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  • Castellani, Francesco, et al. (author)
  • Aerodynamic Analysis of a Wind-Turbine Rotor Affected by Pitch Unbalance
  • 2021
  • In: Energies. - : MDPI AG. - 1996-1073. ; 14:3
  • Journal article (peer-reviewed)abstract
    • The aerodynamics of a rotor with pitch imbalance has been investigated experimentally and numerically in the present work. The comparison of mean velocity and turbulence intensity in the balanced and unbalanced cases indicated that a pitch imbalance modifies both the mean velocity and the turbulent activity; the latter is weakly increased by the imbalance. Spectral analysis indicated that the dynamics of the wake is also affected by the pitch imbalance since the tip vortices loose strength and disorganise more quickly than in the balanced case. The pitch imbalance has, however, a detrimental effect on the power coefficient and it affects the thrust coefficient as well. Only the blade affected by the imbalance shows significant modifications of the applied load, while the other blades operate with the same loading conditions.
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  • Result 1-1 of 1
Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Segalini, Antonio (1)
Castellani, Francesc ... (1)
Eltayesh, Abdelgalil (1)
Becchetti, Matteo (1)
University
Royal Institute of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Engineering and Technology (1)
Year
2021 (1)

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