Herein, influence of coil geometry in a Czochralski crystal growth system is studied using 3D finite element method. Three different geometries for the helical RF‐coil including solenoid, conical solenoid, and rectangular are considered and distribution of magnetic flux density (through the system), produced heat in the RF‐coil and the graphite crucible, as well as heat volume integral are calculated. The obtained numerical results show that every considered coil produces a special heating structure due to its shape with some advantages and disadvantages.
Induction heating has an important role in the industrial applications. A typical induction heating system has three main parts where they are electrical source, the RF-coil and work piece. The RF-coil is one of the important parameters in setup of induction heating system. In this paper, we have been studied two kinds of coil (Single-turn and Multi-turn) using Finite Element Method (FEM) and by COMSOL MULTIPHYICS package. The results show that considering of each of this coil has significant effect on the electromagnetic fields, eddy currents and generated heat in the coil and work piece.
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