2003
DOI: 10.1002/we.101
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Viscous and Aeroelastic Effects on Wind Turbine Blades. The VISCEL Project. Part II: Aeroelastic Stability Investigations

Abstract: The recent introduction of ever larger wind turbines poses new challenges with regard to understanding the mechanisms of unsteady flow-structure interaction. An important aspect of the problem is the aeroelastic stability of the wind turbine blades, especially in the case of combined flap/lead-lag vibrations in the stall regime. Given the limited experimental information available in this field, the use of CFD techniques and state-of-the-art viscous flow solvers provides an invaluable alternative towards the i… Show more

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Cited by 53 publications
(69 citation statements)
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“…Some earlier studies involved the flap/lead-lag stability analysis based on eigenvalue problem [9] and stability control based on fuzzy PID algorithm and LQR controller [10], with the actual analyzed structure being single blade section. Members of our group investigated a variety of methods of intelligent control for flap/lead-lag flutter, also based on single blade section [2].…”
Section: Introductionmentioning
confidence: 99%
“…Some earlier studies involved the flap/lead-lag stability analysis based on eigenvalue problem [9] and stability control based on fuzzy PID algorithm and LQR controller [10], with the actual analyzed structure being single blade section. Members of our group investigated a variety of methods of intelligent control for flap/lead-lag flutter, also based on single blade section [2].…”
Section: Introductionmentioning
confidence: 99%
“…Μαζί με τις μεθόδους ισχυρής σύζευξης είναι ο μοναδικός αποτελεσματικός τρόπος υπολογισμού ροής σε κατάσταση απώλειας στήριξης χωρίς επίλυση των εξισώσεων Navier-Stokes. Reynolds Averaged Navier Stokes εξισώσεων για τον υπολογισμό των αεροδυναμικών φορτίων με σκοπό τη χρήση τους σε αεροελαστικούς υπολογισμούς εμφανίζονται σε πολύ πρόσφατες εργασίες [17] και [99].…”
Section: ίί)unclassified
“…Γενικά σε περιπτώσεις που εξετάζονται δισδιάστατα μοντέλα δεν είναι αναγκαία η χρήση της έννοιας του κινούμενου πλέγματος. Ωστόσο στην εργασία [17] σε έναν από τους υπολογισμούς χρησιμοποιείται αυτή η μέθοδος ενώ στη [46] χρησιμοποιείται ένα απλοποιημένο μοντέλο κινούμενου αλλά μη παραμορφώσιμου πλέγματος.…”
Section: σύζευξη των μοντέλων δομής και ροήςunclassified
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