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Redistribution of solid inclusions in the turbulent flow of metallurgical induction furnaces

DOI: 10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.1030
pages 974-983

Mihails Scepanskis
University of Latvia, Laboratory for Mathematical Modeling of Environmental and Technological Processes, Zellu iela 8, Riga LV-1002, Latvia

Andris Jakovics
University of Latvia, Laboratory for Mathematical Modeling of Environmental and Technological Processes, Zellu iela 8, Riga LV-1002, Latvia

Bernard Nacke
Institut für Elektrothermische Prozesstechnik, Universität Hannover, Wilhelm-Busch-Str. 4, 30167 Hannover, Germany

Egbert Baake
Institute of Electrotechnology, Leibniz University of Hannover, Wilhelm-Busch-Str. 4, D-30167 Hannover, Germany

Resumo

The paper refers to the dynamics of solid inclusion in the turbulent flow of liquid metal in induction furnaces. The numerical analysis is carried out adopting LES-based Euler-Lagrange approach in the limit of dilute conditions. The model is verified with the original experimental technique, which deals with ferromagnetic particles in the flow of Wood's metal in the small induction crucible furnace (ICF) of the laboratory scale. This experiment confirms the satisfactory agreement with the proper numerical results. The admixing of carbon particles in ICF from the open surface of a melt is also simulated. The behaviour of the particles in the bulk of the flow is illustrated and compared with the industrial observation of the alloy's open surface.

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