MATEC Web Conf.
Volume 84, 2016International Symposium and School of Young Scientists “Interfacial Phenomena and Heat Transfer” (IPHT 2016)
|Number of page(s)||4|
|Published online||16 November 2016|
Numerical investigation of heat and mass transfer processes in a spherical layer of viscous incompressible liquid with free boundaries
1 Altai State University, Faculty of Mathematics and Information Technologies, Russia
2 Institute of Thermophysics SB RAS, Laboratory of Enhancement of Heat Transfer, Russia
a Corresponding author: email@example.com
The results of mathematical modelling of the dynamics of a mixture of the viscous incompressible liquid and gas, which fills a spherical layer with free boundaries and contains a gas bubble within itself, are presented in this paper. Spherical symmetry is assumed, and it is considered that the dynamics of the layer is determined by thermal, diffusive and inertial factors. On the basis of constructed numerical algorithm the studies of the formation of the liquid glass layers, which contain the carbon dioxide gas within themselves, have been conducted. The impact of the external thermal regime, external pressure and the density of gas in the bubble at the initial time on the dynamics of the layer, diffusion and heat-and-mass processes inside it is investigated. The results of numerical investigation of the full and simplified thermal problem statement, without consideration of gas diffusion, are compared.
© The Authors, published by EDP Sciences, 2016
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