Wind Tunnel Experimental Study on the Efficiency of Vertical-Axis Wind Turbines via Analysis of Blade Pitch Angle Influence

被引:4
|
作者
Szczerba, Zygmunt [1 ]
Szczerba, Piotr [1 ]
Szczerba, Kamil [1 ]
Szumski, Marek [1 ]
Pytel, Krzysztof [2 ]
机构
[1] Rzeszow Univ Technol, Fac Mech Engn & Aeronaut, Al Powstancow Warszawy 12, PL-35959 Rzeszow, Poland
[2] AGH Univ Sci & Technol, Fac Mech Engn & Robot, Al A Mickiewicza 30, PL-30059 Krakow, Poland
关键词
vertical-axis wind turbine; blade pitch angle of wind turbine; aerodynamic characteristics; experimental analysis; measurements; AERODYNAMIC PERFORMANCE; POWER; OPTIMIZATION;
D O I
10.3390/en16134903
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This paper presents results of experimental investigations and numerical simulations of a vertical-axis H-type wind turbine, considering the influence of propeller blade pitch angle on turbine characteristics. An innovative airfoil profile based on a modified symmetric NACA0015 airfoil profile was used as the designed blade profile, which was tested in a wind tunnel over a range of Reynolds numbers from 50,000 to 300,000. The phenomenon of angle-of-attack variation and the resulting forces acting on the blades, particularly in the horizontal configuration and vertical axis of rotation, were discussed. Series of experiments were conducted on a 1:1 scale four-bladed turbine model in the wind tunnel to determine the characteristics, specifically the power coefficient distribution over the tip speed ratio for various Reynolds numbers and blade pitch angles. Subsequently, the turbine was modeled using Qblade software, and a series of calculations were performed under the same conditions. The numerical results were validated with the experimental data.
引用
收藏
页数:21
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