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Wind tunnel study of the electro-thermal de-icing of wind turbine blades

Mayer C., Ilinca Adrian, Fortin Guy et Perron Jean. Wind tunnel study of the electro-thermal de-icing of wind turbine blades. Dans : Proceedings of the 17th International Offshore and Polar Engineering Conference (ISOPE) , July 1-6, 2007, Lisbon, Portugal.

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Résumé

Most of the wind turbines operating in cold climates are facing icing events but very few of them are equipped with blade de-icing systems. Few studies were performed and published on the characteristics of these de-icing systems. In order to optimize the design and power consumption of an electro-thermal de-icing system for wind turbine blades, an experimental set-up was built and used to test the system under icing conditions in a refrigerated wind tunnel. The parameters of the de-icing control system consider only the convective heat transfer at the blade surface during ice accretion. Meteorological data are those gathered from Murdochville's experimental site in Canada. The blade airfoil is a NACA 63 415 and the icing conditions are scaled to be simulated in the icing wind tunnel section. The results show the relation between the meteorological conditions, the ridge formed by liquid water runback, the heating power and the airfoil surface temperature. The study provides useful data for the design of electro-thermal deicing systems for wind turbine blade application.

Type de document:Matériel de conférence (Non spécifié)
Sujets:Sciences naturelles et génie > Génie > Génie des matériaux et génie métallurgique
Département, module, service et unité de recherche:Départements et modules > Département des sciences appliquées > Module d'ingénierie
Mots-clés:blade, de-icing system, electro-thermal heating, icing, scaling, wind turbine, lame, système de dégivrage, chauffage, glaçage, mise à l'échelle, éolienne électro-thermique
Déposé le:28 janv. 2016 01:18
Dernière modification:09 déc. 2016 13:54
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