A. Daneryd, D. Ericsson
ABB Corporate Research, Västerås, Sweden
COMSOL AB, Stockholm, Sweden
For certain classes of scientific and technical computations the cloud may offer easily accessible, scalable, and affordable gigantic computing power. A power that for these classes may lead to a step change in model and analysis complexity compared to what is feasible with dedicated clusters and similar networked solutions. Acoustics with or without interaction with coupled physics fields ...
Thermal Natural Convection Simulations with COMSOL Multiphysics® in Comparison with Measurements - new
H. van Halewijn
Fontys University of Applied Physics, Eindhoven, The Netherlands
In a laboratory setup a horizontal rod is heated on one side. By natural convection a stable temperature pattern is developed. Using the Nusselt formulation of the natural convection of cylindrical rods, the temperature distribution can be calculated. Only a good match of the simulations and the measurements can be reached when taking into account all the non-linear physics in the system. In ...
L. Wright, G. Memoli, P. Jones, E. Stride
National Physical Laboratory, Teddington, UK
University College London, London, UK
University of Oxford, Oxford, UK
Understanding the interactions between microbubbles and surfaces is key to the successful deployment of microbubbles in a range of applications. Two important examples are their use as a drug delivery mechanism, and their potential use of acoustically-driven bubbles as microscale sensors. Drug delivery with bubbles involves sonication at high frequency close to a boundary, and sensing with ...
J. P. Mmbaga, F. Munoz, S. Dhir, R. Gupta, R. E. Hayes, M. Toledo
University of Alberta, Edmonton, AB, Canada
Departamento de Ingenieria Mecanica, Universidad Tecnica Federico Santa Maria, Valparaiso, Chile
Pyrolysis is a key step in the conversion of carbonaceous materials into useful products. In this study, we investigate the pyrolysis of asphaltene and oil shale, both experimentally and numerically. COMSOL Multiphysics® software is used to model the combined effects of fluid flow in porous media, mass transfer of species, heat transfer, and reaction kinetics. Gas evolution and the porosity ...
L. Van Lokeren , R. Verhelle , C. Block , P. Van Puyvelde , G. Van Assche 
 Vrije Universiteit Brussel, Brussels, Belgium
 Catholic University of Leuven, Leuven, Belgium
Transformations in polymers, such as polymerisation, melting/crystallization, and phase separation/remixing, are associated with changes in both rheological and thermal properties. To permit simultaneous calorimetric and rheometric measurements, the RheoDSC was developed. The RheoDSC combines two commercial instruments, a TA Instruments Q2000 DSC and a TA Instruments AR-G2 dynamic rheometer. A ...
S. Swargam , S. Devasahayam , S. Wankhar ,
 Indian Institute of Technology Madras, Chennai, Tamil Nadu, India
 Christian Medical College, Vellore, Tamil Nadu, India
Using a Realistic Human Head model to simulate the effect of electrical stimulation can be useful in understanding field distribution in the brain and therefore, the actual point of stimulation before doing it on human subject. With the help of this model, parameters like the stimulus strength as well as electrode placement and its effect can be tested much more easily while targeting a ...
M. Warzecha , J. Jowsa , A. M. Hutny , P. Warzecha , T. Merder 
 Czestochowa University of Technology, Czestochowa, Poland
 Silesian University of Technology, Katowice, Poland
Calculations were carried out for the water model of the investigated tundish, represented on a scale 1:3. Numerical calculations enable to estimate the fluid flow velocities, pahtlines and other parameters. Calculations were done for two different grids. Based on the results, the flow structure in the investigated tundish was obtained.
Numerical Simulation of Kinetic Interface Sensitive Tracer in Experiment with COMSOL Multiphysics® Software
F. Sun , A. Tatomir , F. Maier , M. Sauter 
 University of Goettingen, Goettingen, Lower Saxony, Germany
 Comsol Multiphysics GmbH, Goettingen, Lower Saxony, Germany
The kinetic interface-sensitive tracers (KIS tracers) are used to give a partial picture of the spreading, mixing and plume migration of supercritical carbon dioxide (scCO2) in the deep saline aquifer by estimating the interfacial areas between scCO2 and brine during the injection of scCO2. To get a better understanding of the KIS tracer reaction and transport processes in the two-phase flow ...
J. Drillet ,
 DECHEMA-Forschungsinstitut, Frankfurt, Germany
This work aims at the modelling of a 5 cm^2 Direct Methanol Fuel Cell (DMFC) with mixed serial/parallel serpentine flow fields in terms of current/voltage behavior. One of the main challenge to overcome consists on lowering the so-called methanol cross over from the anode through the polymer membrane to the cathode that is responsible for mixed-potential formation at the cathode where both ...
K. Chitale , B. Lipkens [1, 2], W. Presz, Jr. ,
 FloDesign Sonics Inc., Wilbraham, MA, USA
 Western New England University, Springfield, MA, USA
Macroscale ultrasonic separation is a new filtration technology, with various applications such as cell clarification, cell therapy, blood-lipid separation, oil-water separation etc. These systems use piezoelectric transducers to create standing waves in fluid-particle mixture. Suspended particles get clustered by action of acoustic radiation forces and are separated out by enhanced gravity ...