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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium 60 Years of Taking Aluminum Smelting Research and Development from New Zealand to the World: An LMD Symposium in Honor of Barry J. Welch
Presentation Title A New Strategy for Transient Heat Transfer Models with Phase Change for the Aluminum Electrolysis Industry
Author(s) Bastien Pansiot, Marc Lebreux, Martin Désilets, Francis Lalancette, Jean-Francois Bilodeau, Alexandre Blais
On-Site Speaker (Planned) Bastien Pansiot
Abstract Scope The heat balance of an Aluminum Electrolysis Cell (AEC) represents a very sensitive aspect of its operation. Steady state heat balance is quite well understood thanks to industrial expertise and widely used steady state finite elements models. With the increasing interest of power modulation, these tools become insufficient to predict the time dependent heat balance of the cell. Above all, they are not suited to predict the melting or formation of the side ledge, a protective solid layer formed on the cell to avoid the corrosive action of the liquid electrolytic bath on the sidewalls. The authors developed a new thermal-electrical model coupling ANSYS Mechanical software and Python, able to compute the transient heat balance of an AEC, including the phase change dynamic of the side ledge and thermal contact resistance. It has been found to give both accurate results and improved computational time.
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum, Modeling and Simulation, Phase Transformations

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Discussion on Thermal Impact of Anode Change in Aluminum Reduction Cell
A Dynamic Coupled Mass and Thermal Model for the Top Chamber of the Aluminium Smelting Cells
A New Strategy for Transient Heat Transfer Models with Phase Change for the Aluminum Electrolysis Industry
A Pragmatic Model for Bath Temperature Evolution during Alumina Feeding
A Smart Individual Anode Current Measurement System and Its Applications
Anode Quality Optimisation – Industry Learnings from the Research Supervised by Barry Welch
Barry Welch's Honorary Keynote
Barry Welch - A Mentor Driving Improvement in Industry Through Leadership and Technology
Barry Welch, Professor and Mentor for the Aluminium Industry
Contribution of Professor Barry Welch to the Development of EGA’s Reduction Technologies
Development and Deployment Measures in PLC-based Pot Control System at Low Amperage Aluminium Reduction Cell
EGA’s First Holistic Mobile Application for Smelter Operations
Following Alumina Dissolution Kinetics with Electrochemical and Video Analysis Tools
Highlights of Aluminium Smelting Research Inspired by Barry Welch at UNSW from 1985 to Present
Impact of Aluminium Reduction Cell Parameters on Feeder Hole Condition
Light Metals Research at the University of Auckland
Meeting the Requirements of Potline Customers – the Largely Unmet Challenges Set by Barry Welch to Carbon Anode Producers
Monitoring Cell Conditions and Anode Freeze Dissolution with Model-based Soft Sensor After Anode Change
Process Recovery to Unlock Power Efficiency Improvement at BSL
Testing Feeding Alumina in Three Channels in a Wide Cell
The Need to Respect to the Interlink between Science, Physics, and Cell Design in an Environmentally Responsible Manner - The Next Big Challenge for Aluminium Smelting
What Makes TMS Special? Let Us Consider a Case Study in Volunteer Excellence: Barry J. Welch

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