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TECHNICAL PAPERS

Design and Verification of the Risø-B1 Airfoil Family for Wind Turbines

[+] Author and Article Information
Peter Fuglsang, Christian Bak, Mac Gaunaa, Ioannis Antoniou

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

J. Sol. Energy Eng 126(4), 1002-1010 (Nov 18, 2004) (9 pages) doi:10.1115/1.1766024 History: Received January 01, 2004; Revised March 01, 2004; Online November 18, 2004
Copyright © 2004 by ASME
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References

Figures

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Force coefficients and blade twist for an airfoil section on a wind turbine rotor blade
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Wind tunnel test section with test stand. The wake rake is downstream of the airfoil section.
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Risø-B1 airfoil shapes, maximum t/c∊[15%,36%]
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Risø-B1-18 predicted cl and cd for clean airfoil flow at Re=6×106
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Risø-B1-18 predicted ct and cn for clean airfoil flow at Re=6×106
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Risø-B1-18 predicted variation of cl/cd and cl,max calculated with EllipSys2D
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Risø-B1-24 predicted cl and cd for clean airfoil flow at Re=6×106
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Risø-B1-24 predicted ct and cn for clean airfoil flow at Re=6×106
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Risø-B1-18 measured and predicted CP for clean airfoil flow at Re=1.6×106
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Risø-B1-18 measured and predicted cl and cd for clean airfoil flow at Re=1.6×106
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Risø-B1-18 measured cl and cd with leading edge roughness: Zig-zag tape at 5% chord on the suction side and 10% chord on the pressure side (ZZT 5%/10%), zig-zag tape at the leading edge onto the suction side (ZZT S.S.) compared with clean airfoil flow at Re=1.6×106
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Risø-B1-18 measured cl and cd with stall strips on the pressure side at 1%, 2% and 3% chord compared with clean airfoil flow at Re=1.6×106
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Risø-B1-24 measured and predicted CP for clean airfoil flow at Re=1.6×106
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Risø-B1-24 measured and predicted cl and cd at Re=1.6×106
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Risø-B1-24 measured cl and cd with leading edge roughness: Zig-zag tape at 5% chord on the suction side and 10% chord on the pressure side (ZZT 5%/10%), zig-zag tape at the leading edge onto the suction side (ZZT S.S.) compared with clean airfoil flow at Re=1.6×106
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Risø-B1-24 measured cl and cd with vortex generators at 15% chord (VG 15%), 20% chord (VG 20%) and 25% chord (VG 25%) at Re=1.6×106
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Risø-B1-24 measured cl and cd with triangular Gurney flaps of different height at Re=1.6×106
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Risø-B1-24 measured cl and cd with vortex generators (VG 20%) and vortex generators and triangular Gurney flaps in combination (VG 20% GF 1%) at Re=1.6×106

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