... was designed, manufactured and installed to study the industrial processes of heating and melting a small amount of melt, being 4.6 kg of steel in the case under study. Numerical modelling of metal melting was performed using the enthalpy and porosity approach at equal values and non-equal values...

...Abdelazeem Hassan Shehata Atyia; Abdelrahman Mohamed Ghanim Purpose The accurate modeling of magnetic hysteresis in electrical steels is important in several electrical and electronic applications. Numerical models have long been known that can correctly reproduce some typical behaviours...

... 2018 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Inverse problems Tomography Numerical modelling Finite element method Electrical conductivity Inhomogeneous media The paper presents a new method for testing the humidity of brick...

... the leakage field and uneven degree of branch currents. The results and numerical model are very useful for the design of a HTS transformer. Originality/value The leakage field distribution and branch currents nonuniformity for 25 parallel DPs are investigated and optimized. To compare the influence...

... can be contacted at: francis.piriou@univ-lille1.fr © Emerald Group Publishing Limited 2015 3D FEM Applied electromagnetics Electromagnetic fields Numerical modelling For many years a lot of work has been done on the numerical error estimators. Some contributions are based...

... temperature uniformity. Lower rotation speeds are not always preferred. The results and numerical model developed are very useful in the design of a superconducting DC induction heater. Originality/value – The temperature uniformity of aluminium billets heated by DC induction heaters is investigated...

... as: (Equation 5) © Emerald Group Publishing Limited 2014 Modelling Numerical modelling Microwave transistors Nonlinear analysis Polynomials When designing modern complex, highly integrated and tightly specified circuits, designers are depending on the information provided by circuit...

... process has not been discussed there. In this work, an improved simulation workflow for the needed FEM simulations is proposed and presented. Furthermore, a revised quint-cubic spline parameter calculation method is introduced in detail. Finite element modelling Numerical modelling Induction...

... on the terahertz NDT are outlined and then, general remarks on its numerical modelling are presented. Frequency domain FEM and time domain FDTD analysis is carried out. Finally comparison of computed and measured signals is shown in order to prove numerical analysis correctness. Findings It is possible...

... the convergence is reached for this time step, the voltage is modified according to the desired power and the resonant frequency is searched again. This process continues until the end of the heating process. Induction heating Numerical modelling FEM Curie point Modelling Heating...

... Limited 2012 Boundary‐elements method Electrical conductivity Inhomogeneous media Inverse problems Numerical modelling Tomography Brick wall dampness testing plays a major role in the assessment of the technical condition of building structures, especially old apartment...

.... Originality/value The operational and mechanical constraints on a high‐efficiency DC induction heater for aluminum billets using superconducting coils are investigated. Numerical models, based on an equivalent electric network with temperature dependent parameters, have been developed for the calculation...

... sets, but also simple static converter applications or structures modelled by several states (Gerbaud et al., 1997). © MCB UP Limited 2001 Sizing Optimization Modelling Numerical modelling Software Electronics The paper proposes to combine symbolic models...

...Florin David; Tiberiu Tudorache; Virgiliu Firteanu This paper presents a 3D numerical modeling of electromagnetic and thermal fields in three‐phase electric arc furnaces. The thermal effect of the foamy slag is studied in the first part of the paper. The Joule power density is calculated with an AC...

... al., 1996). And yet, as the autonomous induction generator is assumed to supply an isolated user, the load is not inevitably balanced. Moreover, the system is not necessarily free from faults. In this paper, we will develop a numerical model, based on the FEM which can be used to study...