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Vertical Axis Wind Turbines: The Behavior of Lift and Drag Airfoils

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dc.contributor.author BOSTAN, Viorel
dc.contributor.author BOSTAN, Ion
dc.contributor.author RABEI, Ivan
dc.contributor.author DULGHERU, Valeriu
dc.contributor.author CIUPERCA, Rodion
dc.date.accessioned 2022-05-11T06:12:18Z
dc.date.available 2022-05-11T06:12:18Z
dc.date.issued 2019
dc.identifier.citation BOSTAN, Viorel, BOSTAN, Ion, RABEI, Ivan et al. Vertical Axis Wind Turbines: The Behavior of Lift and Drag Airfoils. In: Solar Energy Conversion in Communities: proc. Conference for Sustainable Energy (CSE) 2020, 2020, Brasov, Romania, 2020, pp. 195-206. ISBN 978-3-030-55757-7. en_US
dc.identifier.isbn 978-3-030-55757-7
dc.identifier.uri https://doi.org/10.1007/978-3-030-55757-7_14
dc.identifier.uri http://repository.utm.md/handle/5014/20254
dc.description Acces full text - https://doi.org/10.1007/978-3-030-55757-7_14 en_US
dc.description.abstract The blade is the most important element of a wind turbine, as it is the component that largely governs the productivity and it is the main source of efficiency optimization. A blade is defined by the airfoil type. This paper addresses three different airfoil types tested for different wind conditions. The versions considered are: the symmetrical NACA 0018 airfoil, the asymmetrical FX 63-137 airfoil---both of lift type and one drag type of scoop shape. Based on these versions, three sets of blades were obtained and used to form three vertical axis wind turbines which were tested in a wind tunnel. Except for the blade's airfoil, all rotors had the same key parameters which refer to: rotor's swept area, number of blades, height, diameter, aspect ratio, blade length, chord length, solidity and pitch angle. As expected for low wind speeds, the scoop bladed turbine showed significantly higher efficiency than the other two versions. It was also noticed that the performance is not influenced by the curvature position that can be oriented either radially inward or outward in relation to the rotor's axis. For higher wind speeds the FX 63-137 turbine's efficiency increased dramatically while NACA 0018 turbine displayed weak performance in all cases. en_US
dc.language.iso en en_US
dc.publisher Springer International Publishing en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject vertical axis wind turbines en_US
dc.subject wind turbines en_US
dc.subject drag type blades en_US
dc.subject lift type blades en_US
dc.subject blades en_US
dc.title Vertical Axis Wind Turbines: The Behavior of Lift and Drag Airfoils en_US
dc.type Article en_US


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Attribution-NonCommercial-NoDerivs 3.0 United States Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 3.0 United States

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