scienceOpen Access

Investigation of onshore wind farm wake recovery with in situ aircraft measurements during AWAKEN

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Authors

AVAnna VossKBKonrad B. BärfussBCBeatriz Cañadillas

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Overview

Investigation reveals turbulence and wind power variability in onshore wind farms, suggesting implications for energy output prediction.

Key Points

  • To investigate the variability of wind field and wake recovery downwind of onshore wind farms using aircraft measurements.
  • Conducted measurement flights upwind and downwind of wind farms in Oklahoma
  • Utilized data from 20 flights at hub height in September 2023
  • Applied lidar and sonic anemometer data for comprehensive analysis
  • Under stable atmospheric boundary layer (ABL) conditions, wake persists longer with greater velocity deficit
  • Wake recovery to 95% occurs between 4.5 and 9 km downwind in homogeneous terrain
  • In semi-complex terrain, wake shows higher velocity deficit, amplified by terrain at 10 km downwind

Cite This Study

Voss et al. (2026) studied this question.

synapsesocial.com/papers/6966f31d13bf7a6f02c00cachttps://doi.org/10.5194/wes-11-71-2026
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