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Papers & Presentations

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Showing results 1 - 20 of 23

Conference 2006 - Copenhagen

	A Complete Transport Model of Components through Zeolite Membranes in a Wicke-Kallenbach Permeation Cell This study discusses the development of a complete model for multi-component mass transport through a zeolite membrane in a Wicke-Kallenbach permeation cell. A three dimensional permeation cell model was built in COMSOL Multiphysics.... COMSOL Conference 2006, Copenhagen C.J. Kamp, I. Perdana, and D. Creaser Chalmers University of Technology, Gothenburg, Sweden,
	Automotive Headlamp - Analytic Solution and Measurements of Condensation Inside a Headlamp Dew points higher than the inner surface temperature of a headlight can become cosmetic problems. In this paper, a suggested analytical approach of dew point analysis in headligths is brought forward. The analytical solution is based... COMSOL Conference 2006, Copenhagen E. Preihs General Motors Europe, Sweden
	Autothermal Reforming of a Hydrocarbon Fuel in a Monolithic Reactor In this paper, we perform simulations of the auto-thermal reforming of a hydrocarbon fuel in a monolithic reactor. The partial differential equations describing mass, heat and momentum transport were formulated and solved using COMSOL... COMSOL Conference 2006, Copenhagen D. Creaser Chalmers University of Technology, Sweden
	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
	Creating Business Opportunities using Mathematical Modeling Computational mathematical modeling has allowed scientists and engineers to perform better, faster, and more economical virtual experiments. Through mathematical modeling, an application expert can simulate performance characteristics... COMSOL Conference 2006, Copenhagen E. M. Fontes Catella Generics AB
	Current Distribution in the Electrodes of Industrial Three-phase Electric Smelting Furnaces In this paper, a model for a cross-section of the three electrodes in an industrial three-phase smelting furnace is made. The resulting current distribution within the electrodes is a function of the skin-effect within each electrode,... COMSOL Conference 2006, Copenhagen H.L. Larsen Elkem AS Research, Oslo, Norway
	Deposition of Aerosol Particles in Electronic Devices Small electronic devices are nowadays used in varying conditions, which expose them to stresses. One part of this stress is related to transport of potentially harmful chemical substances into small mechanical structures of devices, which... COMSOL Conference 2006, Copenhagen M. Olin ¹ , L. Laakso ¹ , J. Hannula ² , T. Galkin ² , and K. Väkeväinen ² ¹ University of Helsinki, Finland ² Nokia Corporation, Finland
	Design and Measurements on a Small Radial Flux Permanent Magnet Generator with Concentrated Coils This paper shows calculations of inductance, induced voltage and torque using COMSOL Multiphysics. Results from cogging torque calculations gave a considerable DC-offset, but the curve shape resembled expectations. The values are... COMSOL Conference 2006, Copenhagen Ø. Krøvel, and R. Nilssen Dept. of Electric Power Engineering, Trondheim, Norway
	Experimental and Theoretical Studies on Air Exchange in Portable Devices In this paper, we perform a leakage analysis fitted to approximate analytical diffusion and air exchange models, by the helium injection method for one mobile phone type. In order to extend the applicability of our models, we developed... COMSOL Conference 2006, Copenhagen M. Olin ¹ , L. Laakso ¹ , J. Hannula ² , T. Galkin ² , K. Väkeväinen ² , and K. Hartikainen ³ ¹ University of Helsinki, Finland ² Nokia Corporation, Finland ³ Ambertec Oy, Finland
	FEM Modeling of an Industrial Scale Electrolysis Cell In this paper, shell elements are used to reduce the complexity of a geometry in the modeling of an industrial scale copper electrolysis cell. The proposed model is described by multipysical since it takes into account interaction... COMSOL Conference 2006, Copenhagen I.S. Laitinen, and J.T. Tanttu Tampere University of Technology, Finland
