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
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. Min1,2 , and D. Beckmann1 1 Institut für Bioprozess- und Analysenmesstechnik e.V., Heiligenstadt, Germany 2 Department of Electronics, Tallinn University of Technology, Tallinn, Estonia
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
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
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
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 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
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
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
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
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
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
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
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
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
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
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
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
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
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
