Latest results from the EU project AVATAR: Aerodynamic modelling of 10 MW wind turbines

J. G. Schepers O. Ceyhan, K. Boorsma, A. Gonzalez, X. Munduate, O. Pires, Niels N. Sørensen, Célia Maria Dias Ferreira, G. Sieros, J. Madsen, S. Voutsinas, T. Lutz, G. Barakos, S. Colonia, H. Heißelmann, F. Meng, A. Croce

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Abstract

This paper presents the most recent results from the EU project AVATAR in which aerodynamic models are improved and validated for wind turbines on a scale of 10 MW and more. Measurements on a DU 00-W-212 airfoil are presented which have been taken in the pressurized DNW-HDG wind tunnel up to a Reynolds number of 15 Million. These measurements are compared with measurements in the LM wind tunnel for Reynolds numbers of 3 and 6 Million and with calculational results. In the analysis of results special attention is paid to high Reynolds numbers effects. CFD calculations on airfoil performance showed an unexpected large scatter which eventually was reduced by paying even more attention to grid independency and domain size in relation to grid topology. Moreover calculations are presented on flow devices (leading and trailing edge flaps and vortex generators). Finally results are shown between results from 3D rotor models where a comparison is made between results from vortex wake methods and BEM methods at yawed conditions.
Original languageEnglish
Title of host publicationThe Science of Making Torque from Wind (TORQUE 2016)
Number of pages16
Volume753
PublisherIOP Publishing
Publication date2016
DOIs
Publication statusPublished - 2016
SeriesJournal of Physics: Conference Series (Online)
ISSN1742-6596

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

Keywords

  • Applied fluid mechanics
  • Compressible flows; shock and detonation phenomena
  • General fluid dynamics theory, simulation and other computational methods
  • Rotational flow, vortices, buoyancy and other flows involving body forces
  • Wakes
  • Numerical approximation and analysis
  • Civil and mechanical engineering computing
  • Finite element analysis
  • Mechanical engineering applications of IT
  • Power and plant engineering (mechanical engineering)
  • Fluid mechanics and aerodynamics (mechanical engineering)
  • Mechanical components
  • Numerical analysis
  • aerodynamics
  • aerospace components
  • boundary-elements methods
  • computational fluid dynamics
  • vortices
  • wakes
  • wind turbines
  • EU project AVATAR
  • aerodynamic modelling
  • aerodynamic models
  • pressurized DNW-HDG wind tunnel
  • LM wind tunnel
  • Reynolds numbers
  • CFD calculations
  • airfoil performance
  • grid independency
  • domain size
  • grid topology
  • flow devices
  • 3D rotor models
  • vortex wake methods
  • BEM methods
  • yawed conditions
  • power 10 MW

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