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

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

Detalhes 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
Resumo:	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:	inglês
Publicado em:	2019
Assuntos:	электронный ресурс труды учёных ТПУ aerosol gas and vapor flows droplets collisions interaction regime maps relative droplet concentration капли аэрозоли столкновения взаимодействия
Acesso em linha:	https://doi.org/10.3390/en12224256
Formato:	Recurso Eletrônico Capítulo de Livro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=661696

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