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COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering
ISSN: 0332-1649
Online from: 1982
Subject Area: Electrical & Electronic Engineering
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Finite-element analysis of a shielded pulsed-current induction heater: Experimental validation of a time-domain thin-shell approach
| Title: | Finite-element analysis of a shielded pulsed-current induction heater: Experimental validation of a time-domain thin-shell approach |
|---|---|
| Author(s): | Ruth V. Sabariego, (Applied and Computational Electromagnetics (ACE), Department of Electrical Engineering and Computer Science (Institut Montefiore), University of Liège, Liège, Belgium), Peter Sergeant, (Department of Electrical Energy, Systems and Automation, Ghent University, Ghent, Belgium and Department of Electrotechnology, Faculty of Applied Engineering Sciences, University College Ghent, Ghent, Belgium), Johan Gyselinck, (Graduated in Electromechanical Engineering in 1991 and received the PhD degree in 2000, both at the Ghent University, Belgium), Patrick Dular, (Received the Electrical Engineer degree and PhD degree in Applied Science from the University of Liège, Belgium, in 1990 and 1994, respectively), Luc Dupré, (Full Professor at the Ghent University), Christophe Geuzaine, (Currently leads the Applied and Computational Electromagnetics research group) |
| Citation: | Ruth V. Sabariego, Peter Sergeant, Johan Gyselinck, Patrick Dular, Luc Dupré, Christophe Geuzaine, (2010) "Finite-element analysis of a shielded pulsed-current induction heater: Experimental validation of a time-domain thin-shell approach", COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, Vol. 29 Iss: 6, pp.1585 - 1595 |
| Keywords: | Electric motors, Electromagnetism, Finite-element methods, Heaters |
| Article type: | Research paper |
| DOI: | 10.1108/03321641011078652 (Permanent URL) |
| Publisher: | Emerald Group Publishing Limited |
| Acknowledgements: | This work is partly supported by the Belgian Science Policy (IAP P6/21) and the Walloon Region. |
| Abstract: | Purpose – The aim of this paper is the experimental validation of an original time-domain thin-shell formulation. The numerical results of a three-dimensional thin-shell model are compared with the measurements performed on a heating device at different working frequencies. Design/methodology/approach – A time-domain extension of the classical frequency-domain thin-shell approach is used for the finite-element analysis of a shielded pulse-current induction heater. The time-domain interface conditions at the shell surface are expressed in terms of the average flux density vector in the shell, as well as in terms of a limited number of higher-order components. Findings – A very good agreement between measurements and simulations is observed. A clear advantage of the proposed thin-shell approach is that the mesh of the computation domain does not depend on the working frequency anymore. It provides a good compromise between computational cost and accuracy. Indeed, adding a sufficient number of induction components, a very high accuracy can be achieved. Originality/value – The method is based on the coupling of a time-domain 1D thin-shell model with a magnetic vector potential formulation via the surface integral term. A limited number of additional unknowns for the magnetic flux density are incorporated on the shell boundary. |
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