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

被引：3
|
作者：
Kravchenko, A. S. [1 ,2 ]
Zhilin, A. A. [1 ,2 ]
机构：
[1] Khristianovich Inst Theoret & Appl Mech SB RAS, Novosibirsk 630090, Russia
[2] Siberian State Univ Water Transport, Novosibirsk 630099, Russia
来源：
ALL-RUSSIAN CONFERENCE AND SCHOOL FOR YOUNG SCIENTISTS, DEVOTED TO 100TH ANNIVERSARY OF ACADEMICIAN L.V. OVSIANNIKOV - MATHEMATICAL PROBLEMS OF CONTINUUM MECHANICS | 2019年 / 1268卷
关键词：
D O I：
10.1088/1742-6596/1268/1/012037
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
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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页数：5
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