| 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 | 01067 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/matecconf/201819401067 | |
| Published online | 21 August 2018 | |
The main reasons of rebound, coagulation, and explosive disintegration of the liquid drops in gas-vapor-droplet streams
National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
* Corresponding author: vysokomornaja@tpu.ru
We have reviewed the known data about mechanisms, conditions, reasons, and characteristics of rebound, coagulation, and explosive disintegration of drops in gas-vapor-droplet streams. The three main factors of altering a direction of motion, a velocity, a size and a concentration of droplets in a gaseous stream have been highlighted. Among of them are the thermal factor (heating and evaporation of drops), the aerodynamic factor (acceleration, reverse motion, and deceleration of drops due to their entrainment by gaseous stream), the dynamic factor (change in size, velocity, and direction of motion of drops after their collision). We have generalized the findings obtained by various authors in experiments with two drops, little group of drops, and aerosol. In addition, we have reviewed the published results about the fields of velocities and motion trajectories of drops in a flow, about the change in size and concentration of drops due to rebound, coagulation, disintegration (i.e. the complete destruction of the parent drops and the detachment of the liquid fragments of different size and volume from the surface).
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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