Liquid metal free surface dynamics in rotating permanent magnet stirrer

We study liquid metal stirring by rotating permanent magnets in a laboratory-scale rectangular glass container. The main goal is numerical model validation using experimental free surface shape data. We find reasonable agreement between the experiments and coupled liquid metal magnetohydrodynamics s...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-10, Vol.950 (1), p.12018
Main Authors: Dzelme, V, Jegorovs, A, Jakovics, A
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Dynamic pressure
Free surfaces
Liquid metals
Magnetism
Magnetohydrodynamic simulation
Numerical models
Permanent magnets
Rotating liquids
Rotation
Surface dynamics
Surface tension
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Summary:We study liquid metal stirring by rotating permanent magnets in a laboratory-scale rectangular glass container. The main goal is numerical model validation using experimental free surface shape data. We find reasonable agreement between the experiments and coupled liquid metal magnetohydrodynamics simulations. Since the surface tension forces are not dominant here, free surface is deformed mainly by the dynamic pressure of the bulk flow. Therefore, we can conclude that not only the free surface profile is similar to experiments, but the bulk flow must be also very similar.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/950/1/012018