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Papers & Presentations

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Showing results 1 - 20 of 150

Conference 2008 - Hannover

	3D Dynamic Simulation of a Metal Hydride-Based Hydrogen Storage Tank In this paper, a 3D dynamic simulation for a portion of a metal hydride-based (LaNi5) hydrogen storage tank is presented. The model is based on heat and mass balances and considers coupled heat and mass transfer resistance through a... COMSOL Conference 2008, Hannover A. Freni, and F. Cipiti CNR- Institute for Advanced Energy Technologies “Nicola Giordano”, Messina, Italy
	A Dynamic Electrowetting Simulation using the Level-Set Method Electrowetting occurs with the electrical control of the surface wetting properties through the application of an electric potential. A simulation of electrowetting driven droplet dynamics is performed using the COMSOL Multiphysics... COMSOL Conference 2008, Hannover B. Cahill¹ , A. Giannitsis¹ , G. Gastrock¹ , M. Min^1,2 , and D. Beckmann¹ ¹ Institut für Bioprozess- und Analysenmesstechnik e.V., Heiligenstadt, Germany ² Department of Electronics, Tallinn University of Technology, Tallinn, Estonia
	A Heat Transfer Model for Ugitech’s Continuous Casting Machine Dr. Christian Deville-Cavellin is a Research Engineer at Ugitech's Research Center, since 1995. Ugitech, member of the Schmoltz & Bickenbach group, is a stainless steel, long products producer. C. Deville-Cavellin is responsible for... COMSOL Conference 2008, Hannover C. Deville-Cavellin Dr. Liquid Metal Metallurgy and Solidification department Ugitech’s Research Center, Ugine, France
	A Mean Field Approach to Many-particles Effects in Dielectrophoresis One of the major applications for dielectrophoresis is the selective trapping and fractionation in lab-on-a-chip devices. Nevertheless, many-particle effects due to high concentrations of biological material around electrodes can cause a... COMSOL Conference 2008, Hannover O. Nicotra, and A. La Magna CNR-IMM Sezione di Catania, Catania, Italy
	A Multiphysics Approach to Fundamental Conjugate Drying by Forced Convection Heat and mass transfer involved in drying is studied by using COMSOL 3.4. The effect of air temperature on the performance of the drying process applied to fresh food slices is scrutinized. COMSOL’s flexible formulation is exploited by... COMSOL Conference 2008, Hannover M. de Bonis, and G. Ruocco DITEC, Universitµa degli studi della Basilicata, Campus Macchia Romana, Potenza, Italy
	A Numerical Investigation on Active Chilled Beams for Indoor Air Conditioning In this study fluid-dynamical and thermal performance of active chilled beams is investigated by 2D and 3D modelling in COMSOL Multiphysics. Three different typologies of those air conditioning systems are considered. Results, obtained... COMSOL Conference 2008, Hannover G. Cammarata, and G. Petrone Department of Industrial and Mechanical Engineering, University of Catania, Catania, Italy
	A Numerical Model for Transient Heat Conduction in Semi-Infinite Solids Irradiated by a Moving Heat Source A numerical analysis on transient three-dimensional temperature distribution in a semi-infinite solid, irradiated by a moving Gaussian laser beam, is carried out numerically by means of the code COMSOL Multiphysics. The investigated... COMSOL Conference 2008, Hannover N. Bianco¹ , O. Manca² , S. Nardini² , and S. Tamburrino² ¹ Dipartimento di Energetica, Termofluidodinamica applicata e Condizionamenti ambientali, Università degli Studi Federico II, Napoli, Italy ² Dipartimento di Ingegneria Aerospaziale e Meccanica, Seconda Università degli Studi di Napoli, Aversa (CE), Italy
	Accuracy Tests for COMSOL - and Delaunay Meshes In the paper we examine the accuracy of various meshes for different model regions and simple differential equations in 2D and in 3D. We study the potential equation for a single irregular domain (2D testcase 1), for a simple domain with... COMSOL Conference 2008, Hannover E. Holzbecher, and Hang Si Weierstrass Institute for Applied Analysis and Stochastics (WIAS), Berlin, Germany
	Adaptive Control of Simulated Moving Bed Plants Using Comsol’s Simulink Interface Preparative chromatography is an important separation method where the simulated moving bed (SMB) technology is an increasingly used separation process for binary mixtures. Several chromatographic columns are arranged in a ring where the... COMSOL Conference 2008, Hannover M. Fütterer Institut für Automatisierungstechnik, Otto-von-Guericke Universität, Magdeburg, Germany
	Advanced Modeling of Friction Stir Welding – Improved Material Model for Aluminum Alloys and Modeling of Different Materials with Different Properties by Using the Level Set Method Friction Stir Welding (FSW) has gained much importance throughout the last years. Beside comprehensive experimental work that has been carried out, the simulation of the welding zone is of major interest. Due to the high strains... COMSOL Conference 2008, Hannover S. Dörfler Wilhelm Gronbach GmbH, Wasserburg a. Inn, Germany
