Interaction of Liquid Droplets in Gas and Vapor Flows; Energies; Vol. 12, iss. 22

Detalles Bibliográficos
Parent link:Energies
Vol. 12, iss. 22.— 2019.— [4256, 24 p.]
Autor Corporativo: Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Outros autores: Demidovich A. V. Anastasiya Vitaljevna, Kralinova S. S. Svetlana Sergeevna, Tkachenko P. P. Pavel Petrovich, Shlegel N. E. Nikita Evgenjevich, Volkov R. S. Roman Sergeevich
Summary:Title screen
We investigated the conditions, characteristics, and outcomes of liquid droplet interaction in the gas medium using video frame processing. The frequency of different droplet collision outcomes and their characteristics were determined. Four interaction regimes were identified: bounce, separation, coalescence, and disruption. Collision regime maps were drawn up using the Weber, Reynolds, Ohnesorge, Laplace, and capillary numbers, as well as dimensionless linear and angular parameters of interaction. Significant differences were established between interaction maps under ideal conditions (two droplets colliding without a possible impact of the neighboring ones) and collision of droplets as aerosol elements. It was shown that the Weber number could not be the only criterion for changing the collision mode, and sizes and concentration of droplets in aerosols influence collision modes. It was established that collisions of droplets in a gaseous medium could lead to an increase in the liquid surface area by 1.5–5 times. Such a large-scale change in the surface area of the liquid significantly intensifies heat transfer and phase transformations in energy systems.
Idioma:inglés
Publicado: 2019
Subjects:
Acceso en liña:https://doi.org/10.3390/en12224256
Formato: MixedMaterials Electrónico Capítulo de libro
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=661696

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200 1 |a Interaction of Liquid Droplets in Gas and Vapor Flows  |f A. V. Demidovich, S. S. Kralinova, P. P. Tkachenko [et al.] 
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300 |a Title screen 
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330 |a We investigated the conditions, characteristics, and outcomes of liquid droplet interaction in the gas medium using video frame processing. The frequency of different droplet collision outcomes and their characteristics were determined. Four interaction regimes were identified: bounce, separation, coalescence, and disruption. Collision regime maps were drawn up using the Weber, Reynolds, Ohnesorge, Laplace, and capillary numbers, as well as dimensionless linear and angular parameters of interaction. Significant differences were established between interaction maps under ideal conditions (two droplets colliding without a possible impact of the neighboring ones) and collision of droplets as aerosol elements. It was shown that the Weber number could not be the only criterion for changing the collision mode, and sizes and concentration of droplets in aerosols influence collision modes. It was established that collisions of droplets in a gaseous medium could lead to an increase in the liquid surface area by 1.5–5 times. Such a large-scale change in the surface area of the liquid significantly intensifies heat transfer and phase transformations in energy systems. 
461 |t Energies 
463 |t Vol. 12, iss. 22  |v [4256, 24 p.]  |d 2019 
610 1 |a электронный ресурс 
610 1 |a труды учёных ТПУ 
610 1 |a aerosol 
610 1 |a gas and vapor flows 
610 1 |a droplets 
610 1 |a collisions 
610 1 |a interaction regime maps 
610 1 |a relative 
610 1 |a droplet concentration 
610 1 |a капли 
610 1 |a аэрозоли 
610 1 |a столкновения 
610 1 |a взаимодействия 
701 1 |a Demidovich  |b A. V.  |g Anastasiya Vitaljevna 
701 1 |a Kralinova  |b S. S.  |c specialist in the field of heat power engineering and heat engineering  |c Research Engineer of Tomsk Polytechnic University  |f 1996-  |g Svetlana Sergeevna  |3 (RuTPU)RU\TPU\pers\46855 
701 1 |a Tkachenko  |b P. P.  |c specialist in the field of heat and power engineering  |c Research Engineer of Tomsk Polytechnic University  |f 1996-  |g Pavel Petrovich  |3 (RuTPU)RU\TPU\pers\46849 
701 1 |a Shlegel  |b N. E.  |c specialist in the field of heat and power engineering  |c Research Engineer of Tomsk Polytechnic University  |f 1995-  |g Nikita Evgenjevich  |3 (RuTPU)RU\TPU\pers\46675 
701 1 |a Volkov  |b R. S.  |c specialist in the field of power engineering  |c Associate Professor of the Tomsk Polytechnic University, candidate of technical Sciences  |f 1987-  |g Roman Sergeevich  |3 (RuTPU)RU\TPU\pers\33926  |9 17499 
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