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Dynamic melting model for small samples in cold crucible

Dynamic melting model for small samples in cold crucible

Bojarevics, V. ORCID: 0000-0002-7326-7748 and Pericleous, K. ORCID: 0000-0002-7426-9999 (2008) Dynamic melting model for small samples in cold crucible. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 27 (2). pp. 350-358. ISSN 0332-1649 (doi:https://doi.org/10.1108/03321640810847634)

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Abstract

Purpose – A small size cold crucible offers possibilities for melting various electrically conducting materials with a minimal wall contact. Such small samples can be used for express contamination analysis, preparing limited amounts of reactive alloys or experimental material analyses. Aims to present a model to follow the melting process.

Design/methodology/approach – The presents a numerical model in which different types of axisymmetric coil configurations are analysed.

Findings – The presented numerical model permits dynamically to follow the melting process, the high-frequency magnetic field distribution change, the free surface and the melting front evolution, and the associated turbulent fluid dynamics. The partially solidified skin on the contact to the cold crucible walls and bottom is dynamically predicted. The segmented crucible shape is either cylindrical, hemispherical or arbitrary shaped.

Originality/value – The model presented within the paper permits the analysis of melting times, melt shapes, electrical efficiency and particle tracks.

Item Type: Article
Uncontrolled Keywords: hydrodynamics, melting, modelling, numerical analysis
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
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
Related URLs:
Last Modified: 27 Apr 2020 22:56
URI: http://gala.gre.ac.uk/id/eprint/1128

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