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

authored by: V. Dzelme, A. Jakovics, J. Vencels, D. Köppen, E. Baake
Abstract: 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.
Organisation(s): Institute of Electrothermic Process Engineering
External Organisation(s): University of Latvia
Type: Conference contribution
Volume: 424
Publication date: 13.10.2018
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Materials Science(all), Engineering(all)
Electronic version(s): https://doi.org/10.1088/1757-899X/424/1/012047 (Access: Open)

BibTeX

@inproceedings{e63625d96e434439aa245c74f25dd986,
title = "Numerical and experimental study of liquid metal stirring by rotating permanent magnets",
abstract = "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.",
keywords = "liquid metal stirring, magnetohydrodynamics, neutron radiography, numerical modelling, UDV",
author = "V. Dzelme and A. Jakovics and J. Vencels and D. K{\"o}ppen and E. Baake",
year = "2018",
month = oct,
day = "13",
doi = "10.1088/1757-899X/424/1/012047",
language = "English",
volume = "424",
series = "IOP Conference Series: Materials Science and Engineering",
booktitle = "9th International Symposium on Electromagnetic Processing of Materials (EPM2018)14–18 October 2018, Hyogo, Japan",
note = "9th International Symposium on Electromagnetic Processing of Materials, EPM 2018 ; Conference date: 14-10-2018 Through 18-10-2018",
}