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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Imprimer: 2152-5102
ISSN En ligne: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v24.i1-3.300
pages 307-313

Critical Conditions for Single Droplets Ignition and Combustion

Igor G. Assovskiy
Semenov Institute of Chemical Physics, The Russian Academy of Sciences, Kosygin Str. 4, Moscow 117977, Russia
K. Yoo
Changnam National University, 220 Kung-dong Yusong-ku, Taejion 305-764, Korea
V. I. Kolesnikov-Svinarev
Semenov Institute of Chemical Physics, RAS, Kosygin St. 4, Moscow 117977 Russia
G. P. Kuznetsov
Semenov Institute of Chemical Physics, RAS, Kosygin St. 4, Moscow 117977 Russia

RÉSUMÉ

This paper presents an installation and some results of experimental study of droplet ignition and combustion in hot gas and under a laser beam irradiation. Emphasis is on correlation between the critical diameter of droplet and characteristics of environment (temperature, pressure, gravity level, and content of gas-mixture). Dependence of ignition and subsequent combustion on heat and mass-transfer conditions is investigated in normal and low-gravity environment. A specific feature of this study is investigation of ignition of energetic solutions (including the aqueous solutions) as well as ignition of individual liquids.