Investigation of a Mathematical Model of High-Temperature Diffusion Controlled Heterogeneous Reaction between Metal and Oxide Melts

Author:

Radune Maya1,Radune Alex2,Assous F.1,Zinigrad Michael3

Affiliation:

1. Ariel University Center

2. Elrad Ltd.

3. Ariel University Center of Samaria

Abstract

A deterministic computational model of high-temperature heterogeneous re- action between metal and oxide melts has been developed. Transport of reagents and products of reaction occur simultaneously both by diusion and by laminar natural con- vection of the melting metal and oxide uxes. The convection-diusion equations have been numerically solved by a nite-dierences time-implicit discretization scheme. The model was implemented by program which had been written in C# language. The com- putations have been performed for desulfurization reaction between liquid steel and slag phases.The computed results agree well with the results which were found by experimen- tal methods.

Publisher

Trans Tech Publications, Ltd.

Subject

Condensed Matter Physics,General Materials Science,Radiation

Reference18 articles.

1. T. Matsumiya, A. Nogami , Y. Fukuda: ISIJ Int. Vol. 33 (1993), p.217.

2. H. Gaye,J. Lehman, T. Matsumiya, Yamada: A Statistical Thermodynamics Model of Slags: Application to Systems Containing S, F, P2 O5 and Cr-oxides(Proceedings of the 4th Molten Slags and Fluxes International Conference, Sendai, Japan 1992), p.126.

3. B. Shakmatkin, N. Vedishcheva, M. Shultz: Simulation of thermodynamic properties of slag melts, Proceedings of the 4th Molten Slags and Fluxes(International Conference, Sendai, Japan1992), p.120.

4. M. Goldshmit, S. Ferro, R. Prhncipe, A. Coppola Owen: Lat. Am. Appl. Res. Vol. 33, (2002).

5. R. Fruehan, S. Mirsa: Hydrogen and Nitrogen Control in Ladle and Casting Operations(Materials Science and Engineering Department Carnegy Mellon University Pitsburg, PA 2005).

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