Comparative Analysis of Liquid Steel Fluid Dynamics, Including Spillage and Spreading on the Bottom of a Three-Strand Tundish Between Two Turbulence Inhibitors at the Start of the Casting Sequence

Casting AISI 52100 steel represents a challenge, particularly at the start of the casting sequence, due to its low melting point. The steel spilling over the tundish bottom cools down rapidly and freezes in the stopper rods, obliging the closure of a strand. Therefore, an additional function of turb...

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Bibliographic Details
Published in:Metals (Basel ) 2024-12, Vol.14 (12), p.1370
Main Authors: Flores Jazmín, Octavio, Coronado Rivera, Maria del Carmen, Davila, Rodolfo Morales, Guarneros, Javier, Rodriguez, Jafeth, Nájera-Bastida, Alfonso, Servín Castañeda, Rumualdo
Format: Article
Language:English
Subjects:
Analysis
Bearing steels
Bottom casting
Chromium steels
Cooling rate
flow control device
Fluid dynamics
Fluid flow
Functions (mathematics)
imagen analysis
Inhibitors
Liquid alloys
Mathematical models
MATLAB
Melting points
Numerical analysis
optimize the processes
Partial differential equations
Physical simulation
RTD curves
Simulation methods
Steel
Steel making
Thin films
Tracers (Chemistry)
Tundishes
Turbulence
Turbulent flow
Unsteady state
Viscosity
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Summary:Casting AISI 52100 steel represents a challenge, particularly at the start of the casting sequence, due to its low melting point. The steel spilling over the tundish bottom cools down rapidly and freezes in the stopper rods, obliging the closure of a strand. Therefore, an additional function of turbulence inhibitors is to induce steel masses at a slow cooling rate. This paper deals with the physical and mathematical modeling of unsteady state-flows using two turbulence inhibitors (TIs) during the sequence start. One of the TIs makes steel spill forming thin layers of liquid on the tundish bottom, while the other forms a thicker layer. Based on the Flow of Volume Model, the mathematical simulation was satisfactorily replicated in the water model.
ISSN:2075-4701
2075-4701
DOI:10.3390/met14121370