Unsteady regimes of hydrodynamics and heat transfer at production of high-temperature silicate melts

Abstract

An absolutely new setup for production of high-temperature silicate melts with application of energy of low-temperature plasma is considered in this paper. The mathematical model "stream function - vorticity" was developed and numerically implemented in transformed variables. This model describes the unsteady regimes of convective heat transfer in the melting furnace. The effect of time and electric current density on the flow structure and heat transfer was studied. The features of hydrodynamics caused both by unsteady character of the process and significant dependence of thermal-physical characteristics on temperature were identified.

Original language	English
Pages (from-to)	621-629
Number of pages	9
Journal	Thermophysics and Aeromechanics
Volume	20
Issue number	5
DOIs	https://doi.org/10.1134/S0869864313050096
Publication status	Published - 1 Dec 2013

Keywords

electric-plasma setup
heat transfer
mathematical model
silicate melt

ASJC Scopus subject areas

Nuclear and High Energy Physics
Radiation

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10.1134/S0869864313050096

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title = "Unsteady regimes of hydrodynamics and heat transfer at production of high-temperature silicate melts",

abstract = "An absolutely new setup for production of high-temperature silicate melts with application of energy of low-temperature plasma is considered in this paper. The mathematical model {"}stream function - vorticity{"} was developed and numerically implemented in transformed variables. This model describes the unsteady regimes of convective heat transfer in the melting furnace. The effect of time and electric current density on the flow structure and heat transfer was studied. The features of hydrodynamics caused both by unsteady character of the process and significant dependence of thermal-physical characteristics on temperature were identified.",

keywords = "electric-plasma setup, heat transfer, mathematical model, silicate melt",

author = "Bondareva, {N. S.} and Volokitin, {O. G.} and Morozova, {O. O.} and Sheremet, {M. A.}",

year = "2013",

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T1 - Unsteady regimes of hydrodynamics and heat transfer at production of high-temperature silicate melts

AU - Bondareva, N. S.

AU - Volokitin, O. G.

AU - Morozova, O. O.

AU - Sheremet, M. A.

PY - 2013/12/1

Y1 - 2013/12/1

N2 - An absolutely new setup for production of high-temperature silicate melts with application of energy of low-temperature plasma is considered in this paper. The mathematical model "stream function - vorticity" was developed and numerically implemented in transformed variables. This model describes the unsteady regimes of convective heat transfer in the melting furnace. The effect of time and electric current density on the flow structure and heat transfer was studied. The features of hydrodynamics caused both by unsteady character of the process and significant dependence of thermal-physical characteristics on temperature were identified.

AB - An absolutely new setup for production of high-temperature silicate melts with application of energy of low-temperature plasma is considered in this paper. The mathematical model "stream function - vorticity" was developed and numerically implemented in transformed variables. This model describes the unsteady regimes of convective heat transfer in the melting furnace. The effect of time and electric current density on the flow structure and heat transfer was studied. The features of hydrodynamics caused both by unsteady character of the process and significant dependence of thermal-physical characteristics on temperature were identified.

KW - electric-plasma setup

KW - heat transfer

KW - mathematical model

KW - silicate melt

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