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

Bibliografske podrobnosti
Parent link:	Thermal Science: International Scientific Journal.— , 2002- Vol. 19, iss. 5.— 2015.— [P. 1541-1552]
Glavni avtor:	Glushkov D. O. Dmitry Olegovich
Corporate Authors:	Национальный исследовательский Томский политехнический университет Энергетический институт Кафедра автоматизации теплоэнергетических процессов, Национальный исследовательский Томский политехнический университет Энергетический институт Кафедра теоретической и промышленной теплотехники
Drugi avtorji:	Kuznetsov G. V. Geny Vladimirovich, Strizhak P. A. Pavel Alexandrovich
Izvleček:	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.
Jezik:	angleščina
Izdano:	2015
Teme:	электронный ресурс труды учёных ТПУ
Online dostop:	http://dx.doi.org/10.2298/TSCI140716004G
Format:	Elektronski Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=647169

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