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See How Multiphysics Simulation Is Used in Research and Development

Engineers, researchers, and scientists across industries use multiphysics simulation to research and develop innovative product designs and processes. Find inspiration in technical papers and presentations they have presented at the COMSOL Conference. Browse the selection below or use the Quick Search tool to find a specific presentation or filter by application area.

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COMSOL Multiphysics® Model of a Solar Dryer

E. C. Santos[1], J. H. Sales[1], C. Lima[2]
[1]Universidade Estadual de Santa Cruz, Ilhéus, BA, Brazil
[2]Instituto Federal da Bahia, Irecê, BA, Brazil

This paper compares the efficiency of a vertical solar dryer vis-à-vis the traditional drying method by the means of a computer simulation. The said program considers geometric, thermal and mechanical effects so as to simulate heat transfer via conduction, convection and radiation. We ... Read More

Multiphysics Study into Compression Rings, Coated Against Uncoated

M. Dickinson[1,2], N. Renevier [1], J. Calderbank[2,3]
[1]The Jost Institute, School of Computing, Engineering & Physical Sciences, University of Central Lancashire, Preston, UK
[2]Racing to Research Team, School of Computing, Engineering & Physical Sciences, University of Central Lancashire, Preston, UK
[3]School of Computing, Engineering & Physical Sciences, University of Central Lancashire, Preston, UK

Internal combustion engine components have been a main research interest over many decades. The structural mechanics and dynamics of the piston rings has been a large focus of work in order to gain a greater understanding of the how the piston ring dynamics affect the piston ring. ... Read More

Microwave Heating Simulation of Frozen Pie

F. Chen[1], T. Gulati[1], H. Zhu[1], A. K. Datta[1]
[1]Cornell University, Ithaca, NY, USA

This research studies the thermal effect of frozen pie heating in the microwave oven. Considering as composite material, the properties of pie derived based on its composition. Here the package, susceptor’s influence to the temperature distribution is also studied. Read More

Embedded Microfluidic/Thermoelectric Generation System for Self-Cooling of Electronic Devices

R. Kiflemariam[1], H. Fekramandi[1], C. Lin[1]
[1]Department of Mechanical & Materials Engineering, Florida International University, Miami, FL, USA

A 3D electro-conjugate heat transfer model was made to study an embedded microfluidic/TEG system (μF/TEG) system. An innovative embedded microfluidic/TEG system (μF/TEG) system is proposed which enables a device to be able to provide power to its cooling system eliminating external power ... Read More

Study & Modeling of 'Acoustic Matching Layers' for Ultrasound Imaging Probes Through Pulse-Echo FEM Simulation

L. Spicci[1]
[1]Esaote SpA, Florence, Italy

Ultrasound Imaging probes are specific devices that require a very detailed design of acoustic impedance match for the stack of layers that form the probe head (1,3). These are typically made of silicone rubber, special epoxy resins, polyurethanes and, of course, piezoelectric ... Read More

Modeling the Effect of Headspace Steam on Microwave Heating of Mashed Potato

J. Chen[1], K. Pitchai[1], D. Jones[1], J. Subbiah[1]
[1]University of Nebraska-Lincoln, Lincoln, NE, USA

Introduction: Domestic microwave ovens are widely used to heat food products, because of rapid and convenient heating. Nonuniform heating is the biggest issue in microwave heating process, which also causes food quality and safety issues. Microwave heating models are promising tools to ... Read More

Modeling of Packed Bed Reactors: Hydrogen Production by the Steam Reforming of Methane and Glycerol

A. Dixon[1], B. MacDonald[1], A. Olm[1]
[1]Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, MA, USA

The conventional route to hydrogen production is by steam reforming of methane (MSR) in a multitubular packed bed. With the increasing use of biodiesel as a renewable fuel, interest has grown in steam reforming of the excess glycerol produced as a side product (GSR). We use COMSOL ... Read More

Modeling of Directional Dependence in Nanowire Flow Sensor

A. Piyadasa[1,3], P. Gao[1,2,3]
[1]Department of Physics, University of Connecticut, Storrs, CT, USA
[2]Department of Materials Science & Engineering, University of Connecticut, Storrs, CT, USA
[3]Institute of Materials Sciences, University of Connecticut, Storrs, CT, USA

3D finite element analysis model has been constructed for testing the directional dependence in a novel form of nanowire array gas flow sensor. Single nanowire (p-type single crystal Silicon) model is developed using fluid structure interaction and piezoresistivity components in the MEMS ... Read More

Modeling Heat and Moisture Transport During Hydration of Cement-Based Materials in Semi-Adiabatic Conditions

E. Hernandez-Bautista[1,2], D. Bentz[1], S. Sandoval-Torres[2], P. Cano-Barrita[2]
[1]National Institute of Standards and Technology, Gaithersburg, MD, USA
[2]Instituto Politécnico Nacional/CIIDIR Unidad Oaxaca, Oaxaca, México

The process of accelerated curing of pre-cast concrete has a significant importance in the thermal behavior of concrete. A multiphysics model that describes hydration and heat and mass transport in cement based materials was developed. The hydration reactions are described by a maturity ... Read More

Strong Localization and Rapid Time Scales of Superheating in Solid-State Nanopores

E. Levine[1], G. Nagashima[1], D. Hoogerheide[1], M. Burns[2], J. Golovchenko[1]
[1]Harvard University, Cambridge, MA, USA
[2]Rowland Institute at Harvard University, Cambridge, MA, USA

Extreme localized superheating and homogeneous vapor bubble nucleation have recently been demonstrated in a single nanopore in thin, solid state membranes [1]. Aqueous electrolytic solution present within the pore is superheated to well above its boiling point by Joule heating from ionic ... Read More

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