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TECHNICAL PAPERS

Optimization of Wind Turbines Using Helicoidal Vortex Model

[+] Author and Article Information
Jean-Jacques Chattot

University of California at Davis, Department of Mechanical and Aeronautical Engineering, One Shields Ave., Davis, CA 95616-5294e-mail: jjchattot@ucdavis.edu

J. Sol. Energy Eng 125(4), 418-424 (Nov 26, 2003) (7 pages) doi:10.1115/1.1621675 History: Received January 10, 2003; Revised May 28, 2003; Online November 26, 2003
Copyright © 2003 by ASME
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References

Figures

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Partial view of the vortex sheet and mesh system behind a turbine blade
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Betz condition for CTi=0.0032 and CTi=0.205
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Circulation and induced velocities for optimum rotor CTi=0.205
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Chord distribution CTi=0.205
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Twist angle distribution CTi=0.205
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S809 polar-XFOIL Re=500,000
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Comparison of NREL and optimum design chord distributions
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Comparison of NREL and optimum design twist distributions
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Optimum rotors and analysis comparison with NREL rotor
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Sensitivity analysis of the design to thrust at TSR=4.6
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NREL blade working condition
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Comparison of linear chord distribution with optimum distribution
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Comparison of twist distributions
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Optimized linear blade working condition

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