Numerical simulation of multiphase flow and particle movement in rare earth electrolytic cell

Yuyang Hu

doi:10.1117/12.3045443

15 January 2025 Numerical simulation of multiphase flow and particle movement in rare earth electrolytic cell

Yuyang Hu

Author Affiliations +

Proceedings Volume 13513, The International Conference Optoelectronic Information and Optical Engineering (OIOE2024); 1351312 (2025) https://doi.org/10.1117/12.3045443
Event: The International Conference Optoelectronic Information and Optical Engineering (OIOE2024), 2024, Wuhan, China

Abstract

This paper utilized ANSYS Fluent to establish a Volume Of Fluid (VOF) multiphase flow model within a 6kA rare earth electrolytic cell. Concurrently, Discrete Phase Model (DPM) was integrated to study the influence of flow on the dispersion of neodymium oxide powder particles introduced into the cell.The results shows that (1) The ascent of anodic-generated gas is the primary driving force behind the internal flow within the electrolytic cell, and the rate of gas production significantly influences the flow dynamics. (2) We propose the existence of a critical particle size, approximately 0.8 mm. Below this threshold, heightened gas flow rates can result in the re-suspension of previously settled oxide particles, leading to prolonged residence times.

(2025) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Yuyang Hu "Numerical simulation of multiphase flow and particle movement in rare earth electrolytic cell", Proc. SPIE 13513, The International Conference Optoelectronic Information and Optical Engineering (OIOE2024), 1351312 (15 January 2025); https://doi.org/10.1117/12.3045443

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KEYWORDS

Particles

Metals

Oxides

Anodes

Electrolytes

Mathematical modeling

Bubbles

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