	Analysis of Ancient Natural Ventilation Systems inside the Pitti Palace in Florence This paper presents and discusses the first phase results of a wide ranging project concerning the study and prediction of the efficiency and energy performances of natural ventilation systems existing inside historic buildings. The air... COMSOL Conference 2008, Hannover C. Balocco Dipartimento di Energetica “Sergio Stecco”, Università degli Studi di Firenze, Firenze, Italy
	Analysis of Coupled Dynamics of Molten Salt Reactors This paper presents a preliminary analysis of the coupled thermo-hydrodynamics and neutronics of circulating nuclear fuel systems in a nuclear reactor that adopts a molten salt mixture. This flows up through channels in a graphite... COMSOL Conference 2008, Hannover V. Di Marcello, A. Cammi, and L. Luzzi Department of Energy, Nuclear Engineering Division (CeSNEF), Politecnico di Milano, Milano, Italy
	Analysis of the Mechanical Behavior of Violins Based on a Multi-physics Approach The paper attempts to give a contribution to the dynamic analysis of musical instruments. A multidisciplinary approach oriented to the study of mechanical, structural, vibratory and acoustical phenomena related to stringed instruments is... COMSOL Conference 2008, Hannover E. Ravina Dept. of Mechanics and Machine Design, Research Centre on Choral and Instrumental Music (MUSICOS), University of Genoa, Italy
	Analyzing a Malfunctioning Clarifier with COMSOL’s Mixture Model Clarifiers are used to separate sludge and water in waste water treatment plants. In this paper we analyze a malfunctioning clarifier using the mixture model. We are able to receive model results that are reasonably close to measurements... COMSOL Conference 2008, Hannover A. de Niet, A. van Nieuwenhuijzen, and A. Geilvoet Witteveen+Bos, Deventer, The Netherlands
	Analyzing Muffler Performance Using the Transfer Matrix Method Exhaust noise must meet legislation targets, customer expectations and cost reduction which call for design optimization of the exhaust systems in the design phase. One solution is to use 3 dimensional linear pressure acoustics and... COMSOL Conference 2008, Hannover K. Andersen Dinex Emission Technology A/S, Middelfart, Denmark
	Atmospheric Icing of Transmission Line Conductor Bundles Hazardous for the transmission lines is not only the static ice load, but also the aerodynamic instability of iced cables. It can lead to large amplitude oscillations at low frequencies. Also, twisting due to asymmetrical iced... COMSOL Conference 2008, Hannover T. Wagner¹ , and U. Peil² ¹ International Graduate School of Risk Management of Natural and Civilization Hazards on Buildings and Infrastructure, Braunschweig, Germany ² Institute of Steel Structures, Technical University Braunschweig, Braunschweig, Germany
	Benchmarking as Key Element of Confidence Building in Safety Assessments for Radioactive Waste Disposal Verification of the codes applied for assessment of the long-term repository safety is typically one of the quality assurance requirements demanded by regulatory bodies, in the disposal of radioactive waste. In this paper, an... COMSOL Conference 2008, Hannover E. Weetjens SCK-CEN (the Belgian Nuclear Research Centre), Mol, Belgium
	Building a Robust Numerical Model for Mass Transport Through Complex Porous Media Mass transport modelling through porous media is typically characterized by complex physics and geometry. In the particular case of radionuclide transport, modelling for radioactive waste repositories, an additional level of complexity,... COMSOL Conference 2008, Hannover J. Perko¹ , D. Mallants¹ , E. Vermariën² , and W. Cool² ¹ Belgian Nuclear Research Centre (SCK-CEN), Mol, Belgium ² Belgian Agency for Radioactive Waste and Enriched Fissile Material (ONDRAF/NIRAS), Mol, Belgium
	Calculating Iron Losses Taking into Account Effects of Manufacturing Processes Finite element modelling of electrical machines usually assumes uniform magnetic properties and loss behaviour throughout the steel laminations. It is well known that manufacturing processes, like the assembly of the machine, deteriorate... COMSOL Conference 2008, Hannover P. Goes, E. Hoferlin, and M. De Wulf OCAS N.V. – ArcelorMittal Research Gent, Belgium
	Calculation of Cable Parameters for Different Cable Shapes Efforts involving simulation of transmission line networks necessitate the accurate values of the parameters of the lines. In this paper, as an attempt in estimating such parameters, the parameters of high voltage asymmetric power... COMSOL Conference 2008, Hannover H. Lorenzen¹ , J. Timmerberg¹ , and S. Mylvaganam² ¹ Department of Electrical Engineering, UAS OOW, Wilhelmshaven, Germany ² Department Technology/Engineering, Telemark University College, Porsgrunn, Norway

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Conference 2008 - Hannover