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Conditions of Intensive Evaporation of Heterogeneous Water Droplet in High Temperature Gas Environment

Published online by Cambridge University Press:  19 August 2015

O. V. Vysokomornaya ,
G. V. Kuznetsov  and
P. A. Strizhak
O. V. Vysokomornaya
Affiliation:
National Research Tomsk Polytechnic UniversityTomsk, Russia
G. V. Kuznetsov
Affiliation:
National Research Tomsk Polytechnic UniversityTomsk, Russia
P. A. Strizhak*
Affiliation:
National Research Tomsk Polytechnic UniversityTomsk, Russia
*
*Corresponding author (pavelspa@tpu.ru)
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Abstract

The results of a numerical simulation of heat and mass transfer during evaporation of a water droplet with solid inclusion in air at temperature as high as 1000K are presented. Typical heating steps of droplet until it reaches the conditions of intensive evaporation (i.e. the interface “solid inclusion – liquid” reaches the boiling temperature) are described. The roles played by the external air temperature and by the main properties of inclusion are detailed. The droplet size, the relation between the sizes of inclusion and a liquid layer during the heating up is determined. The necessary and sufficient conditions of intensive evaporation in the system “water droplet with solid inclusion in high-temperature air” are pointed out.

Keywords

Water dropletSolid inclusionHigh-temperature gases
Type
Research Article
Information
Journal of Mechanics , Volume 32 , Issue 3 , June 2016 , pp. 349 - 355
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2016 

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