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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing Modeling, Simulation and Artificial Intelligence
Presentation Title F-34: Numerical Analysis of the Flow Behavior in the Mold Induced by a Real Clogged Nozzle and Symmetrically Reduced Nozzles
Author(s) Marbella Durán González, Enif Gutiérrez, Saul Garcia-Hernandez, Javier Vargas Arias, Eriwiht D Tello Cabrera
On-Site Speaker (Planned) Marbella Durán González
Abstract Scope Nozzle clogging is one of the main problems in continuous steel casting, which increases meniscus velocity, causes excessive fluctuations in bath level, and leads to the opening of the slag layer. Given its importance in producing high-quality steel, this study aims to understand and quantify the detrimental effects of severe nozzle clogging on mold fluid dynamics. As part of this effort, an industrial nozzle at the end of its service life was 3D scanned and modeled through numerical simulation. The real clogging behavior was compared with nozzles with symmetrical reductions in the lower tubular section, ports, and pool. The results show that the high velocity and wall irregularities of a severely clogged nozzle cause jet rotation, deflection of the jets toward the front mold wall, strong bath-level asymmetries, vortex formation, and slag entrapment on both sides of the nozzle. These effects are not observed in cases with symmetrical reductions
Proceedings Inclusion? Planned:
Keywords Iron and Steel, Modeling and Simulation, Computational Materials Science & Engineering

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F-22: An Artificial Neural Network Modeling Approach to Electroforming of Micro-Tubes in the Presence of Surfactants
F-23: Computational Thermodynamics-Based Optimization of Ti-6Al-4V via Al and V Substitution for Additive Manufacturing
F-24: Convolution Tensor Decomposition Method for Efficient High-Resolution Solutions to the Allen-Cahn Equation: Application to Grain Growth Simulations in Additive Manufacturing
F-25: Creep Property of SS316L Lattices Fabricated by Laser Powder Bed Fusion
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F-27: Expanding Capabilities to Simulate Powder Bed Fusion Process With Additive Manufacturing Module
F-28: Experimental‑CFD-Based Observation of Thermo‑Fluid Mechanisms in LPBF with Nanoparticle‑Coated Powders
F-29: Impact of Intermittent Laser on Fluid and Thermal Response in Directed Energy Deposition: A Numerical Study
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F-31: Lightweight, Bending-Resistant 3D Voronoi Structures Inspired from Feather Rachis and Optimized by Genetic Algorithm
F-32: Melt Pool Control and Segregation Using Magnetic Field in Additive Manufacturing
F-33: Modeling and Simulation of the Shock Response in AM Material Accounting for the Retained Porosity
F-34: Numerical Analysis of the Flow Behavior in the Mold Induced by a Real Clogged Nozzle and Symmetrically Reduced Nozzles
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