The adoption of blunt trailing edge airfoils for the inboard region of large wind turbine blades has been proposed. Blunt trailing edge airfoils would not only provide a number of structural benefits, such as increased structural volume and ease of fabrication and handling, but they have also been found to improve the lift characteristics of airfoils. Therefore, the incorporation of blunt trailing edge airfoils would allow blade designers to more freely address the structural demands without having to sacrifice aerodynamic performance. Limited experimental data make it difficult for wind turbine designers to consider and conduct tradeoff studies using these section shapes and has provided the impetus for the present analysis of blunt trailing edge airfoils using computational fluid dynamics. Several computational techniques are applied, including a viscous/inviscid interaction method and three Reynolds-averaged Navier-Stokes methods.
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e-mail: kjstandish@ucdavis.edu
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November 2003
Technical Papers
Aerodynamic Analysis of Blunt Trailing Edge Airfoils
K. J. Standish,
e-mail: kjstandish@ucdavis.edu
K. J. Standish
Department of Mechanical and Aeronautical Engineering, University of California, Davis, Davis, CA 95616
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C. P. van Dam
e-mail: cpvandam@ucdavis.edu
C. P. van Dam
Department of Mechanical and Aeronautical Engineering, University of California, Davis, Davis, CA 95616
Search for other works by this author on:
K. J. Standish
Department of Mechanical and Aeronautical Engineering, University of California, Davis, Davis, CA 95616
e-mail: kjstandish@ucdavis.edu
C. P. van Dam
Department of Mechanical and Aeronautical Engineering, University of California, Davis, Davis, CA 95616
e-mail: cpvandam@ucdavis.edu
Contributed by the Solar Energy Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received by the ASME Solar Energy Division February 27, 2003; final revision, July 11, 2003. Associate Editor: D. Berg.
J. Sol. Energy Eng. Nov 2003, 125(4): 479-487 (9 pages)
Published Online: November 26, 2003
Article history
Received:
February 27, 2003
Revised:
July 11, 2003
Online:
November 26, 2003
Citation
Standish, K. J., and van Dam, C. P. (November 26, 2003). "Aerodynamic Analysis of Blunt Trailing Edge Airfoils ." ASME. J. Sol. Energy Eng. November 2003; 125(4): 479–487. https://doi.org/10.1115/1.1629103
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