Effect of a Conical Extension on Aerosol Sedimentation in the Case of Acoustic Small-Amplitude Oscillations in a Tube

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Abstract

The effect of acoustic low-intensity oscillations in a homogeneous tube and in a tube with a conical extension is experimentally investigated for the same resonator volumes. The resonator shape is shown to have an effect on the oscillation spectrum and intensity and the pressure wave shape at constant values of the resonance frequency and the piston displacement amplitude. An increase in the resonator Q-factor is observable, when the resonator has a conical extension. An accelerated aerosol sedimentation in tubes is revealed in the case of acoustic oscillation with the resonance frequency. In the presence of a conical extension the aerosol drop concentration is reduced by a factor of 1.2 more rapidly than in the case of a uniform tube and three times more rapidly as compared with natural sedimentation. The results obtained can be used for increasing the efficiency of acoustic methods of gas purification from the disperse phase

About the authors

L. R. Shaidullin

Kazan Scientific Center of the Russian Academy of Sciences, Institute of Mechanics and Engineering

Email: shaidullin@imm.knc.ru
420111, Kazan, Tatarstan, Russia

S. A. Fadeev

Kazan Scientific Center of the Russian Academy of Sciences, Institute of Mechanics and Engineering

Author for correspondence.
Email: fadeev.sergei@mail.ru
420111, Kazan, Tatarstan, Russia

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Copyright (c) 2023 Л.Р. Шайдуллин, С.А. Фадеев

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