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Papers & Presentations

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Showing results 1 - 20 of 87

Electro- & Magnetostatics

	2D Extraction of Open-Circuit Impedances of Three-Phase Transformers This work is concerned with the study of the asymmetrical phenomenon observed in three-phase transformers during the standard short-circuit test. The purpose of our work is to see if the asymmetric measurements can be predicted with the... COMSOL Conference 2009, Boston R. Escarela-Perez¹ , E.A. Gutierrez-Rodriguez² , J.C. Olivares-Galvan¹ , M.S. Esparza-González, and E. Campero-Littlewood¹ ¹ Departamento de Energia, Universidad Autonoma Metropolitana - Azcapotzalco, Mexico D.F., Mexico ² Instituto Tecnologico de Aguscalientes, Aguascalientes, Mexico
	3D Electro-Thermal Study for Reliability of Automotive Power Vertical MOSFET Using COMSOL Multiphysics^® In this paper 3D electro-thermal FE Model using COMSOL Multiphysics® software of power vertical MOSFET used in the automotive industry is presented. This model is used to analyze the effects of bonding wire lift off defect and to... COMSOL Conference 2009, Milan T. Azoui¹ , S. Verde¹ ² , J.B. Sauveplane¹ , and P. Tounsi¹ ¹ LAAS-CNRS, Toulouse, France ² Department of Electronics and Telecommunications Engineering, University of Naples Federico II, Naples, Italy
	3D electromagnetic modelling of a cold crucible for induction electro-processing of materials The cold crucible is a tool which is frequently used for induction heating applications for the elaboration of materials by middle or high frequency magnetic field. This crucible is made of copper sectors assembled together to form the... COMSOL Conference 2005, Boston Ernst, R. EPM-MADYLAM laboratory, CNRS, Saint Martin d’Hères, France
	3D Semiconductor Radiation Detectors for Medical Imaging CdTe and GaAs 3D semiconductor radiation detectors for medical imaging have been simulated. This was done through coupling Monte-Carlo simulations of interacting of X- and γ-rays with matter (using PENELOPE) while computating the... COMSOL Conference 2007, Grenoble M. Ruat, E. Gros d'Aillon, J. Tabary, and L. Verger LETI-CEA Recherche technologique, MINATEC, Grenoble, France
	Accuracy Assessment of The Linear Induction Motor Performance using Adaptive FEM The majority of electrical machines are designed to produce the rotary motion, there by exploiting the blessing of circularity which man has enjoyed since the discovery of the wheel. Electromagnetic forces may also be employed to produce... COMSOL Conference 2009, Bangalore M. Manna¹ , S. Marwaha¹ , and C. Vasudeva¹ ¹ Department of Electrical & Instrumentation Engineering, Sant Longowal Institute of Engineering and Technology , Longowal (Deemed University), Punjab, India
	Accurate geometry factor estimation for the four point probe method using COMSOL Multiphysics The four-point probe is a tool for measuring the resistivity of a material by contact with its surface. The tool is widely used in the semiconductor industry and has applications both in research and manufacturing. The method though is... COMSOL Conference 2005, Boston Kalavagunta, A., Weller, R.A. Vanderbilt University, Nashville, TN
	A Model for High Temperature Inductive Heating COMSOL Multiphysics has been applied to develop a model for inductive heating. A coarse, lumped model of the interior of a high temperature reactor is coupled to finite element models for the electromagnetic field, the temperature... COMSOL Conference 2009, Milan S.A. Halvorsen¹ ¹ Teknova AS, Kristiansand, Norway
	A Modeling Study of Electrical Characteristics of Anisotropic Conductive Film Adhesives Finite element analysis provides new insights into the electrical behavior of conducting adhesives. We show that at a contact between a spherical conducting particle and a flat conducting substrate the current distribution is non-uniform:... COMSOL Conference 2008, Boston R. Divigalpitiya 3M Canada Company, London, ON, Canada
	Analysis of a Capacitive Mass Flow Sensor for a Screw Conveyor This paper presents an analysis of a measurement principle for the determination of the mass flow of material through screw conveyors. The flow sensor design is based on capacitive sensing with the characteristic that the pipe content can... COMSOL Conference 2007, Grenoble A. Fuchs, and H. Zangl Institute of Electrical Measurement and Measurement Signal Processing, Graz University of Technology, Graz, Austria
	Analysis of an Electromagnet for Diverse Safety Rod Drive Mechanism Prototype Fast Breeder Reactor (PFBR) has two independent, diverse, fast acting & fail safe shut down systems to achieve the required level of safety & reliability (1). The shut down systems comprises of nine numbers of Control... COMSOL Conference 2009, Bangalore N. Subbulu¹ , P. Sharma¹ , V. Sharma¹ , S.K. Das¹ , R. Veerasamy¹ , B. Krishnakumar¹ , P. Kalyanasundaram¹ , and G. Vaidyanathan¹ ¹ Fast Reactor Technology Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu, India
