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Numerical Modeling of Cold Crucible Induction Melting

I. Quintana[1], Z. Azpilgain[1], D. Pardo[2], and I. Hurtado[1]
[1]Mechanical and Industrial Production Department, Faculty of Engineering, Mondragon Unibertsitatea, Loramendi 4, Mondragon 20500 Gipuzkoa, Spain
[2]Department of Applied Mathematics, Statistics, and Operational Research, University of the Basque Country (UPV/EHU), Leioa, Spain, and IKERBASQUE (Basque Foundation for Sciences), Bilbao, Spain

This paper describes a numerical solution method for the simulation of a cold crucible induction melting (CCIM) process involving the coupling of ...

Transient Modelling of a Fluorine Electrolysis Cell; Fully Coupled Electric Currents, Heat-Transfer, Diluted Species Transport and Laminar Bubbly Flow

R. Pretorius[1], P. L. Crouse[1], and C. J. Hattingh[2]
[1]University of Pretoria, Pretoria, Gauteng, South Africa
[2]Metallurgical Testing and Consultation (MTC) cc, Farrarmere, South Africa

A laboratory-scale fluorine reactor was simulated with COMSOL Multiphysics®. This model employs fundamental fully coupled electron-, heat-, mass- and ...

Analysis of a Three-phase Transformer Using COMSOL Multiphysics and a Virtual Reality Environment

A.Buchau, and W. M. Rucker
Institut für Theorie der Elektrotechnik
Universität Stuttgart
Stuttgart, Germany

The simulation software COMSOL Multiphysics is applied to the numerical com-putation of the magnetic fields of a three-phase transformer. A three ...

Heat and Mass Transfer in a Gypsum Board Subjected to Fire

B. Weber
Empa
Swiss Federal Laboratories for Materials Science and Technology
Duebendorf, Switzerland

Heat and mass transfer through a gypsum board exposed to fire is simulated and compared to experimental data. The gypsum board is modeled as a porous ...

Expert System for Synchronous Machines Based on COMSOL Multiphysics

G. E. Stebner, and C. Hartwig
Ostfalia University
IMEC
Wolfenbüttel, Germany

Even though the researches in synchronous machines are advanced, the practical design still is a problem because of the complex interaction between ...

Multiphysics Modeling of a Gas Bubble Expansion

B. Chinè [1], and M. Monno[2]
[1]Laboratorio MUSP, Macchine Utensili e Sistemi di Produzione, Piacenza, Italy and Instituto Tecnologico de Costa Rica, Cartago, Costa Rica
[2]Politecnico di Milano, Dipartimento di Meccanica, Milano, Italy

Modeling and simulation softwares are very useful tools when we have to analyse and understand the different phenomena occurring during metal foams ...

High Frequency Magnetohydrodynamic Calculations in COMSOL

N. Kleinknecht, and S. A. Halvorsen
Teknova AS
Kristiansand, Norway

In many metallurgical processes metals are (heated and) stirred by an oscillating external magnetic field. The magnetic field induces electric currents ...

Direct Pore-scale Modeling of Two-phase Flow Through Natural Media

I. Bogdanov, J. Kpahou, and A. Kamp
Open and Experimental Centre for Heavy Oil (CHLOE)
University of Pau
Pau, France

Direct numerical simulation of single- and two-phase flow in real pore systems is addressed in our paper. The X–ray computed micro-tomography technique ...

Design of Electrochemical Machining Processes by Multiphysics Simulation

M. Hackert-Oschätzchen, S. F. Jahn, and A. Schubert
Chemnitz University of Technology
Chemnitz, Germany

The principle of electrochemical machining (ECM) is the anodic dissolution of a metallic workpiece at the interface to a liquid ionic conductor under ...

Modeling of a Switchable Permanent Magnet Magnetic Flux Actuator

I. Dirba, and J. Kleperis
Institute of Solid State Physics of University of Latvia
Riga, Latvia

A simple magnetic circuit consisting of ferromagnetic core material, air gap, permanent magnets and current coils can be used to form magnetic ...