Design of a passive flow control solution for the mitigation of vortex induced vibrations on wind turbines blade sections as a response to extreme weather events
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- @Article{MARTINALCANTARA:2023:seta,
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author = "Antonio Martin-Alcantara and Valentina Motta and
Andrea Tarantino and Maria Grazia {De Giorgi}",
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title = "Design of a passive flow control solution for the
mitigation of vortex induced vibrations on wind
turbines blade sections as a response to extreme
weather events",
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journal = "Sustainable Energy Technologies and Assessments",
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volume = "56",
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pages = "103053",
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year = "2023",
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ISSN = "2213-1388",
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DOI = "doi:10.1016/j.seta.2023.103053",
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URL = "https://www.sciencedirect.com/science/article/pii/S2213138823000450",
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keywords = "genetic algorithms, genetic programming, Load
alleviation, Passive flow control, Deep stall, Wind
turbine, Microcylinders",
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abstract = "The goal of the present work is to perform exploratory
assessments on the suitability of microcylinder devices
to mitigate wind turbine blade vortex induced vibration
in small cross flow regimes, specially occurring under
adverse weather events. For this purpose, the deep
stall behavior of the NACA0021 has been evaluated for
the first time on a wide range of high angles of attack
(50degree-130degree) by means of CFD assessments, and
the effects of microcylinders have been studied in
terms of the reduction of aerodynamic coefficient
magnitudes and fluctuations. In a first step, the
passive flow control solution at 90degree has been
analyzed for a total number of investigated cases equal
to 15, keeping constant the diameter of the
microcylinders and varying the relative positions of
these devices with respect to the blade. Mitigations of
the load standard deviations between 63percent and
97percent across all the tested angles of attack have
been found. Additionally, genetic programming (GP) was
used to obtain a more general viewpoint of the effect
of the microcylinders on the aerodynamics forces.
Assessments of the flow fields confirm that properly
located microcylinders disrupt the coherent vortical
structures in the wake, responsible for periodic
loading on the blade section",
- }
Genetic Programming entries for
Antonio Martin-Alcantara
Valentina Motta
Andrea Tarantino
Maria Grazia De Giorgi
Citations