Ionic wind induced fine particle removing propeller

A novel ionic wind induced rotating propeller to remove fine particulate matter is developed. Ionic wind generated by corona discharge, which is a non-thermal atmospheric plasma phenomenon, has beed studied for at least one century because of its promising applications such as aerial vehicle, electrostatic precipitation, electronics cooling, and electro-spray. Herein we designed a electrohydrodynamic rotating propeller using pin emitter-to-cylindrical collector discharge system. The propeller rotates due to the air ions produced by the pin emitter attached to the propeller. The air ions not only generate thrust but also charge airborne particles. For the parametric study, the rotational motion was analyzed by varing the height and position of the pin emitter, discharge current, and applied votage by experiment. Computational simuation was also provided to analyze electric field. Finally, the particle removing performance and the flow rate of the rotating propeller was evaluated for industrial application.