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Numerical and physical prediction of hydrodynamic conditions inone strand slab tundish

Published online by Cambridge University Press:  20 March 2014

A. Cwudziński
A. Cwudziński*
Affiliation:
Department of Metals Extraction and Recirculation, Faculty of Materials Processing Technology and Applied Physics, Czestochowa University of Technology, 42-200 Czestochowa, 19 Armii Krajowej ave, Poland. e-mail: cwudzinski@wip.pcz.pl
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Abstract

The paper reports the results of studies on the validation of a numerical model of theflow of liquid steel through the tundish used for continuous casting of steel. Thefacility under investigation is a single-nozzle tundish designed for casting concastslabs. For the description of the turbulence of steel flow through the tundish, thek-ε, RNG k-ε and Realizable k-ε turbulence model wereadopted. Computer simulations of liquid steel flow were performed using the commercialprogram Ansys-Fluent®.For the validation of the numerical model and verification of the hydrodynamic conditionsoccurring in the examined tundish furniture variants, obtained from the computersimulations, a physical model of the tundish was employed. During laboratory testssimulating the process of steel flowing through the tundish, E and F-type RTD (ResidenceTime Distribution) curves were recorded, which were then juxtaposed with results obtainedfrom computer simulations. In order to obtain a complete hydrodynamic picture in thetundish furniture variants tested, the computer simulations were performed for bothisothermal and non-isothermal conditions.

Keywords

tundishsteel flownumerical and physical modelingturbulence model
Type
Research Article
Information
Metallurgical Research & Technology , Volume 111 , Issue 1 , 2014 , pp. 45 - 55
Copyright
© EDP Sciences 2014

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