Keywords
electrothermal processes
thermal circles
steady-state mode
temperature distribution
How to Cite
Abstract
Based on the theory of thermal circuits, a computer model of an induction channel furnace has been developed, which is used to obtain industrial copper wire rods in the mode of continuous casting. The model allows calculating the established electrothermal processes considering the flows of cold and molten metal in its core. In the developed thermal model, it is proposed to consider the convection fluxes of heat in the metal using controlled current sources. The temperature distribution in the active zone of the channel furnace is calculated, and the influence of the mass flow of metal at the inlet and outlet of the furnace on the non-uniformity of temperature distribution in the active zone is shown. The obtained results allow determining the required electric power of the furnace at different values of the flow rate of the metal that moves continuously through its core while heating to a given temperature. The developed model is relatively easy to implement, using the Matlab/Simulink package, and allows online to estimate the melt temperature in different zones depending on the electric power consumed by the furnace and the metal consumption at the outlet of the furnace, as well as to determine rational modes of its operation. Ref. 7, fig. 4.
References
UPCAST Products: the official website of UPCAST. URL: http://www.upcast.com/rus/upcast-pro¬ducts.html
Gandhewar V.R. Induction Furnace – A Review. International Journal of Engineering and Technology. 2011. Vol. 3(4). Pp. 277284.
Bondar O.I., Glukhenky O.I.,Goryslavets Yu.M., Zapadynchuk O.P. Numerical modeling of induction channel furnace thermal state. Tekhichna electrodynamika.. 2021. No 3. Pp. 4049. DOI: https://doi.org/10.15407/techned2021.03.044 (Ukr)
Wang Q., Baokuan LI. Tsukihashi F. Modeling of a thermo-electromagneto-hydrodynamic problem in continuous casting tundish with channel type induction heating. ISIJ International, 2014. Vol. 54. No. 2. Pp. 311320. DOI:https://doi.org/10.2355/isijinternational.54.311
Shcherba A.A., Podoltsev A.D., Kucheryavaya I.N., Zolotarev V.M., Bslianin R.V. Modeling and control of long-lasting electromagnetic and thermal processes in an induction channel furnace for the production of copper wire rod. Tekhichna electrodynamika.. 2017. No 4. Pp. 5564. DOI: https://doi.org/10.15407/techned2017.04.055 (Rus)
Shcherba A.A, Podoltsev O.D, Kucheryava I.M. Two approaches to the calculation of electrothermal pro-cesses in induction heating of a moving workpiece - based on field theory and based on the theory of thermal circuits. Pratsi Instytutu Electrodynamiky Natsionalnoi Academii Nauk Ukrainy, 2021. Issue 59. Pp. 510. DOI: https://doi.org/10.15407/publishing2021.59.005 (Ukr)
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Copyright (c) 2021 A.A. Shcherba, O.D. Podoltsev, Y.V. Peretiatko, V.M. Zolotarov, R.V. Bilianin