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Article

New Insight Into the Flow Around a Wind Turbine Airfoil Section

[+] Author and Article Information
F. Bertagnolio, N. N. Sørensen, F. Rasmussen

Wind Energy Department, Risø National Laboratory, P.O. Box 49—DK-4000 Roskilde, Denmark

J. Sol. Energy Eng 127(2), 214-222 (Apr 25, 2005) (9 pages) doi:10.1115/1.1861927 History: Received May 24, 2004; Revised December 14, 2004; Online April 25, 2005
Copyright © 2005 by ASME
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References

Figures

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Polar characteristics for static airfoil
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Time-series of lift for static airfoil (α=15.9°)
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Power spectrum of lift for static airfoil (α=15.9°)
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Time-series of lift spanwise along static airfoil (α=15.9°)
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Details of iso-vorticity and iso-pressure for the static airfoil (α=15.9°)—3D k−ω SST
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Time-series of lift spanwise along static airfoil (α=15.9°)
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Power spectrum of lift spanwise along static airfoil (α=15.9°)
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Characteristic loops for pitching airfoil (α=15.9±2.2°)
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Characteristic loops for pitching airfoil (α=15.9±2.2°)
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Characteristic loops for pitching airfoil (α=15.9±2.2°)—DES
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Characteristics for loops pitching Airfoil (α=15.9±2.2°)—Experiment
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Time-series of lift for pitching airfoil (α=15.9±2.2°)
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Time-series of lift spanwise along pitching airfoil (α=15.9±2.2°)
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Power spectrum of lift spanwise along pitching airfoil (α=15.9±2.2°)
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Power spectrum of lift for pitching airfoil (α=15.9±2.2°)
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Characteristic loops for pitching airfoil—Comparison with Beddoes-Leishman model
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Description of the flapwise motion of the airfoil
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Comparison of the pitching and plunging motions
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Aerodynamic work computed on a sliding window—Comparison of different models

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