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Induction heating of cylindrical billets by rotation in uniform magnetic field solved as mechanical transient

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    0334727 - ÚT 2010 RIV ES eng C - Conference Paper (international conference)
    Donátová, M. - Karban, P. - Doležel, Ivo
    Induction heating of cylindrical billets by rotation in uniform magnetic field solved as mechanical transient.
    [Indukční ohřev válcových ingotů rotujících v homogenním magnetickém poli řešený jako mechanický přechodný jev.]
    11th Spanish Portuguese Conference On Electrical Engineering (11CHLIE). Vigo: Vigo University, 2009, s. 1-6. ISBN 84-613-2234-3.
    [Spanish Portuguese Conference On Electrical Engineering /11./. Zaragoza (ES), 01.07.2009-04.07.2009]
    R&D Projects: GA ČR(CZ) GA102/07/0496
    Institutional research plan: CEZ:AV0Z20570509
    Keywords : induction heating * integrodifferential method * finite element method
    Subject RIV: JA - Electronics ; Optoelectronics, Electrical Engineering
    http://www.aedie.org

    Induction heating of long cylindrical nonmagnetic billets rotating in uniform magnetic field belongs to progressive techniques of heat treatment of solid metals. The paper presents the complete mathematical model of the process consisting of an integrodifferential equation describing the distribution of eddy current densities in the system, partial differential equation describing the time evolution of temperature field, and a strongly nonlinear ordinary differential equation characterizing the time evolution of rotation. The model is then solved numerically by a combined technique developed by the authors. The theoretical analysis is illustrated on an example whose results are discussed.

    Příspěvek je věnován integrodiferenciálním modelování indukčního ohřevu válcových ingotů rotujících v homogenním magne-tickém poli. Model respektuje i mechanický přechodný jev, jeho význam je však poměrně malý.
    Permanent Link: http://hdl.handle.net/11104/0179382

     
     
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