Analytical estimation of particle shape formation parameters in a plasma-chemical reactor

被引：0
|
作者：
Zhukov, Ilya A. [2 ]
Bondarchuk, Sergei S. [1 ,2 ]
Zhukov, Alexander S. [2 ]
Bondarchuk, Ivan S. [2 ]
Borisov, Boris V. [3 ]
Ayeshina, Tatiana N. [3 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Problems Chem & Energet Technol, Biisk 659322, Russia
[2] Natl Res Tomsk State Univ, Tomsk 634050, Russia
[3] Natl Res Tomsk Polytech Univ, Tomsk 634050, Russia
来源：
THERMOPHYSICAL BASIS OF ENERGY TECHNOLOGIES (TBET-2016) | 2016年 / 92卷
关键词：
D O I：
10.1051/matecconf/20179201039
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Analytical estimation of particle shape formation parameters in a plasma-chemical reactor implementing the process of thermochemical decomposition of liquid droplet agents (precursors) in the flow of a high-temperature gaseous heat-transfer medium was obtained. The basic factor which determines the process is the increase of concentration of a dissolved salt precursor component at the surface of a liquid particle due to solvent evaporation. According to the physical concept of the method of integral balance the diffusion process of concentration change is divided into two stages: the first stage is when the size of gradient layer does not reach the center of a spherical droplet and the second stage when the concentration at the center of a liquid droplet begins to change. The solutions for concentration fields were found for each stage using the method of integral balance taking into account the formation of salt precipitate when the concentration at the surface of the droplet reaches certain equilibrium value. The results of estimation of the influence of various reactor operation parameters and characteristics of initial solution ( precursor) on the morphology of particles formed - mass fraction and localization of salt precipitate for various levels of evaporation.
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页数：6
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