Effect of turbulence on power performance of a Horizontal Axis Wind Turbine in yawed and no-yawed flow conditions

被引：37

作者：

Li, Qing'an ^{[1
]}

Kamada, Yasunari ^{[1
]}

Maeda, Takao ^{[1
]}

Murata, Junsuke ^{[1
]}

Yusuke, Nishida ^{[1
]}

机构：

[1] Mie Univ, Div Mech Engn, 1577 Kurimamachiya Cho, Tsu, Mie 5148507, Japan

来源：

ENERGY | 2016年 / 109卷

关键词：

Horizontal Axis Wind Turbine (HAWT); Wind energy; Turbulence intensity; Boundary layer; Power coefficient; AERODYNAMIC LOAD; BLADE; STALL; TUNNEL; AIRFOIL; FIELD; WAKE; OPTIMIZATION; SECTION; DESIGN;

D O I：

10.1016/j.energy.2016.05.078

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The purpose of this study was to investigate the effect of turbulence on the power performance at the yawed and no-yawed flow conditions, focusing on the turbulence intensities and boundary layer in wind tunnel experiments. In this study, UMY02-T01-26 airfoil was developed, based on the body type of large aquatic animals. Turbulence inflow was generated by an active turbulence grid. Boundary layer was simulated by a boundary layer tape attached on the rotor surface. Furthermore, the fluctuations of power coefficient against the tip speed ratio were examined during rotation. From the experiments, it could be found that the power coefficients decreased in the case of the extremely low turbulence intensity of TI = 0.50%. However, the power coefficients had a significant improvement in the high turbulence intensity of TI = 10.0%. Moreover, in the case of the yaw angle of phi = 30 degrees, the power coefficients showed larger values than those of phi = 0 degrees at the low tip speed ratio ranges of 1.5 < lambda < 2.5. Therefore, the developed wind turbine model could exhibit sufficient performance at the Reynolds numbers of Re = 1.5 and 2.0 x 10(5) in the natural wind condition. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：703 / 711

页数：9

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