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TECHNICAL PAPERS

An Investigation of the Aerodynamic Response of a Wind Turbine Blade to Tower Shadow

[+] Author and Article Information
Xabier Munduate, Frank N. Coton, Roderick A.McD. Galbraith

Department of Aerospace Engineering, University of Glasgow, Glasgow, G12 8QQ, U.K.

J. Sol. Energy Eng 126(4), 1034-1040 (Nov 18, 2004) (7 pages) doi:10.1115/1.1765683 History: Received July 01, 2003; Revised December 01, 2003; Online November 18, 2004
Copyright © 2004 by ASME
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References

Powles,  S. R. J., 1983, “Effects of Tower Shadow on the Dynamics of a Horizontal-Axis Wind Turbine,” Wind Eng., 7, (1).
Robinson, M. C., Galbraith, R.A.McD., Shipley, D. E., and Miller, M. S., 1995, “Unsteady Aerodynamics of Wind Turbines,” 33rd AIAA Aerospace Sciences Meeting, Reno.
Horner, M. B., Galbraith, R. A. McD., Coton, F. N., Grant, I., Stewart, J. N., and De La Iglesia Moreno, F., 1995, “A Descriptive Model of the Flows Underlying the Impulsive Loading Produced by Blade-vortex Interaction,” Wind Energy 1995-14th ASME/ETCE Wind Energy Symposium, Houston, Texas, pp. 175–184.
Thresher,  R. W., Wright,  A. D., and Hershberg,  E. L., 1986, “A Computer Analysis of Wind Turbine Blade Dynamic Loads,” ASME J. Sol. Energy Eng., 108(1), pp. 17–25.
Petersen, H., 1984, “Calculations on the DWT Wind Turbine,” Proc. 6th BWEA Conference, Reading, UK.
Munduate, X., and Coton, F. N., 2000, “Identification of Dynamic Stall Regions on Horizontal Axis Wind Turbines,” 19th ASME Wind Energy Symposium, AIAA paper 2000-0039, Reno.
Snyder, M. H., and Wentz, W. H., Jr., 1981, “Dynamics of Wakes Downstream of Wind Turbine Towers,” NASA-CP-2185.
Savino, J. M., and Wagner, L. H., 1976, “Wind Tunnel Measurements of the Tower Shadow on Models of the ERDA/NASA 100 Kw Wind Turbine Tower,” NASA TM-X-73548.
Simms, D., Schreck, S., Hand, M., and Fingersh, L. J., 2001, “NREL Unsteady Aerodynamics Experiment in the NASA-Ames Wind Tunnel: A Comparison of Predictions to Measurements,” NICH Report No. TP-500-29494.
Hansen, A. C., 1992, “Yaw Dynamics of Horizontal Axis Wind Turbines,” NREL/TP-442-4822, National Renewable Energy Labs, U.S.
Wang,  T., and Coton,  F. N., 1999, “An Unsteady Aerodynamic Model for HAWT Performance Including Tower Shadow Effects,” Wind Eng., 23, pp. 255–268.
Wang,  T., and Coton,  F. N., 2001, “A High Resolution Tower Shadow Model for Downwind Wind Turbines,” J. Wind. Eng. Ind. Aerodyn., 89, pp. 873–892.
Duque, E. P. N., van Dam, C. P., and Hughes, S. C., 1998, “Navier-Stokes Simulations of the NREL Combined Experiment Phase II rotor,” 17th ASME Wind Energy Symposium, Reno.
Leishman, J. G., 2002, “Challenges in Modeling the Unsteady Aerodynamics of Wind Turbines,” 21st ASME Wind Energy Symposium, Reno.
Wang,  T., and Coton,  F. N., 2000, “Numerical Simulation of Wind Tunnel Wall Effects on Wind Turbine Flows,” Wind Energy, 3(3), pp. 135–148.
Munduate,  X., and Coton,  F. N., 2000, “An Aerodynamic Method for the Preliminary Design of Horizontal Axis Wind Turbines,” Acta Politecnica-The Journal of Advanced Engineering Design, 40(1), pp. 59–65.
von Karman,  T., and Sears,  W., 1938, “Airfoil Theory for Non-uniform Motion,” J. Aeronaut. Sci., 5(10), pp. 379–390.
Sears,  W. R., and Sparks,  B. O., 1941, “On the Reaction of an Elastic Wing to Vertical Gusts,” J. Aeronaut. Sci., 9(2), pp. 64–71.

Figures

Grahic Jump Location
Basic Tower-Shadow Parameters
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Upper Surface Response During Tower Shadow
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Lower Surface Response During Tower Shadow
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Cn and Cm Response During Tower Shadow
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Comparison of Steady Model with Measured data
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Comparison of Unsteady Model with Measured Data (W=9 m/s)
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Comparison of Unsteady Model with Measured Data (W=11 m/s)
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Comparison of Unsteady Model with Measured Data (W=11.7 m/s)
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Effect of Tower-Shadow Geometry on Predicted Response (W=11.7 m/s)

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