Rotor Blade Computations with 3D Vortex Generators
Risø-R-1486(EN) KNOW-BLADE Task-3.3 report; Rotor Blade Computations with 3D Vortex Generators Jeppe Johansen, Niels N. Sørensen, Mads Reck, Martin O.L.Hansen, Arne Stuermer, Jan Ramboer, Charles Hirsch,John Ekaterinaris, Spyros Voutsinas and Yannis Perivolaris Risø National Laboratory Roskilde Denmark January 2005 Author: Jeppe Johansen, Niels N. Sørensen, Mads Reck, Martin Risø-R-1486(EN) O.L.Hansen, Arne Stuermer, Jan Ramboer, Charles Hirsch,John January 2005 Ekaterinaris, Spyros Voutsinas and Yannis Perivolaris Title: KNOW-BLADE Task-3.3 report; Rotor Blade Computations with 3D Vortex Generators Abstract (max. 2000 char.): ISSN 0106-2840 The present report describes the work done in work package WP3.3: ISBN 87-550-3386-5 Aerodynamic Accessories in 3D in the EC project KNOW-BLADE. Vortex generators (VGs) are modelled in 3D Navier-Stokes solvers and applied on the flow around an airfoil and a wind turbine blade. Three test cases have been investigated. They are: − A non-rotating airfoil section with VGs − A rotating airfoil section with VGs − A non-rotating wind turbine blade with VGs Contract no.: ENK6-CT-2001-00503 The airfoil section was the FFA-W3-241 airfoil, which has been measured in the VELUX wind tunnel with and without VGs placed at different chordwise positions. Three of the partners have modelled the airfoil section Group's own reg. no.: 1110033-00 as a thin airfoil section with symmetry boundary conditions in the spanwise direction to simulate an array of VGs. The wind turbine blade is the LM19.1 blade equipped with one pair of VGs Sponsorship: placed at radius = 8.5 m.
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