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Analysis of Blunt Trailing Edge Airfoils

[+] Author Affiliations
K. J. Standish, C. P. van Dam

University of California at Davis, Davis, CA

Paper No. WIND2003-353, pp. 32-42; 11 pages
doi:10.1115/WIND2003-353
From:
  • ASME 2003 Wind Energy Symposium
  • ASME 2003 Wind Energy Symposium
  • Reno, Nevada, USA, January 6–9, 2003
  • Conference Sponsors: ASME
  • ISBN: 1-56347-594-4
  • Copyright © 2003 by Standish and van Dam

abstract

The adoption of blunt trailing edge airfoils for the inner regions of large wind turbine blades has been proposed. Blunt trailing edge airfoils would not only provide increased structural volume, but have also been found to improve the lift characteristics of airfoils and therefore allow for section shapes with a greater maximum thickness. Limited experimental data makes it difficult for wind turbine designers to consider and conduct tradeoff studies using these section shapes. This lack of experimental data precipitated the present analysis of blunt trailing edge airfoils using computational fluid dynamics. Several computational techniques are applied including a viscous/inviscid interaction method and several Reynolds-averaged Navier-Stokes methods.

Copyright © 2003 by Standish and van Dam
Topics: Airfoils

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