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Numerical and physical prediction of hydrodynamic conditions in one 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 the flow of liquid steel through the tundish used for continuous casting of steel. The facility under investigation is a single-nozzle tundish designed for casting concast slabs. For the description of the turbulence of steel flow through the tundish, the k-ε, RNG k-ε and Realizable k-ε turbulence model were adopted. Computer simulations of liquid steel flow were performed using the commercial program Ansys-Fluent®. For the validation of the numerical model and verification of the hydrodynamic conditions occurring in the examined tundish furniture variants, obtained from the computer simulations, a physical model of the tundish was employed. During laboratory tests simulating the process of steel flowing through the tundish, E and F-type RTD (Residence Time Distribution) curves were recorded, which were then juxtaposed with results obtained from computer simulations. In order to obtain a complete hydrodynamic picture in the tundish furniture variants tested, the computer simulations were performed for both isothermal 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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