Numerical Modelling of Induction Channel Furnace Thermal State

Bondar, O.I.; Glukhenkyi, O.I.; Goryslavets, Yu.M.; Zapadynchuk, O.P.

doi:10.15407/techned2021.03.044

Teh. elektrodin.

2021

DOI: 10.15407/techned2021.03.044

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Numerical Modelling of Induction Channel Furnace Thermal State

O.I. Bondar¹,

O.I. Glukhenkyi²,

Yu.M. Goryslavets³

et al.

Abstract: A mathematical model that describes heat and mass transfer processes in an induction channel furnace is presented. Using the example of a two-phase channel furnace with standard form of channels, the influence of the phase angle between the voltages supplying the furnace inductors on the thermal state of the liquid metal is considered. Values of this angle, which provide minimal melt overheating in channels in comparison with furnace bath have been determined. Ways of intensification of heat and mass transfer … Show more

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Calculation of Electrothermal Processes in the Induction Channel Furnace in the Steady-State Operation Based on the Theory of Thermal Circuits

Shcherba¹,

Podoltsev²,

Peretiatko³

et al. 2021

Praci Inst. elektrodin. Nac. akad. nauk Ukr.

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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.

show abstract

Calculation of Electrothermal Processes in the Induction Channel Furnace in the Steady-State Operation Based on the Theory of Thermal Circuits

Shcherba¹,

Podoltsev²,

Peretiatko³

et al. 2021

Praci Inst. elektrodin. Nac. akad. nauk Ukr.

View full text Add to dashboard Cite

show abstract

The Influence of the Shape of the Inductor Current and the Magnetic Flux of the Electromagnet on the Electromagnetic Force Acting on the Molten Metal in the Active Zone of the Magnetodynamic Pump

Shcherba,

Lomko

2023

Praci Inst. elektrodin. Nac. akad. nauk Ukr.

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The processes of creating an electromagnetic force acting on the molten metal in the active zone of a magnetodynamic pump are studied depending on the spectral composition of the higher harmonic components of the current in the chan-nel and the induction of the magnetic flux induced by an electromagnet. The peculiarities of the regulation of the mag-nitude and direction of the resultant vector of this force, the favorable conditions of the vibrational action on the molten metal in the active zone are defined. Ref. 8, fig. 4, tables 3. Key words: inductor, electromagnet, active zone, phase control, spectral analysis, electromagnetic force.

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Intensification of Heat and Mass Transfer in Induction Channel Furnaces

Bondar¹,

Goryslavets²,

Zharkin³

2022

Teh. Elektrodin.

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On the basis of the formulated mathematical model the thermal state of a two-phase (two-channel) induction furnace for melting cast iron with channels of standard and new configuration (shape) taking into account thermal convection is investigated. The influence of the phase angle between the voltages supplying the furnace inductors on the overheating of the metal in the channels is determined. Practical recommendations for reducing this overheating are presented, which allows to reduce energy losses, i.e. to increase the efficiency of furnaces and increase their service life. References 10, tables 2, figures 4.

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Numerical Modelling of Induction Channel Furnace Thermal State

Cited by 3 publications

References 4 publications

Calculation of Electrothermal Processes in the Induction Channel Furnace in the Steady-State Operation Based on the Theory of Thermal Circuits

Calculation of Electrothermal Processes in the Induction Channel Furnace in the Steady-State Operation Based on the Theory of Thermal Circuits

The Influence of the Shape of the Inductor Current and the Magnetic Flux of the Electromagnet on the Electromagnetic Force Acting on the Molten Metal in the Active Zone of the Magnetodynamic Pump

Intensification of Heat and Mass Transfer in Induction Channel Furnaces

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