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has been cited by the following article:

• TITLE: Liquid Jet Blasting Using Ultra-High Frequency Supersonic Pulsed Air Jet

  AUTHORS: John T. Solomon

  KEYWORDS: Ultrasonic Actuators, Flow Control, Liquid Blasting

  JOURNAL NAME: Journal of Flow Control, Measurement & Visualization, Vol.10 No.2, April 11, 2022

  ABSTRACT: This paper reports an experimental study on a liquid injector assembly integrated with an ultra-high frequency pulsed air jet that operates at 21 kHz. The active air-blasting assembly steadily injects a liquid through four micro-nozzles of 0.4 mm diameters each, positioned around a 1 mm nozzle through which the pulsed actuation jet flows out at supersonic velocity. High-frequency compressible air vortexes and shock waves generated by the injector atomize the liquid stream into finer droplets and distribute them to a larger area to improve mixing with the ambiance. The paper presents the design details and preliminary studies on the flow field characteristics of this novel injection scheme, which is a potential candidate for high-speed flow mixing and control applications.