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Selected Topics in Nonlinear Dynamics and Theoretical Electrical Engineering
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SYSNO ASEP 0386185 Document Type M - Monograph Chapter R&D Document Type Monograph Chapter Title Hard-Coupled Modeling of Induction Shrink Fit of Gas-Turbine Active Wheel Author(s) Kotlan, V. (CZ)
Karban, P. (CZ)
Ulrych, B. (CZ)
Doležel, Ivo (UT-L) RID
Kůs, Pavel (UT-L)Source Title Selected Topics in Nonlinear Dynamics and Theoretical Electrical Engineering. - Heidelberg : Springer, 2012 / Kyamakya K. ; Halang W.A. ; Mathis W. ; Chedjou J.C. ; Li Z. - ISSN 1860-949X - ISBN 978-3-642-34559-3 Pages s. 287-301 Number of pages 15 s. Number of copy 500 Number of pages 419 Publication form Print - P Language eng - English Country DE - Germany Keywords induction shrink fit ; finite element methods of higher order of accuracy ; coupled problem Subject RIV JA - Electronics ; Optoelectronics, Electrical Engineering R&D Projects GAP102/11/0498 GA ČR - Czech Science Foundation (CSF) GA102/09/1305 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20570509 - UE-C, UT-L (2005-2011) UT WOS 000312276200016 DOI https://doi.org/10.1007/978-3-642-34560-9_16 Annotation Hard-coupled model of induction heating of a ferromagnetic disk is presented. The problem is described by three coupled partial differential equations (for the distribution of electromagnetic field, temperature field and field of thermoelastic displacements) whose coefficients are temperature-dependent functions. The system is solved numerically in the monolithic formulation by a fully adaptive finite element method of higher order of accuracy implemented into own codes Hermes and Agros. The methodology is illustrated by a typical example—heating of an active wheel of a high-speed gas turbine that is to be hot-pressed on a shaft with the aim of obtaining a shrink fit allowing transferring the given torque at the nominal revolutions. Evaluated and discussed are also the parameters of the heating process in transverse and longitudinal magnetic fields. 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 2013
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