LAPSE:2023.32927
Published Article
LAPSE:2023.32927
Optimal Design of Novel Blade Profile for Savonius Wind Turbines
Tai-Lin Chang, Shun-Feng Tsai, Chun-Lung Chen
April 20, 2023
Since the affirming of global warming, most wind energy projects have focused on the large-scale Horizontal Axis Wind Turbines (HAWTs). In recent years, the fast-growing wind energy sector and the demand for smarter grids have led to the use of Vertical Axis Wind Turbines (VAWTs) for decentralized energy generation systems, both in urban and remote rural areas. The goals of this study are to improve the Savonius-type VAWT’s efficiency and oscillation. The main concept is to redesign a Novel Blade profile using the Taguchi Robust Design Method and the ANSYS-Fluent simulation package. The convex contour of the blade faces against the wind, creating sufficient lift force and minimizing drag force; the concave contour faces up to the wind, improving or maintaining the drag force. The result is that the Novel Blade improves blade performance by 65% over the Savonius type at the best angular position. In addition, it decreases the oscillation and noise accordingly. This study achieved its two goals.
Keywords
ANSYS-Fluent, green energy, Renewable and Sustainable Energy, Savonius wind turbines, Taguchi Method, vertical axis wind turbine (VAWT), wind blade
Suggested Citation
Chang TL, Tsai SF, Chen CL. Optimal Design of Novel Blade Profile for Savonius Wind Turbines. (2023). LAPSE:2023.32927
Author Affiliations
Chang TL: The Department of Marine Engineering, National Taiwan Ocean University, Keelung City 202301, Taiwan
Tsai SF: The Department of Marine Engineering, National Taiwan Ocean University, Keelung City 202301, Taiwan
Chen CL: The Department of Marine Engineering, National Taiwan Ocean University, Keelung City 202301, Taiwan
Journal Name
Energies
Volume
14
Issue
12
First Page
3484
Year
2021
Publication Date
2021-06-11
Published Version
ISSN
1996-1073
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PII: en14123484, Publication Type: Journal Article
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LAPSE:2023.32927
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doi:10.3390/en14123484
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Apr 20, 2023
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