Study on Blade Surface Flow around Wind Turbine by Using LDV Measurements

作     者：Tinnapob Phengpom Yasunari Kamada Takao Maeda Junsuke Murata Shogo Nishimura Tasuku Matsuno 

作者机构：Division of System EngineeringMie University Division of Mechanical EngineeringMie University 

出 版 物：《Journal of Thermal Science》 (热科学学报（英文版）)

年 卷 期：2015年第24卷第2期

页      面：131-139页

核心收录：

学科分类：080801[工学-电机与电器] 0808[工学-电气工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学] 

主　　题：LDV measurement Sectional performance Wind turbine Boundary layer flow Span-wise flow 

摘      要：This paper has attempted to study a mechanism of three-dimensional flow around a horizontal axis wind turbine(HAWT) rotor blade. An experimental study of the flow phenomenon in the vicinity of the wind turbine blade is a challenging endeavor. In this research, the HAWT model with 2.4 m diameter was tested in the large wind tunnel. The flow around the rotating blade surface was measured simultaneously for three velocity components, and two probes were used for the synchronized measurement of three-dimensional flow components. The local velocity was detected for the single seeding particle measured in the point where three pairs of laser beams intersected. Blade sections of interest in this study are composed of radial positions r/R = 0.3, 0.5 and 0.7. Optimum and low tip speed ratio flow characteristics were also compared. The velocity flow vector, skin friction coefficient and bound circulation were calculated from LDV measurements, and the experimental research showed reasonably and clearly the experimental results.