COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 27 Issue 2

State of the art of numerical modeling for induction processes

J.D. Lavers

To provide a selective bibliography for researchers and graduate students who have an interest in induction processes applied to the electromagnetic processing of materials.

Dynamic melting model for small samples in cold crucible

V. Bojarevics, K. Pericleous

A small size cold crucible offers possibilities for melting various electrically conducting materials with a minimal wall contact. Such small samples can be used for express…

Numerical studies of the melting process in the induction furnace with cold crucible

A. Umbrasko, E. Baake, B. Nacke, A. Jakovics

Aims to present recent activities in numerical modeling of cold crucible melting process.

Strategy of coupling to model physical phenomena within molten glass bath heated by direct induction

Laetitia Jacoutot, Emilien Sauvage, Annie Gagnoud, Yves Fautrelle, Patrice Brun, Jacques Lacombe

This paper aims to report on a vitrification process based on direct induction that has been developed by the French Atomic Energy Commission (CEA, France). This process is…

Particle transport in recirculated liquid metal flows

M. Kirpo, A. Jakovičs, B. Nacke, E. Baake

Aims to present recent activities in numerical modeling of turbulent transport processes in induction crucible furnace.

Modelling of EM glass convection

D. Cepīte, A. Jakovičs, B. Halbedel, U. Krieger

To develop the mathematical model, which allows predicting the temperature and flow distribution of an opaque glass melt with the temperature‐dependent properties in case it is…

Magneto‐thermal‐motion coupling in transverse flux heating

Tiberiu Tudorache, Virgiliu Fireteanu

This paper aims to deal with the 3D finite element analysis of metallic sheets heating in translating motion through the air gap of an inductor of transverse flux type.

Skin effect in toroidal conductors with circular cross‐section

A. Aliferov, S. Lupi

The paper deals with the current density distributions in toroidal conductors of circular cross‐section.

Numerical modeling of the controlled solidification process

Ştefan Nagy, Teodor Leuca, Claudiu Mich‐Vancea

This paper aims to present a numeric modeling of the electromagnetic and thermal phenomena for the non‐ferromagnetic alloys casting equipment that control the solidification…

Thermal analysis of an eddy‐current heated piece by means of the FEM‐DBCI method

G. Aiello, S. Alfonzetti, E. Dilettoso, N. Salerno

This paper aims to propose a hybrid method, called finite element method‐Dirichlet boundary condition iteration (FEM‐DBCI), for the computation of time‐harmonic eddy current…

Inductive modulated calorimetry: analytical model versus numerical simulation

P. Schetelat, J. Etay

To evaluate assumptions relevance of an analytical heat flow model used in indirect measurement of heat capacity and thermal conductivity by the modulated calorimetry technique.

Shunt active power filter implementation for induction heating applications

R. Bojoi, G. Griva, F. Profumo, M. Cesano, L. Natale

This paper aims to present the prototype of a 140 kVA shunt active power filter (APF) for current harmonics and fundamental reactive power compensation of a 200 kW induction…

Three‐dimensional eddy current analysis in unbounded domains by a DEM‐BEM formulation

Piergiorgio Alotto, Giambattista Gruosso, Federico Moro, Maurizio Repetto

To propose a novel 3D hybrid approach, based on a discrete formulation of Maxwell equations (the cell method – CM), suitable for solving eddy current problems in unbounded domains.

Electromagnetic and thermal analysis of the induction heating of aluminum billets rotating in DC magnetic field

R. Araneo, F. Dughiero, M. Fabbri, M. Forzan, A. Geri, A. Morandi, S. Lupi, P.L. Ribani, G. Veca

The paper aims to deal with the induction heating of metal billets rotating in a DC magnetic field.

DC induction heating of aluminum billets using superconducting magnets

Massimo Fabbri, Antonio Morandi, Pier Luigi Ribani

To analyse the heating process of an aluminum billet rotating in a static magnetic field produced by superconducting coils.

Enhanced reactive NiAl coatings by microwave‐assisted SHS

P. Veronesi, C. Leonelli, G. Poli, A. Casagrande

The paper aims to focus on microwave (2.45 GHz) assisted SHS (MA‐SHS) preparation of NiAl intermetallic coatings on titanium substrates conducted in single mode applicator in…

Effect of PEG number on dielectric properties of paraffin‐based PEG polymers at microwave frequencies

Yoko Yamada Pittini, Dana Daneshvari, Susanne Leparoux, Sébastien Vaucher, Axel Ritter, Lukas Rohr, Hans Leuenberger

To investigate the effect of poly ethylene glycol (PEG) chain length on the dielectric properties of paraffin‐based PEG polymers (H(CH₂)_n–(OCH₂CH₂)_mOH) from both experimental and…

Simplified robust adaptive control of a class of time‐varying chaotic systems

Jorge L. Estrada, Manuel A. Duarte‐Mermoud, Juan C. Travieso‐Torres, Nicolás H. Beltrán

To develop a simplified robust control scheme for a class of nonlinear time‐varying uncertain chaotic systems.

Reconfiguration of impulse‐voltage generator for conducting standard lightning tests: A comparative investigation

M. El‐Adawy Khalil, I.A. Metwally

Loading the impulse‐voltage generator by test object can affect the generated voltage waveform. It is well known that reconfiguring these generators by changing the high‐voltage…

Fast response adaptive fuzzy logic controller for sensorless direct torque control of PMSM with minimum torque ripple

Ali Ahmed Adam, Kayhan Gulez

The paper seeks to provide an adaptive fuzzy logic controller for permanent magnet synchronous motor (PMSM) under direct torque control (DTC) algorithm to minimize the torque…

Evolutionary multi‐objective design of non‐uniform circular phased arrays

Marco A. Panduro, Carlos A. Brizuela

The purpose of this paper is to present the application of an efficient genetic algorithm to deal with the problem of computing the trade‐off curves for non‐uniform circular…

Selected paper from HES-07

Sergio Lupi, Fabrizio Dughiero, Egbert Baake