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      Aerodynamic Behavior of a Floating Offshore Wind Turbine

      research-article
      * , * ,
      AIAA Journal
      American Institute of Aeronautics and Astronautics
      Blade Element Momentum Theory, Wind Turbine, blade element momentum theory, rotor blades, wind turbine, wind turbine aerodynamics, wind turbine wake, wind turbines, NREL, National Renewable Energy Laboratory, CFD simulations, computational fluid dynamics simulations, numerical simulation, aerodynamic loads, aerodynamics, dynamic stall, freestream velocity, lifting line method, lifting line theory, Reynolds-averaged Navier-Stokes, pressure coefficient, aerodynamic performance, aerodynamic performances, angle of attack, angles of attack, Vortex, vortex, vortices, helicopter, helicopter rotors, helicopters, helicopters rotor, blade-vortex interaction, blade-vortex interactions, blade pitch, blade pitch control

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          Abstract

          The flowfield around the rotor blades of a wind turbine is extremely complex due to the occurrence of several aerodynamic phenomena. It is all the more true for floating offshore wind turbines (FOWTs), for which the six rigid-body motions of the floating platform can induce blade–wake interactions. Therefore conventional numerical approaches for wind turbine applications, such as Blade Element Momentum Theory, may be questionable for an accurate prediction of floating wind turbine aerodynamic loads. Consequently, the current paper investigates the aerodynamic behavior of an FOWT subjected to several idealized prescribed motions, representative of a wave movement, based on computational fluid dynamics simulations. These results, obtained on the NREL 5-MW wind turbine, are compared with previous results found in the literature and analyzed to provide a better understanding of the involved aerodynamic phenomena.

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          Most cited references25

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          Definition of a 5-MW Reference Wind Turbine for Offshore System Development

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            The OneraelsACFD software: input from research and feedback from industry

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              Characterization of the unsteady aerodynamics of offshore floating wind turbines

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                Author and article information

                Conference
                aiaaj
                AIAA Journal
                AIAA Journal
                American Institute of Aeronautics and Astronautics
                1533-385X
                18 May 2020
                September 2020
                : 58
                : 9
                : 3835-3847
                Affiliations
                ONERA–The French Aerospace Lab , F-92190 Meudon, France
                Author notes
                [*]

                Research Scientist, Department of Aerodynamics, Aeroelasticity, and Acoustics.

                [†]

                Intern, Department of Aerodynamics, Aeroelasticity, and Acoustics.

                Article
                J059255 J059255
                10.2514/1.J059255
                7a371889-25cb-440f-829a-25f626626920
                Copyright © 2020 by ONERA. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. All requests for copying and permission to reprint should be submitted to CCC at www.copyright.com; employ the eISSN 1533-385X to initiate your request. See also AIAA Rights and Permissions www.aiaa.org/randp.
                History
                : 20 November 2019
                : 14 April 2020
                : 19 April 2020
                Page count
                Figures: 21, Tables: 1
                Categories
                Regular Articles
                p2263, Fluid Dynamics
                p2177, Energy
                p2228, Aerospace Sciences
                p2073, Aeronautics
                p2132, Aircraft Operations and Technology
                p3291, Wind Turbine
                p31718, Energy Research and Development
                p3282, Computational Fluid Dynamics
                p1804, Aerodynamics
                p2263, Fluid Dynamics
                p20543, Aerodynamic Performance
                p1973, Vortex Dynamics
                p1834, Helicopters
                p1835, Helicopter Dynamics
                p1809, Flight Mechanics

                Engineering,Physics,Mechanical engineering,Space Physics
                lifting line theory,blade pitch control,blade element momentum theory,CFD simulations,lifting line method,helicopters rotor,freestream velocity,computational fluid dynamics simulations,dynamic stall,aerodynamics,wind turbine,numerical simulation,aerodynamic loads,helicopters,Blade Element Momentum Theory,rotor blades,helicopter rotors,blade pitch,helicopter,wind turbine aerodynamics,vortices,vortex,Wind Turbine,wind turbine wake,Vortex,blade-vortex interactions,angles of attack,wind turbines,angle of attack,aerodynamic performances,NREL,aerodynamic performance,blade-vortex interaction,pressure coefficient,National Renewable Energy Laboratory,Reynolds-averaged Navier-Stokes

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