Article

Article title RESEARCH AND DEVELOPMENT OF ADVANCED LIQUID SPRAYING DEVICES FOR DIFFERENT APPLICATIONS
Authors E. S. Aleksyunin
Section SECTION II. PROCESS AND SYSTEM MODELING
Month, Year 03, 2018 @en
Index UDC 542.6.063
DOI
Abstract The article contains materials on methods of ultrasonic spraying of liquid media in layer and fountain. In both cases aerosol droplet formed as a result of separation from breakpoints of standing capillary waves on the liquid surface. Both cases has several significant differences when we talking about ultrasound devices. When we talk about spraying in layer we need to know that standing waves are created on the liquid surface which covers plate which oscillating perpendicular to its surface. In other hand fountain is created in center of concave plate as a result of self-focussing in cavitating liquid. You will find device design description for both cases. The article describes results of analysis for best solutions for devices. Such as emmiter based on a combination of a core converter-concentrator with a disk plate resonating on the third mode of axisymmetric oscillations. Also author provides the results of research for this emmiter. Basing on the results the author offers design of a bend axisymmetric converter-concentrator with significant greater active zone. Also you will find description for axisymmetric converter-concentrator way optimization. Strengths and limitations of devices were analyzed and described. In particular, principle of creating the equivalent circuit diagram for the design of such devices was described. The article compares ultrasound devices with various designs but based on piezoelements and describes the results of comparing between FEM models and real devices. This article would be interested for engineers who creates medical devices and wide range of technical systems.

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Keywords Pulverization; ultrasonic; liquid environment; liquid layer; aerosol.
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