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Energies 2012, 5(4), 968-1000; doi:10.3390/en5040968

Analysis of the Induction and Wake Evolution of an Offshore Floating Wind Turbine

Department of Mechanical and Industrial Engineering, University of Massachusetts, 160 Governors Drive, Amherst, MA 01003-9265, USA
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Received: 3 February 2012 / Revised: 29 March 2012 / Accepted: 9 April 2012 / Published: 17 April 2012
(This article belongs to the Special Issue Wind Turbines)

Abstract

The degrees-of-freedom associated with offshore floating wind turbines (OFWTs) result in a more dynamic flow field. The resulting aerodynamic loads may be significantly influenced by these motions via perturbations in the evolving wake. This is of great interest in terms of OFWT design, placement and simulation. This study presents free vortex wake method (FVM) simulations of the NREL 5-MW wind turbine of a variety of platforms, operating in a range of wind speeds synthesized platform motion time series. Motion-induced wake perturbations are observed to affect induction. Transitions between windmill and propeller states are also observed.
Keywords: offshore floating wind turbine; free vortex wake method; wake evolution offshore floating wind turbine; free vortex wake method; wake evolution
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Sebastian, T.; Lackner, M. Analysis of the Induction and Wake Evolution of an Offshore Floating Wind Turbine. Energies 2012, 5, 968-1000.

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