Wind tunnel investigations of DU97‐W‐300‐mod equipped with riblets

A well‐known 30% thick wind turbine aerofoil was partially equipped with riblets, and lift and drag data were measured in a large acoustic wind tunnel. Drag was reduced up to 10%, and lift‐to‐drag ratio increased by up to 30%.

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Bibliographic Details
Published inWind energy (Chichester, England) Vol. 24; no. 10; pp. 1156 - 1161
Main Authors Peter Schaffarczyk, Alois, Momber, Andreas, Stenzel, Volkmar
Format Journal Article
LanguageEnglish
Published Bognor Regis John Wiley & Sons, Inc 01.10.2021
Wiley
Subjects
Accuracy
Airfoils
Communication
Drag
Drag reduction
Fluid dynamics
Geometry
Protective coatings
Reynolds number
Riblets
Turbines
Turbulence models
Wind power
wind tunnel measurements
Wind tunnel testing
Wind tunnels
wind turbine aerofoils
Wind turbines
Germany
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Summary:A well‐known 30% thick wind turbine aerofoil was partially equipped with riblets, and lift and drag data were measured in a large acoustic wind tunnel. Drag was reduced up to 10%, and lift‐to‐drag ratio increased by up to 30%.
ISSN:1095-4244
1099-1824
DOI:10.1002/we.2622