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Numerical simulation of liquid flow and mixing steel in multi-strands tundish

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Wybrane pełne teksty z tego czasopisma
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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Purpose: The aim of this study was estimation of working multi- strands tundish used in the domestic steel industry for the casting of medium size-products. Design/methodology/approach: Thus, actions were taken to determine the specific characteristics of the work object. There is practically no possibility to study metal movement on a real object, therefore the solution of this problem was to use modelling techniques. The numerical analysis based on mathematical model was chosen. The calculations were carried out in AnsysFluent. Findings: of research concerns for casting spatial velocity fields of temperature and intensity of steel turbulence. They were complemented by F and E types residence time distribution curves. Basing on these curves percentage participation of flows were calculated and kinetics of steel mixing in tundish was determined. Research limitations/implications: applying of commercial computational codes for analysis of work and units designing is rather a cheap tool. The optimal solution is to join numerical and physical modeling. Practical implications: presented results of research can be used for improving the hydrodynamic conditions occurring in industrial tundish. Originality/value: of this research is working out the characteristics of tundish working. The obtained results can improve considerably the effectiveness of CC process.
Rocznik
Strony
561--566
Opis fizyczny
Bibliogr. 19 poz., rys., tab.
Twórcy
autor
  • Silesian University of Technology, ul. Krasińskiego 8, 40-085 Katowice, Poland
Bibliografia
  • [1] J. Szekely, O.J. Ilegbusi, N. El-Kaddah, The numerical modelling of complex fluid flow phenomena in tundishes, PCH PhysicoChemical Hydrodynamics 39 (1987) 453-472.
  • [2] S. Joo, R.I.L. Guthrie, Inclusion behavior and heat transfer phenomena in steelmaking tundish operations Part 1, Metallurgical Transactions 24B (1993) 755-766.
  • [3] D. Mazumdar, G. Yamanoglu, R.I.L. Guthrie, Similarity considerations in the physical modeling of steel making tundish systems, Steel Research 66 (1995) 14-19.
  • [4] J. Szekely, O.J. Ilegbusi, The physical and Mathematical Modeling of tundish operations, Springer-Verlag, USA, 1989.
  • [5] J. Pieprzyca, Z. Kudliński, Größenbestimmung der Übergangszone beim Strangguss mit der Modellierungsmethode, Stahl and Essen 1 (2004) 51-53.
  • [6] M. Dziarmagowski, J. Falkus, Z. Wcisło, M. Karbowniczek, J. Starczewski, Possibility of reducing the content of non-metallic inclusions in steel after the trigger and the process of continuous casting, Metallurgy - Metallurgical Engineering News 1 (1997) 20-24 (in Polish).
  • [7] T. Merder, J. Jowsa, S. Garncarek, M. Warzecha, Mathematical modeling of steel flow in tundish of the six-strand continuous casting machine, AIST Transactions 11 (2004) 81-86.
  • [8] S. Chakraborty, Y. Sahai, Effect of holding time and surface cover in ladles on liquid steel flow in continuous casting tundishes, Metallurgical Transactions 23B (1992) 153-167.
  • [9] H.J. Odenthal, H. Pfeifer, Numerical and physical simulation of tundish fluid flow phenomena, Steel Research 74 (2003) 44-55.
  • [10] C. Sajdak, S. Golak, A. Kurek, Electromagnetic stirring of liquid ingot core in the process of continuous casting of steel, Przegląd Elektrotechniczny 83/3 (2007) 67-70.
  • [11] K. Michalek, K. Gryc, J. Moravka, Physical Modelling of bath Homogenization in Argon Stirred Ladle, Metalurgija 48/4 (2009) 215-218.
  • [12] M. Saternus, Modelling research of hydrogen desorption from liquid aluminium and its alloys, Metalurgija 50/4 (2011) 257-260.
  • [13] T. Merder, Analysis of steel flow in the tundish (CSC), Doctoral dissertation, TU Czestochowa, 2007.
  • [14] J.F. Wendt, Computational fluid dynamics, Springer-Verlag, Germany, 1996.
  • [15] B.E. Launder, D.B. Spalding, The Numerical Computation of Turbulent Flows, Computer Methods in Applied Mechanics and Engineering 3 (1974) 269-289.
  • [16] T. Iida, R.I.L. Guthrie, The Physical Properties of Liquid Metals, Clarendon Press, Oxford, 1988.
  • [17] Manual AnsysFluent, 2012.
  • [18] C.Y. Wen, L.T. Fan: Models for flow systems and chemical reactions, Dekker, New York, 1975.
  • [19] M. Clark, T. Wagner, Modelling for tundish applications, IOM Annual Ceramics Convention (2002) 14-17.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-16568028-ff45-4bc9-9f31-14f247bdce82
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