The Interaction Of Drops And Particles With
Ultrasonic Standing Wave Fields
Author(s)
U. Fritsching and K. Bauckhage
Abstract
High performance ultrasound has recently obtained some interesting new
techniques in chemical engineering such as ultrasonic standing wave atomization
(USWA) of liquids, ultrasonic levitation of drops and particles and separation of
particles from liquids and gases. In these applications, a resonant ultrasonic wave
field is generated by means of two oscillating transducers or a single transducer
and a reflector. Understanding the wave field formation and characteristics in the
resonant, high-amplitude case of ultrasonic standing wave fields as well as the
interaction of the sound field with drops, particles and fluid ligaments is of great
importance for the understanding and optimization of such processes.
Computational simulation of the sound field provides some insight into this
complex area. The numerical simulation
Keywords
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