An evaluation of several methods of determining the local angle of attack on wind turbine blades

Srinivas Guntur, Niels N. Sørensen

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Abstract

Several methods of determining the angles of attack (AOAs) on wind turbine blades are discussed in this paper. A brief survey of the methods that have been used in the past are presented, and the advantages of each method are discussed relative to their application in the BEM theory. Data from existing as well as new full rotor CFD computations of the MEXICO rotor are used in this analysis. A more accurate estimation of the AOA is possible from 3D full rotor CFD computations, but when working with experimental data, pressure measurements and sectional forces are often the only data available. The aim of this work is to analyse the reliability of some of the simpler methods of estimating the 3D effective AOA compared some of the more rigorous CFD based methods.
Original languageEnglish
Article number012045
Book seriesJournal of Physics: Conference Series (Online)
Volume555
Number of pages11
ISSN1742-6596
DOIs
Publication statusPublished - 2014
EventThe science of Making Torque from Wind 2012: 4th scientific conference - Universität Oldenburg, Oldenburg, Germany
Duration: 9 Oct 201211 Oct 2012
http://www.forwind.de/makingtorque/Home.html

Conference

ConferenceThe science of Making Torque from Wind 2012
LocationUniversität Oldenburg
CountryGermany
CityOldenburg
Period09/10/201211/10/2012
Internet address

Bibliographical note

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. Published under licence by IOP Publishing Ltd

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