	Fuel Cell Modeling Activities Although the principle of the Fuel Cell was discovered in the first half of the 19 th century, the research on Fuel Cells is still a growing area. In this presentation we start by outlining the basic principles of the Fuel Cell. We... COMSOL Conference 2006, Copenhagen M. Noponen VTT Technical Research Centre of Finland
	Modeling of Heat and Mass Transport in a Nonlinear Catalytic Bed Reactor Heat and mass transport phenomena in a tubular catalytic bed reactor are numerically investigated. A two-dimensional pseudo-heterogeneous model, accounting for transport in the solid and fluid phases, with axial and radial dispersions,... COMSOL Conference 2006, Copenhagen A. Machac ¹ , R. Henda ² , and B. Nilsson ² ¹ School of Engineering, Laurentian University, Sudbury, ON, Canada ² Lund University, Sweden
	Modelling Multilayer Systems with Time-Depended Heaviside and New Transition Functions In this paper, a five-layerered, thin-film assembly (TFA) with time-dependent internal geometry (layers thickness) was considered. This is a practical case for multilayer structures such as layered composites and coatings. The... COMSOL Conference 2006, Copenhagen Y. Bilotsky, and M. Gasik Helsinki University of Technology, Finland
	Optimization of the Temperature Distribution in a Chemical Microreactor using a Multi-Segment Integrated Thin Film Heater COMSOL Multiphysics has been used to study the effect of different heater design parameters on the temperature distribution in a chemical microreactor. The primary objective of the simulations has been to optimize the temperature... COMSOL Conference 2006, Copenhagen T.R. Henriksen, S. Jensen, U. Quaade, and O. Hansen Technical University of Denmark
	Predicting Tsunami Waves by Combining Analytical and Finite Element Methods In this paper, a simple tsunami wave problem is studied. The geometry of consideration is an infinite ocean with appreciable variations of the ocean bottom. Long-wave theory is applied and the flow equations are linearized over... COMSOL Conference 2006, Copenhagen N. Aage, R. Sigurbjörnsson, S. Laustsen, and O. Skovgaard Technical University of Denmark
	Spatial Model of Glycolysis in Neutrophils In an attempt to understand the mechanism and function of NAD(P)H waves in neutrophils, we have constructed a spatial model of glycolysis in neutrophils. The model does give rise to traveling NADH waves, but there are significant... COMSOL Conference 2006, Copenhagen T.A. Hansen, and L.F. Olsen Department of Biochemistry and Molecular Biology, University of Southern Denmark
	Stresses in Carotid Plaques Using MRI-based Fluid Structure Interaction Models Using magnetic resonance images, a model was created of an atherosclerotic plaque in a patient. A fluid-structure interaction analysis was then carried out in order to determine principal stresses in the protective fibrous... COMSOL Conference 2006, Copenhagen S.A. Kock ¹ , E. Fründ ¹ , W.Y. Kim ¹ , and J.V. Nygaard ² ¹ Aarhus University Hospital, Denmark, ² Aarhus University, Denmark
	Surface Acoustic Wave Generation in Wurtzite and Zincblende Piezoelectric Materials A surface acoustic wave (SAW) device consists of a piezoelectric material (or film) on which interdigitated transducers (IDT) are placed. Here, they are analyzed based on PZT-5H wurtzite ceramics and InSb zincblende crystals. In... COMSOL Conference 2006, Copenhagen D.B. Carstensen, T.A. Christensen, and M. Willatzen University of Southern Denmark
	The Ginzburg-Landau Equation Solved by the Finite Element Method Around 1950 V.L. Ginzburg and L.D. Landau proposed a phenomenological theory for phase transitions. One of the more successful applications of the theory is to superconductivity and in particular to superconductors placed in a... COMSOL Conference 2006, Copenhagen T.S. Larsen, M.P. Sørensen, N.F. Pedersen, and S. Madsen Technical University of Denmark
	The Motion of Submerged Objects Falling Down an Inclined Plane In this paper, we investigate a two-dimensional, small-scale model of a rigid block subjected to gravity, combined with the complete dynamical interaction with the surrounding liquid. Both the linear and rotational equations of motion... COMSOL Conference 2006, Copenhagen L. Engvik Sør Trøndelag University College, Norway

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Conference 2006 - Copenhagen