Determination of Scaled Wind Turbine Rotor Characteristics from 3 Dimensional RANS Calculations
Author Simon Burmester, S├ębastien Gueydon, Douwe Rijpkema (MARIN), Michel Make (CATS)
Title Determination of Scaled Wind Turbine Rotor Characteristics from 3 Dimensional RANS Calculations
Conference/Journal 12th Deep Sea Offshore Wind R&D Conference, EERA DeepWind, Trondheim, Norway
Month February
Year 2015

Abstract
Previous studies showed the importance of three-dimensional effects when calculating the characteristics of a scaled down turbine rotor [1, 6, 7]. The results of 3D RANS computations of Make and Vaz [1] are taken to calculate 2D lift and drag
coefficients given as input to FAST (BEMT tool from NREL). With this BEMT tool the rotor characteristics (power and thrust coefficients) are calculated. We term this the RANS-BEMT coupled approach. This approach is compared to measurements carried out at MARIN and the direct 3D-RANS computation.

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