This paper deals with the modeling of a heat transfer in the switchboard cabinet by using the COMSOL Multiphysics software. The heat transfer field distribution can be seen from a typical example and discussion of its results. Furthermore, the results of simulations&#...

Temperature patterns and hardness of surfaces produced by laser cladding is modeled. The mathematical model includes the description of all important physical phenomena taking part in the process. Experimental ...

This article focuses on the possibilities of improving the efficiency of induction surface hardening (ISH) processes using a specialized spray-quench device. This quench is fabricated using 3D printing, and the load is ...

A common way of ventilating indoor spaces for more significant buildings is to use a central recuperation unit. In contrast to the decentralized recuperation unit, the system must be equipped with &...

Nowadays, the installation of photovoltaic power plants on the roof of houses is becoming more and more common. Compared to earlier times, the surplus electricity to the grid is not wel...

Through heating of titanium before plastic deformation is energy and time-consuming process. The main problem carrying out the process is used resistance furnaces which require a lot of&#x...

In this paper we present a new set-up for curing carbon fiber composite materials realised around four solid state power amplifiers generating 250 W microwave power in the frequency range 2.4 - 2.5 GHz. This microwave curing set-up improves the homogeneity of the...

In this study, the microstructure in the hardened zone of a splined shaft after scanning induction heating with two-turn inductors is studied using computational modeling. Different steel ...

n the paper numerical modeling of the process of conduction refining in the casting launder is carried out. The behavior of non- conductive particles in aluminum melt during conduction refining is investigated. Numerical calculation is performed using...

This paper describes a model of an AC arc electrical load for analysis of furnace operating in conjunction with high-speed semiconductor converter. The semiconductor converter is part of electric ...

In this abstract, the followed methodology for the multiphysical numerical modelling of the heating and melting processes of Inconel 718 superalloy in a laboratory-scale vacuum induction melting furnace is presented. The theoretical&#...

Cold wall induction (CWI) applications are widely used for melting or processing metals, oxides, glasses, and other reactive or high purity materials. Multiple studies have been made for their optimization, but their energy efficiency is still low compared to...

The values of minimum and maximum short- circuit currents are calculated at the designing of power supply systems for selecting equipment and protection systems. By means of Matlab/Simulink modeling the farthest location of&...

In the paper, when simulation of an induction pump being used two approaches, executing recalculation of electro- magnetic problem per a time step and without one. Simulation is carried out by means of open source software packages Elmer and OpenFoam with EOF-library....

A new method for heating of the rotating disks using strong permanent magnets is proposed. The results of studies of the thermal state of a rotating model disk in a &#...

The major aim of the work is to show new modern opportunities of numerical simulation of magnetohydroynamic phenomena using open source codes. The work is considered a question of calculating main induction pumps features taken into...

This paper focuses on error analysis for modelling induction heating processes.

The penetration in industrial practice of electrothermal processes is dependent on compliance with the legislation on the exposure of workers to electromagnetic fields. The purpose of this paper is to provide some&#x...

The paper is concerned with feasibility of the through heating calculation by using thermal circuits at the one-dimensional approximation. A part of paper is dedicated to just...

New approach of designing and control of induction heat treatment installations of pipes with utilizing of numerical models is developed. Models include two- dimensional simulation of coupling electromagnetic and temperature fields in cylindrical systems...