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Energies 2012, 5(9), 3425-3449; doi:10.3390/en5093425
Review

Wind Turbine Blade Design

*  and
Faculty of Engineering, Division of Materials, Mechanics and Structures, University of Nottingham, University Park, Nottingham NG7 2RD, UK
* Author to whom correspondence should be addressed.
Received: 23 April 2012 / Revised: 21 June 2012 / Accepted: 30 August 2012 / Published: 6 September 2012
(This article belongs to the Special Issue Wind Turbines)
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Abstract

A detailed review of the current state-of-art for wind turbine blade design is presented, including theoretical maximum efficiency, propulsion, practical efficiency, HAWT blade design, and blade loads. The review provides a complete picture of wind turbine blade design and shows the dominance of modern turbines almost exclusive use of horizontal axis rotors. The aerodynamic design principles for a modern wind turbine blade are detailed, including blade plan shape/quantity, aerofoil selection and optimal attack angles. A detailed review of design loads on wind turbine blades is offered, describing aerodynamic, gravitational, centrifugal, gyroscopic and operational conditions.
Keywords: wind turbine; blade design; Betz limit; blade loads; aerodynamic wind turbine; blade design; Betz limit; blade loads; aerodynamic
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Schubel, P.J.; Crossley, R.J. Wind Turbine Blade Design. Energies 2012, 5, 3425-3449.

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