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Abstract
This study focusses on the coupling effects arising from the changes in the hydrodynamic behaviour of a semi-submersible floating wind turbine when it undergoes large inclinations under wind loading. By means of a range of time-domain simulations, it is shown that both the hull geometric nonlinearity effect and the alteration of viscous hydrodynamic forces can significantly affect the dynamics of a typical floating wind turbine operating in waves at rated conditions. The consequences of said effects for both aligned and misaligned wind and waves are explored. In general terms inclinations are found to increase motions, where the modes that are more affected depend on the relative direction between incident wind and waves. Understanding the sources of aero-hydrodynamic coupling is key to providing sound design and modelling guidelines for the coming generation of floating wind turbines.
Original language | English |
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Pages (from-to) | 83-94 |
Number of pages | 12 |
Journal | Renewable Energy |
Volume | 88 |
Early online date | 5 Dec 2015 |
DOIs | |
Publication status | Published - 1 Apr 2016 |
Keywords
- floating
- inclination
- large-angle
- semi-submersible
- turbine
- wind
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Dive into the research topics of 'The effects of wind-induced inclination on the dynamics of semi-submersible floating wind turbines in the time domain'. Together they form a unique fingerprint.Profiles
Projects
- 1 Finished
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Industrial Doctoral Centre for Offshore Renewable Energy (IDCORE)
EPSRC (Engineering and Physical Sciences Research Council)
1/10/11 → 31/03/22
Project: Research - Studentship