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The Use of Multiphysics Modeling in the Steel Industry

Filip Van den Abeele
Simulation Expert, OCAS, Belgium

OCAS is a joint venture between ArcelorMittal and the Flemish Region. She uses COMSOL Multiphysics for the following: Enamel solidification Magnetic Pulse Forming Electromagnetic modelling of electric machines Vortex Induced Vibrations Model Identification for Orthotropic Materials and much more ---------------------------------- Keynote speaker's biography:Filip Van den Abeele has a ...

Computational Modeling of Magnetorheological Elastomers Using Soft and Hard Magnetic Particles

J. Biggs[1], P. VonLockette[1], and S. Lofland[1]
[1]Rowan University, Glassboro, New Jersey

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, the poles of the particles are forced to align and form chains of particles within the matrix. These chains cause the MRE to change its stiffness properties when ...

Computational Analysis of the Mechanical and Thermal Stresses in a Thin Film PProDOT-Based Redox Capacitor

J. Sotero-Esteva[1], M. Rosario-Canales[2], P. Gopu[3], and J. Santiago-Avilés[3]

[1]Department of Mathematics, University of Puerto Rico at Humacao, Humacao, PR
[2]Department of Chemistry, University of Pennsylvania, Philadelphia, PA, USA
[3]Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA, USA

Among the several types of capacitors, the double-layer and redox types have gathered increasing attention to address some of the heavy power demands of modern technology. In redox capacitors, charge is stored chemically via oxidation/reduction processes in the active materials like electroactive polymers (EAPs) or metal oxides. This work investigates the stresses and heat flux of the electrode ...

Optimisation Of Filament Geometry For Gas Sensor Application

S. Gidon, M. Brun, and S. Nicoletti
CEA Minatec, Optronic Department, Grenoble, France

Monitoring of indoor CO2 concentration is of particular interest to detect room occupancy in order to optimise power consumptions of building. One technological approach is to use optical detection using specific absorption lines of CO2 molecules in the infrared domain close to 4.2 μm. Key features for a wider use in public and private buildings are power consumption and price. Such optical ...

Coupling of Wired PCB With Microwave Radiation – 3D Simulation and Experimental Valuation

T. D. Bui[1], F. Bremerkamp[2], and M. Nowottnick[2]
[1]Department of Automobile Engineering, Thanh Do University, Ha Noi, Vietnam
[2]Institute of Electronic Appliances and Circuits, Department “Reliability and Safety of Electronic Systems”, University of Rostock, Rostock, Germany

Modern electronic assemblies and printed circuit boards (PCB) with their sensitive structures and elements have to be protected against environmental influences by conformal coating or casting compounds. In this case the main challenge is the simultaneous curing of the polymers and the safekeeping of the electronic elements and structures on the PCB. This implies the investigation of the heating ...

Mass Transfer From a Rotating Cylinder in a Confined Gas Flow

N. Jand[1], A. Scarpetta[2], and M. Stefano[2]
[1]Chemical Engineering Department, University of L’Aquila, L’Aquila, Italy
[2]Faculty of Engineering, University of L'Aquila, L’Aquila, Italy

The modeling of sublimation form a rotating cylinder of solid naphthalene in a confined vessel has been performed by coupling the model of incompressible Newtonian fluid flow with the model of the dilute solutions. Preliminary a 2D axisymmetric system with swirl flow function for laminar and turbulent regimes has been considered. In the turbulent regime the RANS model with default parameter ...

Thermal Simulation of an Evaporation Reactor

H. Rouch, and S. Desbois
Villard de Lans, France

In this article we present Simulations results of an evaporation reactor for optical layer applications. The thermal simulation concern the source of the evaporated material. An experimental problem is ralated to the shape of the material powder surface: due to the evaporation rate, the surface don\'t keep his flat initial shape and this has a strong effect on the local evaporation rate. In ...

Analyte Capture from Liquid Samples: Size Matters

M. Weber[1], M. Reed[1]
[1]Yale University, New Haven, CT, USA

Arrays of vertical pillars, Micro Purification Chips, have been widely used for analyte capture from liquid samples [Henderson et. al, 2006], [Toner et. al, 2007], [Stern et. al, 2010]. However exact understanding of the capture efficiency mechanisms has not been previously explained. Here we present a model in COMSOL Multiphysics® which calculates analyte capture efficiency based on initial ...

Behavior Models of Virtual Impactors

R. Haft[1]
[1]Lawrence Berkeley National Laboratory, Hayward, CA, USA

A pocket-size portable particle size detector for diesel and cigarette smoke aerosols is being designed using particle size and composition methods. Aerodynamics, fluid properties, material composition and aerosol composition are taken into account. Testing methods for the design include using an impactor and virtual impactor with two quartz crystal resonators to determine particle composition ...

A Computational Study of the Reynolds Piped flow Experiment

Sanidhya Painuli[1], Jayasankar Variyar[1]
[1]Vellore Institute Of Technology, School of Mechanical and Building Sciences, Vandalur Kelambakkam Road, Chennai, India

The study of interaction of fluid with matter assumes great significance for most engineering applications. The flow can be either turbulent or laminar, and different types of interactions arise out of these flow. In the introductory undergraduate course of fluid mechanics, a typical demonstration for these interactions is the Reynolds pipe flow experiment. Instabilities of various types like ...

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