Abstract
The article is dedicated to nonstationary simulation of induction heating technology for the production of seamless large diameter tees. A mathematical model of induction heating process representing a multi-physical (heat transfer and electromagnetism) task for technology of tees production is developed. Numerical simulation was carried out for a flat spiral inductor. The developed model was verified according to the results of experimental studies. The hydrodynamic 3D mathematical model is developed for the design of the inductor cooling system. Optimal operating modes are determined by simulation results and confirmed by experimental data. The calculation results are presented for pipes with wall thicknesses: 15 mm, 40 mm, 60 mm, 70 mm.
Highlights
Heating technology without contact had been known for more than hundred years
The creation of a mathematical model is due to the need to develop an induction heating technology by a spiral inductor for the production of seamless pipe tees
According to the simulation results, the specified cooling system parameters meet the requirements for effective heat removal
Summary
Heating technology without contact had been known for more than hundred years. It comprises a wide field of applications in metalworking and in the metal-casting industry because of its outstanding benefits [1]. COMSOL Multiphysics was chosen as a software product for solving the system of differential equations describing the ongoing processes, which was used to solve problems of this nature. COMSOL Multiphysics allows to solve the following PDE equation in an arbitrary setting (without using a specific physics interface), which makes it possible to build new models and simulate non-standard processes: ea. The creation of a mathematical model is due to the need to develop an induction heating technology by a spiral inductor for the production of seamless pipe tees (see Figure 1). The frequency of 2.4 kHz was chosen as the working frequency
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