Influence of radiative heat and mass transfer mechanism in system “water droplet-high-temperature gases” on integral characteristics of liquid evaporation; Thermal Science; Vol. 19, iss. 5

Influence of radiative heat and mass transfer mechanism in system “water droplet-high-temperature gases” on integral characteristics of liquid evaporation; Thermal Science; Vol. 19, iss. 5

Библиографические подробности
Источник:	Thermal Science: International Scientific Journal.— , 2002- Vol. 19, iss. 5.— 2015.— [P. 1541-1552]
Главный автор:	Glushkov D. O. Dmitry Olegovich
Корпоративные авторы:	Национальный исследовательский Томский политехнический университет Энергетический институт Кафедра автоматизации теплоэнергетических процессов, Национальный исследовательский Томский политехнический университет Энергетический институт Кафедра теоретической и промышленной теплотехники
Другие авторы:	Kuznetsov G. V. Geny Vladimirovich, Strizhak P. A. Pavel Alexandrovich
Примечания:	Title screen Physical and mathematical (system of differential equations in private derivatives) models of heat and mass transfer were developed to investigate the evaporation processes of water droplets and emulsions on its base moving in high-temperature (more than 1000 K) gas flow. The model takes into account a conductive and radiative heat transfer in water droplet and also a convective, conductive and radiative heat exchange with high-temperature gas area. Water vapors characteristic temperature and concentration in small wall-adjacent area and trace of the droplet, numerical values of evaporation velocities at different surface temperature, the characteristic time of complete droplet evaporation were determined. Experiments for confidence estimation of calculated integral characteristics of processes under investigation - mass liquid evaporation velocities were conducted with use of cross-correlation recording video equipment. Their satisfactory fit (deviations of experimental and theoretical velocities were less than 15%) was obtained. The influence of radiative heat and mass transfer mechanism on characteristics of endothermal phase transformations in a wide temperature variation range was established by comparison of obtained results of numerical simulation with known theoretical data for “diffusion” mechanisms of water droplets and other liquids evaporation in gas.
Язык:	английский
Опубликовано:	2015
Предметы:	электронный ресурс труды учёных ТПУ
Online-ссылка:	http://dx.doi.org/10.2298/TSCI140716004G
Формат:	Электронный ресурс Статья
Запись в KOHA:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=647169

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