Effect of Yawing on the Near Wake Flow and Stroke of Wind Turbine Machine Nacelle

被引：0

作者：

Liu, Yunong ^{[1
]}

Wang, Xiaodong ^{[1
]}

Chen, Mingyang ^{[1
]}

Kang, Zhong ^{[1
]}

Ye, Zhaoliang ^{[2
]}

机构：

[1] Key Laboratory of Energy Transmission Transformation and System Ministry of Education, North China Electric Power University, Beijing,102206, China

[2] China Huaneng Group Clean Energy Technology Research Institute Co., Ltd., Beijing,102209, China

来源：

Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics | 2022年 / 43卷 / 05期

关键词：

Computational fluid dynamics - Flow velocity - Rotation - Speed - Wheels - Wind turbines;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Nacelle wind speed (NWS) is usually used for power prediction and operation control of horizontal axis wind turbine (HAWT). The wind speed of the nacelle is affected by the short running flow of the wind wheel. There are not many studies on the near-tail flow near the nacelle. Due to the influence of blade rotation, separation flow and nacelle geometry, there is a significant difference in the wind speed and flow velocity of the nacelle, showing a strong non-constant normality. These features are closely related to the operating conditions of the wind wheel. The calculation fluid mechanics (CFD) was used to study near-tail flow in the vicinity of a 2 MW wind turbine machine. The impact of wind wheel yaw and blade rotation on the wind speed change of the nacelle, and the impact of the nacelle clogging and the rotation of the blade for the wind speed of the nacelle. The study found that the disturbance of the blade rotation for the wind speed of the nacelle will make the nacelle wind speed significantly below the wind speed; the blockage of the nacelle will make the nacelle wind speed significantly below the inlet wind speed. Under yaw conditions, the rotation of the blade and the impact of the nacelle clogging for the wind speed of the nacelle have decreased. © 2022, Science Press. All right reserved.

引用

页码：1240 / 1246