| Issue |
MATEC Web Conf.
Volume 194, 2018
Heat and Mass Transfer in the Thermal Control System of Technical and Technological Energy Equipment (HMTTSC-2018)
|
|
|---|---|---|
| Article Number | 01054 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/matecconf/201819401054 | |
| Published online | 21 August 2018 | |
Dynamics of the vapor cavity in the vertical tube of a small diameter after boiling-up in aqueous lithium bromide solutions
1
Kutateladze Institute of Thermophysics, 630090 Novosibirsk, Russia
2
Novosibirsk State University, 630090 Novosibirsk, Russia
* Corresponding author: styuardessa@yandex.ru
Dynamics of a single vapor cavity, moving under gravity in a vertical tube of a small diameter, has been studied. The experiment was carried out in water and aqueous LiBr solution in a tube with the length of 400 mm and diameter of 16 mm. Experiments have shown that dynamics of the rising vapor cavity after-the-fact boiling-up of aqueous LiBr solution in a vertical tube of a small diameter for some initial conditions differs qualitatively from dynamics of a gas bubble rising in a pool. Dynamics of the vapor cavity in aqueous LiBr solution and in water demonstrates quantitative but not qualitative differences. During bubble rising in a small diameter tube to time dependence for volume and mass of the vapor bubble, the regimes with pulsations were detected.
© The Authors, published by EDP Sciences, 2018
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