Numerical Modeling of Free Surface Dynamics of Melt in an Alternate Electromagnetic Field: Part I. Implementation and Verification of Model

By means of ANSYS Classic and ANSYS CFX external coupling, a numerical model for free surface dynamics of electrically conductive fluid in an alternate electromagnetic field is developed. Volume of Fluid (VOF) numerical technique and k–ω SST turbulence model are applied for the high Reynolds number...

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Bibliographic Details
Published in:Metallurgical and materials transactions. B, Process metallurgy and materials processing science Process metallurgy and materials processing science, 2013-06, Vol.44 (3), p.593-605
Main Authors: Spitans, Sergejs, Jakovics, Andris, Baake, Egbert, Nacke, Bernard
Format: Article
Language:English
Subjects:
Applied sciences
Characterization and Evaluation of Materials
Chemistry and Materials Science
Dynamic tests
Dynamics
Electric induction furnaces
Exact sciences and technology
Fluid flow
Materials Science
Mathematical models
Melting
Metallic Materials
Metals. Metallurgy
Nanotechnology
Numerical analysis
Production of metals
Structural Materials
Surface chemistry
Surfaces and Interfaces
Thin Films
Three dimensional
Turbulence models
Turbulent flow
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Summary:By means of ANSYS Classic and ANSYS CFX external coupling, a numerical model for free surface dynamics of electrically conductive fluid in an alternate electromagnetic field is developed. Volume of Fluid (VOF) numerical technique and k–ω SST turbulence model are applied for the high Reynolds number two-phase flow calculation. The model is extended on 3D and adjusted for the case of electromagnetic levitation. Results for the steady-state free surface shapes obtained with transient calculations are compared with other models and experimental measurements in induction furnaces, induction furnace with cold crucible, and electromagnetic levitation melting device. Numerical calculation results of free surface dynamics are compared with analytic estimation of free surface oscillation period. Parameter studies by means of developed approach and comparison between 3D simulations of free surface dynamics of electromagnetically induced flow with k–ω SST and large eddy simulation (LES) turbulence models are discussed in the second part of the article to follow.
ISSN:1073-5615
1543-1916
DOI:10.1007/s11663-013-9809-9