īaldacchino D, Ferreira C, De Tavernier D, Timmer WA, van Bussel GJW (2018) Experimental parameter study for passive vortex generators on a 30% thick airfoil. Dover Publications Inc, New York, ISBN-10: 0486605868īaek P, Fuglsang P (2009) Experimental detection of transition on wind turbine airfoils, EWEC 2009 Proceedingsīak C (2018) EUDP2018-I AeroLoop Accelerate and enhance quality in aerodynamic and aeroacoustic design loops, Presentation at Wind Energy Denmark 2018, available via cited in May 2019īaldacchino D, Manolesos M, Ferreira CMD, Gonzalez Salcedo A, Aparicio M, Chaviaropoulos T, Diakakis K, Florentie L, Ramos García N, Papadakis G, Sorensen NN, Timmer N, Troldborg N, Voutsinas S, van Zuijlen A (2016) Experimental benchmark and code validation for airfoils equipped with passive vortex generators. KeywordsĪbbot IH, von Doenhoff AE (1949) Theory of wind sections. Although the challenges in wind turbine airfoil testing are still out there, it can be concluded that both more precise measurement techniques and modern wind tunnels with special features will serve to tackle these challenges in the near future. Moreover, a summary of different tests performed in each of these wind tunnels is given. Starting with two historic wind tunnels, NASA Langley Low-Turbulence Pressure Tunnel and Velux wind tunnels which were supporting designers and researchers at some stage since the beginning of wind energy, a total of 13 wind tunnels are elaborated in terms of both their specifications and the measurement methods. This chapter provides an overview of wind tunnels that are suitable to support these demands in wind turbine airfoil testing. Especially very large wind turbines with 100m+ blades demand robust airfoils with highly accurate aerodynamic data during the design phase which requires special attention for wind tunnel testing. Wind tunnel testing of airfoils is an indispensable part of the wind turbine design process.
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