Numerical and experimental study of liquid metal stirring by rotating permanent magnets

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Dzelme, V.; Jakovics, A.; Vencels, J.; Köppen, D.; Baake, E.: Numerical and experimental study of liquid metal stirring by rotating permanent magnets. In: IOP Conference Series: Materials Science and Engineering 424 (2018), Nr. 1, 12047. DOI:

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In this work, we study liquid gallium stirring by rotating permanent magnets. We demonstrate possibility of easily creating different flow patterns by rotating permanent magnets, which can be industrially important for controlling heat and mass transfer processes in the system. Unlike the typical approach of simulating magnet rotation as a transient problem and time-averaging the Lorentz forces, we solve the magnet rotation as a harmonic (frequency domain) problem, which leads to forces equal to time-averaged ones and decreases the simulation time considerably. Numerical results are validated using qualitative flow structure results from the neutron radiography visualization of tracer particles and quantitative data from Ultrasound Doppler velocimetry.
License of this version: CC BY 3.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2018
Appears in Collections:Fakultät für Elektrotechnik und Informatik

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