	Analysis of a Spatial Filtering Design for Capacitive Flow Measurements In this paper, a simulation of a capacitive flowmeter utilizing a spatial filtering technique is presented. The flowmeter consists basically of ring shaped electrodes placed sequentially in the flow direction on the outside of a pipe. The... COMSOL Conference 2007, Grenoble D. Hrach, A. Fuchs, and H. Zangl Institute of Electrical Measurement and Measurement Signal Processing, Graz University of Technology, Graz, Austria
	Analysis of Forces acting on Superparamagnetic beads in fluid medium in Gradient Magnetic Fields Superparamagnetic micro beads offer some attractive applications in biological and biomedical fields. Some of the important applications include manipulation and separation of cells, isolation of specific cells, active drug... COMSOL Conference 2009, Boston U. Veeramachaneni¹ , and R.L. Carroll¹ ¹ Department of Chemistry, West Virginia University, Morgantown, West Virginia, USA
	Analysis of Lorentz and Saliency Forces in Rotating Machines This paper first gives an overview of methods of force calculation. Two kinds of forces, the Saliency and Lorentz forces, play an important role in behavior of any electrical machine. It then compares results obtained by different... COMSOL Conference 2006, Bangalore A.V. Kank, and S.V. Kulkarni Indian Institute of Technology, Bombay
	Calculating Power Loss of Contactless Power Transmission Systems with Ferrite Components In this paper a methodology for calculating loss within contactless inductive power transmission systems, resulting from hysteresis and eddy current effects, is presented. The usage of the mathematical models of Stoll and Steinmetz for... COMSOL Conference 2009, Milan S. Hanf¹ and D. Kürschner¹ ¹ Institut für Automation und Kommunikation Magdeburg, Magdeburg, Germany
	Calculation of the Magnetic Field Intensity in a Rectangular Conductor Carrying Current in Electromagnetism Introductory Courses This paper describes a type of didactic material used when teaching electromagnetism. The purpose is to guide the students to verify the results of a Finite Element (FE) simulation using those obtained analytically. This procedure has... COMSOL Conference 2009, Boston J.C. Olivares-Galvan¹ , I. Hernandez² , P.S. Georgilakis³ , and L.E. Campero¹ ¹ Universidad Autónoma Metropolitana, Azcapotzalco, Mexico, D.F. ² Centro de Investigacion y de Estudios Avanzados del IPN, Unidad Guadalajara, Guadalajara, Jalisco, Mexico ³ School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece
	Calibrating electric instruments of the Huygens probe and modelling the dielectric properties of the atmosphere and of the surface of titan In 14 January, 2005, the Huygens Probe has descent through the atmosphere of Titan and has survived to touchdown, collecting data in the atmosphere and on the surface of the largest moon of Saturn. One of the instruments, the Huygens... COMSOL Conference 2005, Boston Simões, F. Centre d'Etude des Environnements Terrestre et Planétaires (CETP), Saint Maur des Fossès, France
	Capacitance Computation of Multilayered and Multiconductor Interconnects Using Finite Element Method The development and analysis of interconnects in inhomogeneous structures such as very large scale integration chips, printed circuit boards, and multichip modules are essential for next-generation electronic products. In this paper, we... COMSOL Conference 2008, Boston S. Musa, and M. Sadiku College of Engineering, Prairie View A&M University, Prairie View, TX, USA
	Computational Modeling of Magnetorheological Elastomers Using Soft and Hard Magnetic Particles Magnetorheological Elastomers (MREs) are a composite that consist of magnetic micrometer sized particles suspended within rubber matrix filler. By placing this material within an external magnetic field during the rubber curing process,... COMSOL Conference 2009, Boston J. Biggs¹ , P. VonLockette¹ , and S. Lofland¹ ¹ Rowan University, Glassboro, New Jersey
	Computations of the earth’s and other solar planets’ magnetic moments with the aid of a FEMLAB electromagnetic module Computations have been performed of Earth’s and other solar planets’ magnetic moments with the aid of a FEMLAB Electromagnetic Module. The FEMLAB library has a specific program that calculates magnetic field strength and distribution... COMSOL Conference 2005, Boston Wada, J.Y. Retired, Hughes Space & Communications Co. (Now Boeing Co.)
	Conductivity Effects in Electrical Tomography Systems Electrical tomography systems estimate the cross-sectional distribution of an object by performing boundary measurements. These non-invasive measurements are sensitive to the electrical properties of the objects under investigation.... COMSOL Conference 2006, Copenhagen K.J. Alme ¹ , and S. Mylvaganam ² ¹ Telemark Technological R&D Centre (tel-tek),Norway ² Telemark University College, Faculty of Technology, Norway

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Electro- & Magnetostatics