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Journal of Applied Fluid Mechanics، جلد ۱۷، شماره ۲، صفحات ۴۴۲-۴۶۰
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عنوان انگلیسی Aerodynamic Performance Investigations of Savonius Twin-rotor Wind Turbines
چکیده انگلیسی مقاله The aim of this study is to evaluate the aerodynamic efficiency of a Savonius vertical-axis wind turbine. The approach used relies on resolving the Unsteady Reynolds Averaged Navier-Stokes equations (URANS), the turbulence being modeled by the k-ω SST model. The flow around the wind turbine is simulated using the arbitrary sliding interfaces technique. First, the study investigates the impact of blade shape on wind turbine efficiency by examining seven Savonius rotors constructed with distinct blade configurations. The results indicate that the highest aerodynamic performance is provided by the rotor with the elliptical blades, with a notable increase in the power coefficient of about 80% in comparison to the classic semi-circular profile. To further enhance the efficiency of the Savonius wind turbine, a twin-rotor configuration using the elliptical blades was studied. The results indicate a further enhancement in the power coefficient, reaching 110% compared to a single rotor with semicircular blades.
کلیدواژه‌های انگلیسی مقاله Vertical axis wind turbine, Savonius, Blade shape, twin-rotor, URANS, SST k-ω Model
نویسندگان مقاله M. Tata |
Center for Renewable Energies Development, CDER, BP 62 Road of the Observatory, Bouzareah, 16340, Algiers, Algeria

A. Bekhti |
Center for Renewable Energies Development, CDER, BP 62 Road of the Observatory, Bouzareah, 16340, Algiers, Algeria

M. Maizi |
Center for Renewable Energies Development, CDER, BP 62 Road of the Observatory, Bouzareah, 16340, Algiers, Algeria

N. O. Cherifi |
Mohamed Bougara University, Technology Faculty, Mechanical Engineering Department, Boumerdes, Algeria

A. Tamoum |
Mohamed Bougara University, Technology Faculty, Mechanical Engineering Department, Boumerdes, Algeria

D. Hamane |
Center for Renewable Energies Development, CDER, BP 62 Road of the Observatory, Bouzareah, 16340, Algiers, Algeria

A. Boudis |
Center for Renewable Energies Development, CDER, BP 62 Road of the Observatory, Bouzareah, 16340, Algiers, Algeria

M. Debbache |
Center for Renewable Energies Development, CDER, BP 62 Road of the Observatory, Bouzareah, 16340, Algiers, Algeria

O. Guerri |
Center for Renewable Energies Development, CDER, BP 62 Road of the Observatory, Bouzareah, 16340, Algiers, Algeria

نشانی اینترنتی https://www.jafmonline.net/article_2356_965e678e46431eea0ad181877e2cadfa.pdf
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