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Modeling the dynamics of Magnetic Semilevitation Melting

Modeling the dynamics of Magnetic Semilevitation Melting

Bojarevics, V., Pericleous, K. ORCID: 0000-0002-7426-9999 and Cross, M. (2000) Modeling the dynamics of Magnetic Semilevitation Melting. Metallurgical and Materials Transactions B, 31 (1). pp. 179-189. ISSN 1073-5623 (Print), 1543-1916 (Online) (doi:10.1007/s11663-000-0143-7)

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Abstract

In semilevitation melting, a cylindrical metal ingot is melted by a coaxial a.c. induction coil. A watercooled solid base supports the ingot, while the top and side free surface is confined by the magnetic forces as the melting front progresses. The dynamic interplay between gravity, hydrodynamic stress, and the Lorentz force in the fluid determines the instantaneous free surface shape. The coupled nonstationary equations for turbulent flow, heat with phase change, and high-frequency electromagnetic field are solved numerically for the axisymmetric time-dependent domain by a continuous mesh transformation, using a pseudospectral method. Results are obtained for the two actually existing coil configurations and several validation cases.

Item Type: Article
Uncontrolled Keywords: electromagnetic processing, materials, MHD
Subjects: Q Science > QA Mathematics > QA76 Computer software
T Technology > TN Mining engineering. Metallurgy
Pre-2014 Departments: School of Computing & Mathematical Sciences
School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis
School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Science & Engineering Group
School of Computing & Mathematical Sciences > Department of Computer Systems Technology
School of Computing & Mathematical Sciences > Department of Mathematical Sciences
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Last Modified: 14 Oct 2016 08:59
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/274

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