This paper presents results from a wind tunnel based examination of the response of a wind turbine blade to tower shadow in head-on flow. In the experiment, one of the blades of a small-scale, two-bladed, downwind turbine was instrumented with miniature pressure transducers to allow recording of the blade surface pressure response through tower shadow. The surface pressures were then integrated to provide the normal force coefficient responses presented in this paper. It is shown that it is possible to reproduce the measured responses using an indicially formulated unsteady aerodynamic model applied to a cosine wake velocity deficit. It is also shown that agreement between the model and the measured data can be improved by careful consideration of the velocity deficit geometry.
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November 2004
Technical Papers
An Investigation of the Aerodynamic Response of a Wind Turbine Blade to Tower Shadow
Xabier Munduate,
Xabier Munduate
Department of Aerospace Engineering, University of Glasgow, Glasgow, G12 8QQ, U.K.
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Frank N. Coton,
Frank N. Coton
Department of Aerospace Engineering, University of Glasgow, Glasgow, G12 8QQ, U.K.
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Roderick A.McD. Galbraith
Roderick A.McD. Galbraith
Department of Aerospace Engineering, University of Glasgow, Glasgow, G12 8QQ, U.K.
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Xabier Munduate
Department of Aerospace Engineering, University of Glasgow, Glasgow, G12 8QQ, U.K.
Frank N. Coton
Department of Aerospace Engineering, University of Glasgow, Glasgow, G12 8QQ, U.K.
Roderick A.McD. Galbraith
Department of Aerospace Engineering, University of Glasgow, Glasgow, G12 8QQ, U.K.
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 Division July 2003; final revision December 2003. Associate Editor: D. Berg.
J. Sol. Energy Eng. Nov 2004, 126(4): 1034-1040 (7 pages)
Published Online: November 18, 2004
Article history
Received:
July 1, 2003
Revised:
December 1, 2003
Online:
November 18, 2004
Citation
Munduate , X., Coton , F. N., and Galbraith, R. A. (November 18, 2004). "An Investigation of the Aerodynamic Response of a Wind Turbine Blade to Tower Shadow ." ASME. J. Sol. Energy Eng. November 2004; 126(4): 1034–1040. https://doi.org/10.1115/1.1765683
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