Design of a coil for electromagnetic levitation: comparison of numerical models and coil realization

Abstract

Electromagnetic levitation is a unique environment allowing for making non-contact measurements over samples of liquid metals at different temperatures. The electromagnetic coil is the core of the electromagnetic levitation system, and its design defines the amount of energy introduced into the sample as well as the shape and stability of the latter during levitation. In the present work, analytical and numerical modelling for a real electromagnetic inductor is performed and compared with experimental observations. The shape of the experimental electromagnetic coil is assured due to 3D printing of a template which is used for the coil winding. Tables 3, Figs 5, Refs 14.

Study of heat transfer in a nickel droplet in electromagnetic levitation

“…The numerical modelling is performed with the COMSOL Multiphysics R (v5.6) software, details of the model, geometrical parameters and properties of the Ni sample are given elsewhere [9], except for C p which is taken equal to 656 J/(K•kg) in this study [8]. The simulations were performed in the 2D axisymmetric geometry that well reproduces the global behaviour of the real system, except for the total power delivered to the system.…”