| Issue |
EPJ Web Conf.
Volume 196, 2019
XV All-Russian School-Conference of Young Scientists with International Participation “Actual Problems of Thermal Physics and Physical Hydrodynamics”
|
|
|---|---|---|
| Article Number | 00001 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/epjconf/201919600001 | |
| Published online | 14 January 2019 | |
https://doi.org/10.1051/epjconf/201919600001
The nucleate boiling in a droplet of aqueous salt solution
1 Kutateladze Institute of Thermophysics of the Siberian Branch of the Russian Academy of Sciences, 1. Lavrentiev Ave., Novosibirsk, 630090, Russia
2 Novosibirsk State University, 2 Pirogova Street, 630090 Novosibisk, Russia
* Corresponding author: misura@itp.nsc.ru
Published online: 14 January 2019
This paper is devoted to an experimental study of the dynamics of the nucleate boiling in a droplet of aqueous solution of LiBr salt. As the concentration of LiBr salt increases, the growth rate of the bubbles decreases and the boiling completely stops when a high salt concentration is reached. An increase in the concentration of salt in the liquid layer of the bottom of the bubble leads to a decrease in the rate of increase in the diameter of the bubble, and a dry spot is not formed. The growth rate of a bubble (v) in a water droplet is somewhat higher than one for a salt solution for t > 0.2-0.3 s. The difference of v for the salt solution from curve 3 increases sharply when t < 0.1 s. For the first time, four regimes of the nucleate boiling in LiBr solution droplet were detected.
© The Authors, published by EDP Sciences, 2019
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