Simulation of Nonstationary Turbulent Flows in Devices For Reducing the Noise Level of High-Pressure Gas Media Moving with a High Velocity

Features of the simulation of the thermodynamic and gasdynamic processes occurring in devices for reducing the noise level of a shot from a gun were considered. A simulation of large vortices in the nonstationary turbulent flow of powder gases in a muzzle noise reduction device with a silencer repre...

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Bibliographic Details
Published in:Journal of engineering physics and thermophysics 2021-11, Vol.94 (6), p.1484-1493
Main Authors: Volkov, K. N., Emel’yanov, V. N., L’vov, D. É., Chernyshov, P. S.
Format: Article
Language:English
Subjects:
Classical Mechanics
Complex Systems
Damping
Engineering
Engineering Thermodynamics
Fluid dynamics
Fluid flow
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Noise control
Noise levels
Noise reduction
Numerical analysis
Powders
Shock waves
Silencers
Simulation
Thermodynamics
Turbulent flow
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Summary:Features of the simulation of the thermodynamic and gasdynamic processes occurring in devices for reducing the noise level of a shot from a gun were considered. A simulation of large vortices in the nonstationary turbulent flow of powder gases in a muzzle noise reduction device with a silencer representing a shaped channel with several chambers, whose volumes decrease in the direction to the silencer outlet, has been performed. Results of qualitative and quantitative investigations of the initiation, development, and damping of the shock waves in the flow of powder gases, formed as a result of the firing of a shot made from a signal gun, are presented.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-021-02428-0