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TECHNICAL PAPERS

Effect of Mean Stress on the Damage of Wind Turbine Blades

[+] Author and Article Information
Herbert J. Sutherland

Sandia National Laboratories,* Albuquerque, NM 87185-0708

John F. Mandell

Montana State University, Bozeman, MT 59717

J. Sol. Energy Eng 126(4), 1041-1049 (Nov 18, 2004) (9 pages) doi:10.1115/1.1785160 History: Received January 29, 2004; Revised May 06, 2004; Online November 18, 2004
Copyright © 2004 by ASME
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References

Figures

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Goodman Diagrams (a) Linear Goodman Diagram (b) Bi-Linear Goodman Diagram (c) MSU/DoE Goodman Diagram for Thirteen R-Values for Database Material DD16, Fit with Equation 3
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The Micon 65/13M turbine at the Bushland Test Site
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Distribution of the 10-minute Data Records by Hub-Height Mean Wind Speed for the Bushland Turbine
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Fatigue Load Spectrum for the 11-13 m/s Wind Speed bin for the Bushland Turbine (a) Edge-Bending in the Root of Blade 1 (b) Flap-Bending in the Root of Blade 2
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Distribution of Data Records Used in the Analysis by Wind Speed Bin for the ART
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Typical Fatigue Spectra for Root Bending Moments, >17 m/s Wind Speed Bin for the ART (a) Edgewise Bending Moment (b) Flatwise Bending Moment
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Equivalent Fatigue Loads for the Bushland Turbine on the Tensile Bending Side (a) Edgewise Bending Moment (b) Flapwise Bending Moment
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Equivalent Fatigue Loads for the ART on the Tensile Bending Side (a) Edgewise Bending Moment (b) Flapwise Bending Moment
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Comparison of the EFL on the Tensile and Compressive Sides for the MSU/DoE Goodman Diagram (a) EFL for the Bushland Turbine (b) EFL for the ART
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Comparison of the Three Goodman Diagrams at 105 Cycles

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