Impurity Distribution in a Two-Sided Electromagnetic Stirrer

Shvydkii, E. L.; Bychkov, S. A.; Захаров, В. В.; Sokolov, Igor; Tarasov, F. E.

doi:10.1134/s0036029519060156

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…Previous studies of particles transport in the EM-driven flow used the Stokes' drag law (Kirpo et al, 2008;Shvydkii et al, 2019), but it is not suitable for intensive flow rates (Figure 2). Owing to a relatively high Reynolds number of MHD flow, the Schiller-Naumann law was chosen for drag force calculation (Clift, 1978).…”

Section: Modelmentioning

confidence: 99%

Influence of vessel dimensions on particles homogenization and heat removing in TMF stirrer

Evgeny

Sokolov

Bolotin

et al. 2020

COMPEL

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Purpose The purpose of this paper is to determine how the shape of the container affects the efficiency of a traveling magnetic field (TMF) stirring. Design/methodology/approach The modeling approach is based on finite element software Comsol which includes harmonic electromagnetic (EM), transient CFD and particle tracing modules. For evaluating efficiency of stirring the particle, homogenization parameter is used. Findings It has been determined that the use of an elliptical cylinder-shaped vessel allows better heat removal from the side surface and, at the same time, the stirring efficiency does not drop significantly. Practical implications The results of the work can be used in the design of EM stirring installations in which exothermic reactions occur. Originality/value The transient simulation of particle transport in a TMF-driven melt flow gives the opportunity to estimate the efficiency of stirring process in different vessel shapes.

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Section: Modelmentioning

confidence: 99%

Influence of vessel dimensions on particles homogenization and heat removing in TMF stirrer

Evgeny

Sokolov

Bolotin

et al. 2020

COMPEL

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Three-Dimensional Numerical Model of a Double-Sided Electromagnetic Stirrer of a Traveling Magnetic Field

Shvydkiy

Baake

2019

2019 XXI International Conference Complex Systems: Control and Modeling Problems (CSCMP)

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Liquid Metal Flow Under Traveling Magnetic Field—Solidification Simulation and Pulsating Flow Analysis

Shvydkiy

Baake

Köppen

2020

Metals

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Non steady applied magnetic field impact on a liquid metal has good prospects for industry. For a better understanding of heat and mass transfer processes under these circumstances, numerical simulations are needed. A combination of finite elements and volumes methods was used to calculate the flow and solidification of liquid metal under electromagnetic influence. Validation of numerical results was carried out by means of measuring with ultrasound Doppler velocimetry technique, as well as with neutron radiography snapshots of the position and shape of the solid/liquid interface. As a result of the first part of the work, a numerical model of electromagnetic stirring and solidification was developed and validated. This model could be an effective tool for analyzing the electromagnetic stirring during the solidification process. In the second part, the dependences of the velocity pulsation amplitude and the melt velocity maximum value on the magnetic field pulsation frequency are obtained. The ability of the pulsating force to develop higher values of the liquid metal velocity at a frequency close to the MHD resonance was found numerically. The obtained characteristics give a more detailed description of the electrically conductive liquid behaviour under action of pulsating traveling magnetic field.

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Impurity Distribution in a Two-Sided Electromagnetic Stirrer

Cited by 3 publications

References 8 publications

Influence of vessel dimensions on particles homogenization and heat removing in TMF stirrer

Influence of vessel dimensions on particles homogenization and heat removing in TMF stirrer

Three-Dimensional Numerical Model of a Double-Sided Electromagnetic Stirrer of a Traveling Magnetic Field

Liquid Metal Flow Under Traveling Magnetic Field—Solidification Simulation and Pulsating Flow Analysis

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