Numerical modelling of liquid metal electromagnetic pump with rotating permanent magnets

In this work, we study rotating permanent magnet based liquid metal pump. Full 3D model of the pump is created and different approaches to electromagnetic force computation are investigated. First, we seek a possibility to model the permanent magnet block consisting of many separate magnets as a sin...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2018-10, Vol.424 (1), p.12046
Main Authors: Dzelme, V., Jakovics, A., Bucenieks, I.
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Coupling
Electromagnetic fields
Electromagnetic forces
Fluid flow
liquid metal pump
Liquid metals
Magnetism
magnetohydrodynamics
Permanent magnets
Rotating liquids
Rotation
simulation
Three dimensional models
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Summary:In this work, we study rotating permanent magnet based liquid metal pump. Full 3D model of the pump is created and different approaches to electromagnetic force computation are investigated. First, we seek a possibility to model the permanent magnet block consisting of many separate magnets as a single block with equivalent analytically prescribed magnetization. Second, different approaches regarding coupling of electromagnetic field to fluid dynamics simulation are considered. Main results show that for pump integral parameter calculation, time-dependent coupling is not necessary, although it can lead to different velocity and turbulent structure distribution in the channel.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/424/1/012046