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Optimal Distribution of Field Coils for Rotational Induction Heating of Cylindrical Workpiece
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SYSNO ASEP 0334722 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Optimal Distribution of Field Coils for Rotational Induction Heating of Cylindrical Workpiece Author(s) Donátová, M. (CZ)
Karban, P. (CZ)
Doležel, Ivo (UT-L) RIDSource Title Fifth International Scientific Symposium Elektroenergetika 2009. - Košice : Technical University of Košice, 2009 - ISBN 978-80-553-0237-9 Pages s. 63-68 Number of pages 6 s. Publication form CD ROM - CD ROM Action International Scientific Symposium ELEKTROENERGETIKA 2009 /5./ Event date 23.09.2009-25.09.2009 VEvent location Stará Lesná Country SK - Slovakia Event type EUR Language eng - English Country SK - Slovakia Keywords induction heating ; nonferromagnetic ingot ; integrodifferential approach Subject RIV JA - Electronics ; Optoelectronics, Electrical Engineering R&D Projects GA102/07/0496 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20570509 - UE-C, UT-L (2005-2011) Annotation Induction heating of cylindrical billets by their rotation in uniform magnetic field seems to be a prospective technology characterized by higher efficiency than heating in static systems. The paper deals with numerical modeling of the process with the aim to find the optimal distribution of the field coils under the condition of the same magnetomotive force. Magnetic field in the system (together with the distribution of the volume Joule losses and drag torque) is determined by the method of integrodifferential equations developed and programmed by the authors. The temperature field is calculated by the classical finite element method. The mechanical transient accompanying the startup of rotation is also taken into account. The methodology is illustrated on a typical example whose results are discussed. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2010
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