A site-specific design of a fixed-pitch fixed-speed wind turbine blade with multiple airfoils as design variable

This study seeks to optimize a fixed-pitch fixed speed wind turbine blade's performance using the chord, twist and the use of 3 different airfoils with varying relative thickness as design variables for the maximization of the Annual Energy Production for the wind profile of Roswell NM. A basel...

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Bibliographic Details
Published inInternational journal of energy and environment Vol. 6; no. 3; p. 287
Main Authors Del Valle-Carrasco, Arturo, Valles-Rosales, Delia J, Mendez, Luis C, Alvarado-Iniesta, Alejandro
Format Journal Article
LanguageEnglish
Published Al-Najaf International Energy and Environment Foundation (IEEF) 01.05.2015
Subjects
Airfoils
Blades
Design engineering
Design optimization
Efficiency
Energy
Energy use
Mathematical models
Matlab
Scripts
Turbines
Variables
Wind power
Wind turbines
United States > US
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Summary:This study seeks to optimize a fixed-pitch fixed speed wind turbine blade's performance using the chord, twist and the use of 3 different airfoils with varying relative thickness as design variables for the maximization of the Annual Energy Production for the wind profile of Roswell NM. A baseline design of the blade starts with a replica of the phase VI blade utilized in a NASA-Ames experiment and a Matlab script utilizes the Blade Element Momentum Theory for the aerodynamic analysis. The SQP method for local search are used to exploit the model utilizing the phase VI design as a starting point which contains the S809 airfoil with a 0.21 relative thickness for the complete blade. Optimization results reduced the relative thickness of the airfoils to 0.17 and an increase of 36% in energy production was observed using this method.
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ISSN:2076-2895
2076-2909