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

Vimalakanthan, K., Schepers, J. G., Shen, W. Z., Rahimi, H., Micallef, D., Simao Ferreira, C. J., Jost, E. and Klein, L. (2018). Evaluation of different methods of determining the angle of attack on wind turbine blades under yawed inflow conditions. Journal of Physics: Conference Series, 1037(2), 022028.. doi: 10.1088/1742-6596/1037/2/022028

Abstract

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.

Publication Type: Article
Additional Information: Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Subjects: Q Science > QC Physics
Departments: School of Mathematics, Computer Science & Engineering > Engineering > Mechanical Engineering & Aeronautics
Date Deposited: 21 Aug 2020 10:31
URI: https://openaccess.city.ac.uk/id/eprint/24681
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