There has been set and analytically solved task on calculation of the electromagnetic field in the area of the "cylindric inductor -channel with liquid metal" system. The inductor part includes a polyphase winding with electric current that enables generating the rotating magnetic field. The solution for electromagnetic field vector has been found in the Fourier series of a complex form using Bessel functions. The task was solved in a 2D design using the cylindrical coordinate system. There have been obtained the relations of the current density in the channel metal, electromagnetic power and moment to the parameters and modes of system operation. The electromagnetic rotator for the liquid metal can be used to introduce fine metal particles (chips, sawdust) into the reverberatory melting furnace.
This article describes the electromagnetic field analytical model of magnetohydrodynamic (MHD) stirrer with nonsinusoidal current, built with the account of the longitudinal edge effect. The solution is obtained in the form of a Fourier series in a comprehensive way. Differential and integral properties of the system have been defined. There have been received differential and integral characteristics, which are the basis for building the power supply source and control systems for the liquid metal stirring process.
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