【摘 要】
：
The plasma actuation (PA) effect on the snow falling flow was investigated using a plasma electrode with weather resistant design and the natural snow wind facility of the Hokkaido University of Science.NACA0015 test blade with chord length c of 300 mm wa
【机 构】
：
Hokkaido University of Science,Hokkaido 006-8585,Japan;Asahi Rubber Inc.,Saitama 330-0801,Japan
论文部分内容阅读
The plasma actuation (PA) effect on the snow falling flow was investigated using a plasma electrode with weather resistant design and the natural snow wind facility of the Hokkaido University of Science.NACA0015 test blade with chord length c of 300 mm was used.Wind tunnel tests were carried out under the angle of the attack of the blade was fixed at 15 degrees,and the main flow velocity is U=5 m/s.PIV (Particle image velocimetry) measurements were conducted on various PA conditions using natural dry snowflakes as a tracer.When the actuator was driven under the condition of the fundamental frequency of F=50 kHz,and the pulsed modulated frequency f offc/U=1 and Duty ratio (Ratio of plasma ON time to pulse duration time) =1％,movement of snowflakes was controlled the most effectively tested.It was clarified that the fundamental frequency of PA also affects the control of snow flow.Under snowfall conditions,the weather resistant designed plasma electrode has suffered no damage and operated successfully.
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