Mathematical modeling of the generation of acoustic waves in a two-channel system | Zendy

A. S. Kravchenko | Zendy; А. А. Жилин | Zendy

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Mathematical modeling of the generation of acoustic waves in a two-channel system

Author(s) -

A. S. Kravchenko,

А. А. Жилин

Publication year - 2019

Publication title -

journal of physics conference series

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.21

H-Index - 85

eISSN - 1742-6596

pISSN - 1742-6588

DOI - 10.1088/1742-6596/1268/1/012037

Subject(s) - conical surface , duct (anatomy) , acoustics , mechanics , nozzle , amplitude , acoustic streaming , acoustic wave , channel (broadcasting) , physics , materials science , optics , engineering , mechanical engineering , telecommunications , medicine , pathology , ultrasonic sensor

The purpose of this study is to determine the influence of the diameter of a subsonic conical nozzle on the generation of acoustic waves in a two-channel system. Three-dimensional numerical simulation of flow in the duct of an actual device was performed. A complete picture of the flow generated in the acoustic-convective drying system of the Institute of Theoretical and Applied Mechanics, SB RAS, was obtained. The results of the study show that to maintain the amplitude-frequency characteristics of the workflow with increasing diameter of the subsonic conical nozzle, it is necessary to reduce the settling chamber pressure. The numerically simulated amplitude-frequency characteristics of the acoustic flow generated in the working section of the drying system are in satisfactory agreement with the results of physical experiments.

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