A model of determining the time necessary for induction heating of a ferromagnetic cylindrical charge to the Curie temperature is presented, together with finding its sensitivity to variable input parameters. While the geometry of the inductor and charge are known together with the frequency of the field current, the input variables are represented by electromagnetic and thermal properties of the charge (nonlinear saturation curve, temperature dependence of its magnetic permeability and temperature dependencies of electric and thermal conductivities and specific heat capacity). The methodology is illustrated with a typical example.
Sensitivity analysis of time of induction heating process on charge parameters
Forzan M.;
2020
Abstract
A model of determining the time necessary for induction heating of a ferromagnetic cylindrical charge to the Curie temperature is presented, together with finding its sensitivity to variable input parameters. While the geometry of the inductor and charge are known together with the frequency of the field current, the input variables are represented by electromagnetic and thermal properties of the charge (nonlinear saturation curve, temperature dependence of its magnetic permeability and temperature dependencies of electric and thermal conductivities and specific heat capacity). The methodology is illustrated with a typical example.
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