Abstract
In the paper is shown the connection of two toolboxes in an Ansys Workbench solution for induction heating. In Ansys Workbench, Maxwell electromagnetism programs and Fluent have been linked. In Maxwell, a simulation of electromagnetic induction was performed, where data on the magnetic field distribution in the heated material was obtained and then transformed into the Fluent program in which the induction heating simulation was performed.
Highlights
Induction heating is one of the heating variants, the principles of which are used mainly in industrial applications, melting, shaping, hardening, annealing of materials, and in the home in the form of induction cookers and cooking plates
Induction heating uses the principle of the action of the electromagnetic field described by Maxwell's equations on ferromagnetic material
As a result of electromagnetic induction, swirled currents are induced in the heated object, which have the opposite orientation as the current in the induction coil
Summary
Induction heating is one of the heating variants, the principles of which are used mainly in industrial applications, melting, shaping, hardening, annealing of materials, and in the home in the form of induction cookers and cooking plates. The distance from the surface of the wire along which the current density exponentially decreases to 1/e = 0.368 the current density around the conductor, is referred to as the depth of penetration. In this layer, it is concentrated approximately 63 % induced current and 87 % heat generated. The depth of penetration depends on the electrical and magnetic properties of the material and on the frequency of the current in the induction coil according equation: [2, 5]. The conductive materials are strongly ferromagnetic, the penetration depth is small, resulting in a rapid heating of the surface of the body. Where the required temperature after induction heating is on the tube surface 1 030 °C and on its inner part 1 000 °C with a tolerance ±20 °C
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