Details
| Original language | English |
|---|---|
| Pages (from-to) | 522-536 |
| Number of pages | 15 |
| Journal | Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science |
| Volume | 47 |
| Issue number | 1 |
| Publication status | Published - 16 Nov 2015 |
Abstract
By means of external coupling between electromagnetic (EM) problem in ANSYS and hydrodynamic problem in FLUENT, a numerical model for the liquid metal free surface flow in an alternate EM field has been developed and verified in the first part of the article. Volume of Fluid (VOF) algorithm has been used for tracking of free surface. In this work, improved performance of the model is presented. General validation of the VOF algorithm is performed by comparison of the calculated free oscillations of the liquid column to its analytical solution. The 3D/VOF calculation of coupled EM field and free surface flow with Large Eddy Simulation turbulence description for the first time is applied for modeling of conventional EM levitation. Calculation results are compared with 2D/VOF and 3D/VOF models that use less precise k–ε and k–ω SST turbulence formulations. Obtained time-averaged droplet shapes are used for single-phase flow calculations with different turbulence models and free-slip/no-slip velocity conditions at the fixed free surface for validation of the flow. Meanwhile, series of levitation melting experiments are performed for verification of the simulated droplet shapes. In conclusion, parameter impact on the fully developed flow and the levitated droplet shape is discussed.
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Condensed Matter Physics
- Engineering(all)
- Mechanics of Materials
- Materials Science(all)
- Metals and Alloys
- Materials Science(all)
- Materials Chemistry
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In: Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science, Vol. 47, No. 1, 16.11.2015, p. 522-536.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Numerical Modeling of Free Surface Dynamics of Melt in an Alternate Electromagnetic Field. Part II
T2 - Conventional Electromagnetic Levitation
AU - Spitans, Sergejs
AU - Baake, Egbert
AU - Nacke, Bernard
AU - Jakovics, Andris
N1 - Funding information: This work has been supported by the European Social Fund within the project “Support for Doctoral Studies at University of Latvia” No. 2009/0162/1DP/1.1.2.1.1/09/IPIA/VIAA/004. The authors wish to acknowledge the German Research Association for supporting this study under the Grant No. BA 3565/3-2. The authors would like to thank Dr. Valdis Bojarevics for kindly sharing his simulation data of Okress et al. experiment within personal communication.
PY - 2015/11/16
Y1 - 2015/11/16
N2 - By means of external coupling between electromagnetic (EM) problem in ANSYS and hydrodynamic problem in FLUENT, a numerical model for the liquid metal free surface flow in an alternate EM field has been developed and verified in the first part of the article. Volume of Fluid (VOF) algorithm has been used for tracking of free surface. In this work, improved performance of the model is presented. General validation of the VOF algorithm is performed by comparison of the calculated free oscillations of the liquid column to its analytical solution. The 3D/VOF calculation of coupled EM field and free surface flow with Large Eddy Simulation turbulence description for the first time is applied for modeling of conventional EM levitation. Calculation results are compared with 2D/VOF and 3D/VOF models that use less precise k–ε and k–ω SST turbulence formulations. Obtained time-averaged droplet shapes are used for single-phase flow calculations with different turbulence models and free-slip/no-slip velocity conditions at the fixed free surface for validation of the flow. Meanwhile, series of levitation melting experiments are performed for verification of the simulated droplet shapes. In conclusion, parameter impact on the fully developed flow and the levitated droplet shape is discussed.
AB - By means of external coupling between electromagnetic (EM) problem in ANSYS and hydrodynamic problem in FLUENT, a numerical model for the liquid metal free surface flow in an alternate EM field has been developed and verified in the first part of the article. Volume of Fluid (VOF) algorithm has been used for tracking of free surface. In this work, improved performance of the model is presented. General validation of the VOF algorithm is performed by comparison of the calculated free oscillations of the liquid column to its analytical solution. The 3D/VOF calculation of coupled EM field and free surface flow with Large Eddy Simulation turbulence description for the first time is applied for modeling of conventional EM levitation. Calculation results are compared with 2D/VOF and 3D/VOF models that use less precise k–ε and k–ω SST turbulence formulations. Obtained time-averaged droplet shapes are used for single-phase flow calculations with different turbulence models and free-slip/no-slip velocity conditions at the fixed free surface for validation of the flow. Meanwhile, series of levitation melting experiments are performed for verification of the simulated droplet shapes. In conclusion, parameter impact on the fully developed flow and the levitated droplet shape is discussed.
UR - http://www.scopus.com/inward/record.url?scp=84958171623&partnerID=8YFLogxK
U2 - 10.1007/s11663-015-0515-7
DO - 10.1007/s11663-015-0515-7
M3 - Article
AN - SCOPUS:84958171623
VL - 47
SP - 522
EP - 536
JO - Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
JF - Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
SN - 1073-5615
IS - 1
ER -