Studies on a low Reynolds number airfoil for small wind turbine applications

In contrast to large horizontal axis wind turbines （HAWTs） that are located in areas dictated by optimum wind conditions, small wind turbines are required for producing power without necessarily the best wind conditions. A low Reynolds number airfoil was designed after testing a number of low Reynol...

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Bibliographic Details
Published in:Science China Technological Sciences 2011-07, Vol.54 (7), p.1684-1688
Main Authors: Wata, Joji, Faizal, Mohammed, Talu, Boniface, Vanawalu, Lesia, Sotia, Puamau, Ahmed, M. Rafiuddin
Format: Article
Language:English
Subjects:
Aerodynamics
Airfoils
Engineering
Fluid flow
Horizontal Axis Wind Turbines
Low Reynolds number
Reynolds number
Wind power generation
Wind turbines
低雷诺数
压力分布
小型风力发电机组
应用
空气动力特性
翼型
阻力系数
风洞实验
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Summary:In contrast to large horizontal axis wind turbines （HAWTs） that are located in areas dictated by optimum wind conditions, small wind turbines are required for producing power without necessarily the best wind conditions. A low Reynolds number airfoil was designed after testing a number of low Reynolds number airfoils and then making one of our own; it was tested for use in small HAWTs. Studies using XFOIL and wind tunnel experiments were performed on the new airfoil at various Reynolds numbers. The pressure distribution, Cpthe lift and drag coefficients, CL and CD, were studied for varying angles of attack, α. It is found that the airfoil can achieve very good aerodynamic characteristics at different Reynolds numbers and can be used as an efficient airfoil in small HAWTs.
ISSN:1674-7321
1869-1900
1862-281X
DOI:10.1007/s11431-011-4411-3