Experimental benchmark and code validation for airfoils equipped with passive vortex generators

D. Baldacchino, M. Manolesos, Célia Maria Dias Ferreira, A. González Salcedo, M. Aparicio, T. Chaviaropoulos, K. Diakakis, L. Florentie, Néstor Ramos García, G. Papadakis, Niels N. Sørensen, N. Timmer, Niels Troldborg, S. Voutsinas, A. van Zuijlen

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Abstract

Experimental results and complimentary computations for airfoils with vortex generators are compared in this paper, as part of an effort within the AVATAR project to develop tools for wind turbine blade control devices. Measurements from two airfoils equipped with passive vortex generators, a 30% thick DU97W300 and an 18% thick NTUA T18 have been used for benchmarking several simulation tools. These tools span low-to-high complexity, ranging from engineering-level integral boundary layer tools to fully-resolved computational fluid dynamics codes. Results indicate that with appropriate calibration, engineering-type tools can capture the effects of vortex generators and outperform more complex tools. Fully resolved CFD comes at a much higher computational cost and does not necessarily capture the increased lift due to the VGs. However, in lieu of the limited experimental data available for calibration, high fidelity tools are still required for assessing the effect of vortex generators on airfoil performance.
Original languageEnglish
Article number022002
Book seriesJournal of Physics: Conference Series (Online)
Volume753
Number of pages13
ISSN1742-6596
DOIs
Publication statusPublished - 2016
EventThe Science of Making Torque from Wind 2016 - Technische Universität München (TUM), Munich, Germany
Duration: 5 Oct 20167 Oct 2016
Conference number: 6
https://www.events.tum.de/?sub=29

Conference

ConferenceThe Science of Making Torque from Wind 2016
Number6
LocationTechnische Universität München (TUM)
CountryGermany
CityMunich
Period05/10/201607/10/2016
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

Keywords

  • Applied fluid mechanics
  • General fluid dynamics theory, simulation and other computational methods
  • Rotational flow, vortices, buoyancy and other flows involving body forces
  • Power and plant engineering (mechanical engineering)
  • Mechanical components
  • Fluid mechanics and aerodynamics (mechanical engineering)
  • Standards and calibration
  • aerodynamics
  • blades
  • calibration
  • computational fluid dynamics
  • vortices
  • wind turbines
  • code validation
  • airfoils
  • passive vortex generators
  • AVATAR project
  • wind turbine blade control devices
  • DU97W300
  • NTUA T18
  • simulation tools
  • engineering-level integral boundary layer tools
  • computational fluid dynamics codes
  • engineering-type tools
  • CFD
  • VG
  • high fidelity tools

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