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Journal of Applied Fluid Mechanics، جلد ۱۸، شماره ۱۰، صفحات ۲۴۸۸-۲۵۰۳
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Analysis of a New Blade Design for a Vertical Axis Wind Turbine Called Flow Concentrator
چکیده انگلیسی مقاله There is wind energy in urban and rural areas that is not being used sufficiently; since the wind in these areas tends to be turbulent and slow. For this reason, this study is focused on the design and analysis of a vertical axis wind turbine based on the Darrieus type, which seeks to improve self-starting, since it is one of the main problems of this type of turbine. To achieve this, the study focuses on the first stage of self-starting, also known as static torque, which occurs at an angular velocity close to zero. This stage is essential for reaching the second stage of self-starting, known as dynamic torque. To do this, a two-blade 9W Darrieus-type turbine is designed and compared with the new blade design called “flow concentrator” considering the maximum height, maximum diameter, and chord of both as constants. The analysis is performed using the Double-multiple stream tube theorem (DMST), computational fluid dynamics (CFD), and by carrying out experimental tests. The results obtained are analyzed at different wind speeds, from 3 to 8 m/s, and at different azimuthal angle positions (0°, +45°, -45°, 90°), where a considerable improvement in self-starting of up to 100% is observed in its most optimal position.
کلیدواژه‌های انگلیسی مقاله Self-start,Wind tunnel test,Double-multiple stream tube theorem,Micro-turbines,Computational fluid dynamics
نویسندگان مقاله M. A. Carlos Alberto |
Michoacana University of Saint Nicolás of Hidalgo, Morelia, Michoacán C.P. 58000, Mexico

L. G. Victor |
Michoacana University of Saint Nicolás of Hidalgo, Morelia, Michoacán C.P. 58000, Mexico

C. F. Christian |
Michoacana University of Saint Nicolás of Hidalgo, Morelia, Michoacán C.P. 58000, Mexico

H. A. Isaac |
National Institute of Technology of Mexico, Santiago de Querétaro, Querétaro C.P. 76000, Mexico

V. P. Miriam |
Michoacana University of Saint Nicolás of Hidalgo, Morelia, Michoacán C.P. 58000, Mexico

E. M. Marco Antonio |
Michoacana University of Saint Nicolás of Hidalgo, Morelia, Michoacán C.P. 58000, Mexico

نشانی اینترنتی https://www.jafmonline.net/article_2727_62a42e7e3f3fffc7b5c08b1b67aa5533.pdf
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