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TECHNICAL PAPERS

Blade Dynamic Stall Vortex Kinematics for a Horizontal Axis Wind Turbine in Yawed Conditions*

[+] Author and Article Information
Scott J. Schreck, Michael C. Robinson, M. Maureen Hand, David A. Simms

Applied Research Division, National Wind Technology Center, National Renewable Energy Laboratory, 1617 Cole Blvd., Golden, CO 80401

J. Sol. Energy Eng 123(4), 272-281 (Jun 01, 2001) (10 pages) doi:10.1115/1.1408307 History: Received March 01, 2001; Revised June 01, 2001
Copyright © 2001 by ASME
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References

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Figures

Grahic Jump Location
UAE Phase VI blade twist distribution
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UAE Phase VI blade taper distribution
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Blade cross section and planform, showing pressure tap and five hole probe locations
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Surface pressure records at 13 suction surface tap locations during 36 consecutive cycles
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Suction surface cp histories (upper panel), Cn history (lower panel); both at 0.30R
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Suction surface cp histories (upper panel), Cn history (lower panel); both at 0.47R
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Suction surface cp histories (upper panel), Cn history (lower panel); both at 0.63R
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Suction surface cp histories (upper panel), Cn history (lower panel); both at 0.80R
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Suction surface cp histories (upper panel), Cn history (lower panel); both at 0.95R
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Representative dynamic stall vortex convection histories at four blade span locations
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VDSV/ULOC vs. K for sinusoidally pitching S809 airfoil
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VDSV/ULOC vs. K for rotating blade showing 2-D vortex dynamics
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VDSV/ULOC vs. K for rotating blade showing 3-D vortex dynamics
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Typical set of 2-D dynamic stall vortex topologies
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Typical set of 3-D dynamic stall vortex topologies
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Visualization of 3-D dynamic stall vortex

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