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Conference paper · Journal article

Evaluation of different methods of determining the angle of attack on wind turbine blades under yawed inflow conditions

From

Energy Research Centre of the Netherlands1

Department of Wind Energy, Technical University of Denmark2

Fluid Mechanics, Department of Wind Energy, Technical University of Denmark3

University of Oldenburg4

University of Malta5

Delft University of Technology6

University of Stuttgart7

As part of the AVATAR and Mexnext projects, this study compares several methods used to derive lifting line variables from CFD simulations of the MEXICO rotor in yawed inflow. The results from six partners within the AVATAR/Mexnext consortium using five different methods of extraction were compared.

Overall comparison of the induced velocities at the mid and tip parts of blade shows fairly good agreement between the tested methods, where the derived angle of attack differs within 1°, within the linear range this accounts to ˂ 10% uncertainty on the aerodynamic forces. The presented comparison shows inadequate agreement between the methods for application towards the root.

Language: English
Publisher: IOP Publishing
Year: 2018
Pages: 022028
Proceedings: The Science of Making Torque from Wind 2018
ISSN: 17426596 and 17426588
Types: Conference paper and Journal article
DOI: 10.1088/1742-6596/1037/2/022028
ORCIDs: Shen, Wen Zhong

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