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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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2014 - Cambridgex

Prototyping of a Claw Pole Machine Using 3D Modeling

F. Mannerhagen[1]
[1]Chalmers, Göteborg, Sweden

This article is the result of a hobby project. The article is going thru the iterative developing process of a claw pole machine. In this developing process, simulating the magnetic flux density and back EMF waveform have been used to validate geometrical changes to the machine. Read More

Heat Transfer in Adsorption Heat Exchangers between Pellets and Fins

E. Laurenz[1], G. Füldner[1], L. Schnabel[1]
[1]Fraunhofer Institute for Solar Energy Systems (ISE), Freiburg, Germany

Adsorption heat exchangers (AdHXs) are important components in adsorption heat pumps and chillers, a primary energy efficient source of heating and cooling. Due to availability and established inexpensive manufacturing fin-and-tube type heat exchangers with beds of adsorption pellets in ... Read More

Electromagnetic Actuators Modeling, Simulation and Optimization: Review of Methods and Their Application for Switching Devices

O. Craciun[1], V. Biagini[1], G. Stengel[1], C. Reuber[2], C. Chao[3], B. Funieru[3] , A. Binder[3]
[1]ABB Corporate Research, Ladenburg, Germany
[2]ABB AG Calor Emag Mittelspannungsprodukte
[3]TU Darmstadt, Department of Electrical Energy Conversion, Darmstadt, Germany

Electromagnetic actuators are representing one important component of ABB's medium voltage reclosers [1, 2]. Their performance is strongly influenced by the considered material properties as well as by the electronic control units that will power the actuator. Depending on the studied ... Read More

Computational Simulation of Gold Core/Shell Nanostructures for Near-Field Transducers in Heat-Assisted Magnetic Recording

J. Bennington[1]
[1]Queen's University Belfast, Belfast, Northern Ireland, UK

A recurring problem, in heat assisted magnetic recording is the build-up of thermal energy in the near-field transducer leading to NFT deformation and the cessation of operation. A mechanism to dissipate this excess heat in the NFT without greatly effecting its’ plasmonic response is ... Read More

Computational Modelling of Fluid Dynamics in Electropolishing of Radiofrequency Accelerating Cavities

H. Rana[1], L. Ferreira[2]
[1]Loughborough University, Leicestershire, UK
[2]European Organisation for Nuclear Research (CERN), Genéve, Switzerland

Electropolishing is an electrochemical process that radiofrequency accelerating cavities undergo in order to improve their inner metal surface finishing. This is performed prior to their installation into particle accelerators, in order to enhance their accelerating properties. Using ... Read More

Assessment of the SNR, G-Factor and Relative B1- Fields of Medical Radiofrequency Arrays

G. Cook[1], F. Robb[2], M. Graves[1], D. Lomas[1]
[1]Department of Radiology, University of Cambridge, Addenbrooke's Hospital, Cambridge, UK
[2]GE Healthcare Coils, Aurora, OH, USA

MRI relies upon a static magnetic field which creates a net magnetic moment from proton spins and radio-frequency fields are generated to excite this magnetic moment into a perpendicular plane, where it can be detected through the use of an array of conductive loops. The optimal size ... Read More

Analysis of an Air Transparent Soundproof Window System & Comparisons to Physical Test Data

M. Yeoman[1], V. Sivasailam[1], A. Tomar[2]
[1]Continuum Blue Ltd., Ystrad Mynach, UK
[2]Jaguar Land Rover Ltd, Coventry, UK

The design of windows and or other perforated structures which allow the free flow of air into & out of a building or system, while being fully soundproofed or attenuate certain frequencies is of great interest to architects and design engineers, where sound as a longitudinal wave, ... Read More

Impedance Matching of Tag Antenna to Maximise RFID Read Ranges & Optimising a Tag Antenna Design for a Particular Application

M. Yeoman[1], M. O'Neill[2]
[1]Continuum Blue Ltd., Ystrad Mynach, UK
[2]Tumbling Dice Ltd., Newcastle, UK

RFID tags are ever increasing in their daily use, from the monitoring of components, the tracking of produce during processing & production, as well as being used in much of the touch-less technologies seen today. With this technology, there has been the ever increasing need to ... Read More

Dynamic Contact & Fatigue Analysis of a CV Boot (Gaiter) Design

M. Yeoman[1], R. Damodharan[1]
[1]Continuum Blue Ltd., Ystrad Mynach, UK

CV boots or gaiters are rubber like material used to cover & protect moveable or articulating components such as CV joints of a vehicle. These are primarily used to protect the articulating joint, by preventing the components from being exposed to the surrounding environment, the ... Read More

Electro-Chemical Etching & Deposition of a Super Alloy Using Tertiary Current Distribution Method

M. Yeoman[1], R. Damodharan[1]
[1]Continuum Blue Ltd., Ystrad Mynach, UK

The application of super-alloys has grown up in numbers in the industries like aerospace, automotive, nuclear, thermal power plant & medical implants. The initial cost of prototyping and the selection of suitable manufacturing methods & test fixtures made by electrochemical ... Read More

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