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압전 세라믹 진동자를 이용한 초음파 분무기의 분무 특성
배상태,이수호,석정영,김철환,사공건,Bae, Sang-Tae,Lee, Su-Ho,Sug, Jeong-Young,Kim, Cheol-Hwan,SaGong, Geon 한국전기전자재료학회 2009 전기전자재료학회논문지 Vol.22 No.5
The conventional ultrasonic nozzle produces a mist by applying an ultrasonic vibration into a non-flowering liquid. In this paper, we first present a novel designed nozzle type sprayer that is able to apply an ultrasonic vibration directly to the moving liquid and generate a mist instantly. For the novel nozzle, a ring-type actuator of the novel nozzle was designed and built using the PZW-PMN-PZT ceramics. This paper will describe a variety of physical, mechanical, and electrical characteristics of the ultrasonic nozzle. The characteristics of the mist particles was also measured as the amount of the outflow liquid was varied.