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Thermophysics and Aeromechanics

2020 year, number 6

Features of convective sublimation in gas mixtures

E.M. Bochkareva, V.V. Lukashov, N.B. Miskiv
Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia
Keywords: sublimation, heat and mass transfer, organometallic compounds

Abstract

The paper presents experimental data on convective heat and mass transfer during sublimation of a single spherical particle of a mixture of organometallic compounds Zr(dpm)4 /Y(dpm)3 in a high-temperature flow of an inert gas (He, Ar). The influence of the carrier gas velocity and composition on the characteristics of the mass transfer processes is considered. Data on dynamics of changes in the size and temperature of a sample during sublimation are obtained.