Induction Heating and Heat Treatment
Melting of Glasses and Oxides
This article provides an overview of the models of two induction heating devices, namely, induction crucible furnace (ICF) and induction furnace with slits, or segmented and water-cooled induction furnace with cold crucible (IFCC). These devices are used for melting with skull formation of low-conductivity materials such as glasses and oxides. The article presents the governing equations and boundary conditions for ICF and IFCC modeling. It includes a discussion on three electromagnetic field models in IFCC, namely, two-dimensional (2-D), quasi-three-dimensional, and three-dimensional (3-D) models. The article provides information on the simulation of skull formation in IFCC, and elucidates the transient axisymmetrical 2-D model and the transient 3-D model, including the primary results achieved for both glasses and skull formation.