Electromagnetic Thermal Coupled Analysis of a Linear Induction Furnace with Rotational Symmetry

Essam,; Abdul-Baki, M.; Fadhil,; Abood, A.; Mansur, Z.; Abdul-Karim,; F. Batti, Akram

	Electromagnetic Thermal Coupled Analysis of a Linear Induction Furnace with Rotational Symmetry
Journal of Engineering and Sustainable Development
Article 1, Volume 14, Issue 3, 2010, Pages 38-52
Authors
; M. Abdul-Baki; ; A. Abood; Z. Mansur; ; Akram F. Batti
Abstract
This research deals with a modeling of the heating process of an induction furnace with a conducting non-ferromagnetic core. This is done by performing a sequential coupling between two types of analysis; the harmonic electromagnetic analysis and the transient thermal analysis in order to furnish a complete numerical simulation of this device. The Finite Element Method (FEM) is considered in order to solve this problem using the "ANSYS" computer package. The proposed coupling algorithm deals with different heat treatment procedures by induction for any axi-symmetrical linear work piece has been built. The obtained results show a good agreement with the published practical measurements. This work aids to declare the behavior of the furnace during the heating process, and leads the designer to determine the required geometry of the furnace, its excitation current and frequency suitable to do certain heat treatment of a defined work piece in shape and composition. So, this algorithm is a computer aided design for a linear induction furnace with rotational symmetry. This algorithm can be used to design such devices instead of the traditional trial and error, experience dependant, design methods which lead to loss time, money and efforts.

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