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TVT, 2019, Volume 57, Issue 2, Pages 312–315 (Mi tvt11028)  

Short Communications

Dynamics of tobacco smoke under resonant oscillations in a closed tube

D. A. Gubaidullinab, R. G. Zaripova, L. A. Tkachenkoab, L. R. Shaidullinab

a Research Institute of Mechanics and Machinery of Kazan Scientific Center of the Russian Academy of Sciences
b Kazan (Volga Region) Federal University

Abstract: The dynamics of tobacco smoke is studied experimentally with nonlinear oscillations in a closed tube. The oscillations of a polydisperse gas suspension at a basic frequency are excited by a flat piston in the transition regime to shock waves by via a vibration test rig. The effect of the oscillation amplitude and the height of a tube filled with tobacco smoke on the rate of its coagulation and sedimentation is studied. Different cases of smoke-filled tubes are considered: full, three-quarter, half, and quarter fillings. The concentration of tobacco smoke decreases monotonically in time, which is associated with particle coagulation and sedimentation. This process is accelerated by several hundred times as compared with natural sedimentation. The dependence of the coagulation and sedimentation of tobacco smoke on the height of tube filling is nonmonotonic and reaches a minimum with a half-filled tube. The change in the amplitude of piston displacement significantly influences the coagulation and sedimentation rate of tobacco smoke only with a full tube. This is associated with the generation of acoustic flows in the form of toroidal vortices in the tube.

Funding Agency Grant Number
Russian Science Foundation 15-11-10016
This research was funded by the Russian Science Foundation, project no. 15-11-10016.


DOI: https://doi.org/10.1134/S0040364419010125

Full text: PDF file (311 kB)

English version:
High Temperature, 2019, 57:2, 283–285

Bibliographic databases:

UDC: 532.529: 534.2
Received: 23.03.2018
Accepted:10.10.2018

Citation: D. A. Gubaidullin, R. G. Zaripov, L. A. Tkachenko, L. R. Shaidullin, “Dynamics of tobacco smoke under resonant oscillations in a closed tube”, TVT, 57:2 (2019), 312–315; High Temperature, 57:2 (2019), 283–285

Citation in format AMSBIB
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\by D.~A.~Gubaidullin, R.~G.~Zaripov, L.~A.~Tkachenko, L.~R.~Shaidullin
\paper Dynamics of tobacco smoke under resonant oscillations in a~closed tube
\jour TVT
\yr 2019
\vol 57
\issue 2
\pages 312--315
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\crossref{https://doi.org/10.1134/S0040364419010125}
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\jour High Temperature
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\vol 57
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