Power Augmentation Effects of a Horizontal Axis Wind Turbine With a Tip Vane—Part 2: Flow Visualization

[+] Author and Article Information
Yukimaru Shimizu

Department of Mechanical Engineering, Mie University, Kamihama-cho, Tsu-shi, Mie-ken, 514, Japan

Takaya Yoshikawa

Nippon Spark Plug Co., Ltd.

Shinji Matsumura

Mitsubishi Motors Co., Ltd., Shiga-Factory

J. Fluids Eng 116(2), 293-297 (Jun 01, 1994) (5 pages) doi:10.1115/1.2910269 History: Received December 05, 1990; Revised November 18, 1993; Online May 23, 2008


This paper presents a discussion of the physics of the flow discussed in our first report (Shimizu, Y. et al., 1990). By visualizing the flow around the tip vane, the following results were drawn: 1) The strength of the tip vortex, the induced drag and turbulence on the blade tip can be diminished with a tip vane. 2) The inflow rate to the rotary surface of wind turbine can be increased with the tip vane.

Copyright © 1994 by The American Society of Mechanical Engineers
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