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Improving a BEM Yaw Model Based on NewMexico Experimental Data and Vortex/CFD Simulations

Abstract : The aim of the work presented here is to evaluate the capacity of three models to reproduce the blade loads and near wake velocities of a wind turbine, tested in a wind tunnel during the IEA Wind MexNext project ant to improve a Blade Element Momentum (BEM) model based on the analysis of the results. Two in-house solvers (AeroDeeP, CASTOR), based on BEM and vortex methods, are compared to an open-source CFD Actuator Line solver (CFD-AL) named SOWFA, based on the OpenFOAM toolbox. The main conclusions are given below: the BEM model reach the accuracy of other numerical methods for blade loads, even in yawed conditions. To this end, a new simple model has been introduced. Although the results do not compare perfectly with experimental data, a substantial improvement has been obtained. Wake velocities are well predicted by the vortex solver, thanks to the low diffusion of the methods.
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Contributor : Frédéric Blondel <>
Submitted on : Wednesday, May 27, 2020 - 4:17:17 PM
Last modification on : Wednesday, May 27, 2020 - 8:22:51 PM

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Frédéric Blondel, Gilles Ferrer, Marie Cathelain, David Teixeira. Improving a BEM Yaw Model Based on NewMexico Experimental Data and Vortex/CFD Simulations. Congrès Français de Mécanique, Aug 2017, Lille, France. ⟨hal-01663643⟩

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