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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Materials Processing Fundamentals
Presentation Title Experimental Characterization of Liquid Metal Bubble-driven Flows Modeling the Situation in a Steel Ladle
Author(s) Thomas Wondrak, Christian Bruch, Sven Eckert, Pascal Gardin, Gernot Hackl, Helmut Lachmund, Hans-Bodo Lüngen, Hans-Jürgen Odenthal, Klaus Timmel, Bernd Willers
On-Site Speaker (Planned) Sven Eckert
Abstract Scope In metallurgy, gas-liquid two-phase flows are relevant for mixing, degassing and refinement. The reliable prediction of the hydrodynamic performance in gas-stirred ladles is of utmost relevance for optimization and process control. A new experimental facility has been designed and constructed for systematic investigations of gas bubbles rising inside the alloy SnBi, its thermophysical properties are very similar to those of steel. Low operating temperatures (T~200°C) allow the use of powerful measuring techniques. The cylindrical fluid vessel represents a 1:5.25 model of an industrial 185 t ladle and is equipped with a vacuum pump to achieve low-pressure conditions for VOD (Vacuum Oxygen Decarburization) applications as well. The experiments provide a copious data base about the flow regimes, void fraction, liquid and bubble velocities, and bubble properties, which can be used to provide so far unknown boundary conditions for CFD simulations of various metallurgical reactors such as steelmaking converters or steelmaking ladles.
Proceedings Inclusion? Planned:
Keywords Iron and Steel, Process Technology, Other


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Computational Fluid Dynamics Modeling of Damped Oscillations of Molten Metal Droplets
Contactless Inductive Flow Tomography for Control of Liquid Metal Flow with Electromagnetic Actuators
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Cylindrical and Planar Magnetron Sputtering for Microstructural Control
Effect of Dissolution of Titanium Ions on Ti Alloys Electrodeposition from EMIC-AlCl3 Ionic Liquid at Low Temperature
Effect of Nitrogen on Weldability and the Microstructure in Laser Beam Welding of Duplex Stainless Steel
Effect of Slag Conductivity on Decarburisation Reaction Kinetics
Experimental Characterization of Liquid Metal Bubble-driven Flows Modeling the Situation in a Steel Ladle
Influence of Slab Transportation and Handling Practice on Crack Sensitivity of Micro-alloyed Steels
Liquid-liquid Extraction Thermodynamic Parameter Estimator (LLEPE) for Multicomponent Separation Systems
Low Temperature Aluminothermic Reduction of Metal Oxides
Modelling of Metal Loss in Ferromanganese Furnace Tapping Operations
Numerical Simulation of the Influence of Particle Physical Properties on Flow Field during the Aeration Leaching Process
Stress Development Simulation in Continuously Cast Steel Slabs during Cooling Process
The Role of Copper in Combustion Processes
Thermodynamic Examination of Quaternary Compounds in the Ag–Fe–(Ge, Sn)–Se Systems by the Solid-state EMF Method
Thermodynamic Modeling of Iron-copper-sulfuric Acid Solutions during Solvent Extraction and Electrowinning for Copper Production
X-ray and Neutron Radiographic Experiments on Particle-laden Molten Metal Flows

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