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TECHNICAL PAPERS

Scaling of Composite Wind Turbine Blades for Rotors of 80 to 120 Meter Diameter

[+] Author and Article Information
Dayton A. Griffin

Global Energy Concepts, LLC, 5729 Lakeview Drive NE, Suite 100, Kirkland, WA 98033e-mail: gec@globalenergyconcepts.com

Michael D. Zuteck

MDZ Consulting, 601 Clear Lake Road, Kemah, TX 77565

J. Sol. Energy Eng 123(4), 310-318 (Jul 01, 2001) (9 pages) doi:10.1115/1.1413215 History: Received March 01, 2001; Revised July 01, 2001
Copyright © 2001 by ASME
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References

Griffin, D. A., 2001, “WindPACT Turbine Design Scaling Studies Technical Area 1-Composite Blades for 80- to 120-Meter Rotor,” NREL/SR-500-29492, National Renewable Energy Lab., Golden CO.
Malcolm, D. J., and Hansen, A. C., 2001, “Results from the WindPACT Rotor Design Study,” Proc. Windpower 2001, American Wind Energy Association, Washington D.C.
Harrison, R., and Jenkins, G., 1994, “Cost Modeling of Horizontal Axis Wind Turbines,” for ETSU W/34/00170/REP, Univ. of Sunderland.
Giguere, P., and Selig, M. S., 2000, “Blade Geometry Optimization for the Design of Wind Turbine Rotors,” Proc. of AIAA/ASME Wind Energy Symp. Reno NV, pp. 266–276.
Tangler, J. L., and Somers, D. M., 1995, “NREL Airfoil Families for HAWTs,” Proc. Windpower 1995, American Wind Energy Association, Washington D.C., pp. 117–128.
Eppler, R., and Somers, D. M., 1980, “A Computer Program for the Design and Analysis of Low-Speed Airfoils,” NASA TM-80210, National Aeronautics and Space Administration.
Selig, M. S., and Tangler, J. L., 1994, “A Multipoint Inverse Design Method for Horizontal Axis Wind Turbines,” NREL/CP-500-16336, National Renewable Energy Lab., Golden CO.
Sommer J., 2000, Laminate test data, faxed private communication, May 12.
Mandell, J. F., and Samborsky, D. D., 1997, “DOE/MSU Composite Material Fatigue Database: Test Methods, Materials, and Analysis,” SAND97-3002, Sandia National Lab., Albuquerque NM.
International Electrotechnical Commission, 1999, “IEC 61400-1: Wind Turbine Generator Systems-Part 1: Safety Requirements, 2nd Edition, International Standard 1400-1.”
Germanischer, L., 1999, “Rules and Regulations IV-Non-Marine Technology, Part 1-Wind Energy, Regulation for the Certification of Wind Energy Conversion Systems,” published by Germanischer Lloyd, Hamburg, Germany.
Global Energy Concepts, LLC, 2000, Database of blade specifications for megawatt scale turbines, from a combination of published and non-published sources.

Figures

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WindPACT studies concerning composite blade design and manufacture
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Airfoils used for baseline blade model
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Arrangement of baseline structural model
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Example curve fit of flapwise bending stiffness
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PROPID near-optimal planform (at TSRDesign=7), with linear variations
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Effect of planform on rotor CPmax
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cmax for commercial blades
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Gravity effects on blade edge loads
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Comparison of modeled weights with commercial blade data
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Effect of inboard t/c on blade weight

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