Maximum efficiency of wind turbine rotors using Joukowsky and Betz approaches

On the basis of the concepts outlined by Joukowsky nearly a century ago, an analytical aerodynamic optimization model is developed for rotors with a finite number of blades and constant circulation distribution. In the paper, we show the basics of the new model and compare its efficiency with result...

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Bibliographic Details
Published in:Journal of fluid mechanics 2010-04, Vol.649, p.497-508
Main Authors: OKULOV, V. L., SØRENSEN, J. N.
Format: Article
Language:English
Subjects:
Aerodynamics
Applied sciences
Blades
Circulation distribution
Energy
Exact sciences and technology
Fluid mechanics
Mathematical analysis
Natural energy
Optimization
Rotors
Turbines
Wind energy
Wind power
Wind tunnels
Wind turbines
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Summary:On the basis of the concepts outlined by Joukowsky nearly a century ago, an analytical aerodynamic optimization model is developed for rotors with a finite number of blades and constant circulation distribution. In the paper, we show the basics of the new model and compare its efficiency with results for rotors designed using the optimization model of Betz.
ISSN:0022-1120
1469-7645
DOI:10.1017/S0022112010000509