Effect of gas pressure and temperature on the regimes of liquid droplet collisions; Interfacial Phenomena and Heat Transfer; Vol. 10, iss. 1

Effect of gas pressure and temperature on the regimes of liquid droplet collisions

Bibliographic Details
Parent link:Interfacial Phenomena and Heat Transfer
Vol. 10, iss. 1.— 2022.— [P. 25-46]
Corporate Authors: Национальный исследовательский Томский политехнический университет Инженерная школа энергетики Научно-образовательный центр И. Н. Бутакова (НОЦ И. Н. Бутакова), Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Other Authors: Tkachenko P. P. Pavel Petrovich, Islamova A. G. Anastasiya Gomilievna, Shlegel N. E. Nikita Evgenjevich, Strizhak P. A. Pavel Alexandrovich
Summary:Title screen
The paper presents experimental research findings for the critical conditions and integral characteristics of secondary atomization of liquid droplets when varying the gas medium pressure (0.9-5 atm) and temperature (20-200°C). The experiments were conducted with water droplets with initial temperatures of 20 and 80°C to investigate the contribution of heating the liquid and its evaporation to the interaction conditions and characteristics. We varied the impact angles, sizes, and velocities of droplets in a gas medium. Typical collision regimes were identified: bounce, coalescence, separation, and disruption. Liquid droplet collision regime maps using the dimensionless linear parameter of interaction and Weber number were produced. Specific aspects of droplet collisions were established at different pressures and temperatures of the gas medium. The ratios of liquid surface areas before and after droplet disruption were calculated. The findings were compared to known data of other authors. Conditions were shown under which the gas pressure and temperature significantly affect droplet collision regimes and transition boundaries between them, as well as droplet collision outcomes.
Language:English
Published: 2022
Subjects:
электронный ресурс
труды учёных ТПУ
droplet collisions
interaction regimes
pressure and temperature of gas medium
collision regime maps
disruption
satellite droplets
Online Access:http://dx.doi.org/10.1615/InterfacPhenomHeatTransfer.2022044027
Format: Electronic Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668582

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