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Three dimensional axisymmetric sound propagation through a duct with aerosol
Date
2018-11-10
Author
Arslan, Ersen
Çalışkan, Mehmet
Özyörük, Yusuf
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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The aim of this study is to develop solutions for the propagation of spinning sound waves in air-filled circular ducts containing water droplets (regarded as an aerosol). There exist several theoretical approaches in literature for treatment of basic (mostly 1-D) aerosol problems with certain limitations, but these approaches are mostly suitable for plane waves. A numerical methodology based on the linearized Euler equations in frequency domain has been developed to account for spatial effects both in azimuthal and radial directions. The interactions between the fluid and particle phases are considered through momentum. The paper also presents an analytical solution with which the numerical solutions are compared. Example solutions for plane and spinning modes are presented with emphasis on the effects of aerosol parameters on propagation characteristics as well as geometric cut-off frequencies.
Subject Keywords
Mechanical Engineering
,
Acoustics and Ultrasonics
,
Mechanics of Materials
,
Condensed Matter Physics
URI
https://hdl.handle.net/11511/36132
Journal
JOURNAL OF SOUND AND VIBRATION
DOI
https://doi.org/10.1016/j.jsv.2018.07.049
Collections
Department of Mechanical Engineering, Article