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Ici vous trouverez les présentations issues des Conférences COMSOL à travers le monde. Réalisées par des utilisateurs de COMSOL Multiphysics, ces présentations explorent tous les domaines actuels d'innovation. Les applications couvrent pratiquement tous les secteurs industriels et impliquent des phénomènes électriques, mécaniques, fluidiques et chimiques. Utilisez la recherche rapide pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt.

Consultez les proceedings de la Conference COMSOL 2024

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Simulation of Thermal Breakdown in a Multi-Layered Stack of Dielectric Elastomers

L. R. Madsen [1], O. Hassager [1], A. L. Skov [1],
[1] Danish Polymer Centre, DTU Chemical Engineering, Lyngby, Denmark

Dielectric elastomers are a promising group of smart materials, which finds application within many fields such as soft robotics, wave-energy harvesting, and loud speakers. A dielectric elastomer consists of a thin, stretchable polymer film sandwiched between two compliant electrodes. ... En savoir plus

Numerical Study of the Tuning, Pressure Sensitivity and Lorentz Force Detuning of SRF Crab Cavities

E. Cano-Pleite [1], A. Amorim [1], J. S. Swieszek [1], K. Artoos [1], O. Capatina [1],
[1] European Organization for Nuclear Research (CERN), Geneva, Switzerland

The Large Hadron Collider (LHC) is the world’s largest and most powerful particle accelerator. The LHC machine consists on a 27 km circumference tunnel that accelerates and collides proton beams and heavy ions. The High Luminosity LHC (HL-LHC) is a project aiming to upgrade the LHC ... En savoir plus

RF Emission Spectra in Laser-Plasma Acceleration of Protons

M. Seimetz [1],
[1] Instituto de Instrumentación para Imagen Molecular (I3M), CSIC-Universitat Politècnica de València, Spain

The acceleration of protons and ions by highly intense, ultra-short laser pulses is a very active field of experimental and theoretical research. From laser-plasma interactions the emission of a strong electromagnetic pulse (EMP) has often been reported as a side effect. It potentially ... En savoir plus

Microwave Assisted Vacuum Drying Processing: Magnetron vs Solid State. Case Study: Apple Drying

C. Bianchi [1], R. Schmid [1], D. Frick [1],
[1] Gigatherm Mikrowellen AG, Switzerland

Lyophilization is a food preservation process that allows to inhibit the growth of bacteria and other contaminants by removing water content in the processed food. Conventional vacuum dryers provide heat by thermal conduction to assist the phase change transformation, but if the product ... En savoir plus

COMSOL® Simulation for Scanning Microwave Microscopic Experiments

T. Le Quang [1], D. Vasyukov [1], A. Buchter [1], J. Hoffmann [1], M. Zeier [1],
[1] Eidgenössisches Institut für Metrologie (METAS), Switzerland

In the EMPIR project ADVENT the Scanning Microwave Microscopy (SMM) is investigated. The SMM is a still rather novel member of the family of scanning probe microscope. It has attracted a lot of attention recently, because this instrument can be used to characterize various electrical ... En savoir plus

Use of COMSOL® AC/DC Module to Model a EM Sensor Deployed to Monitor Steel Transformation

J. Shen [1], W. Jacobs [1], L. Zhou [1], P. Hunt [2], C. Davis [1],
[1] Advanced Steel Research Centre, WMG, University of Warwick, Coventry, UK
[2] Primetals Technology Limited, Christchurch, UK

Real-time microstructure monitoring is important during the cooling process for hot-rolled strip steel production, as the microstructure formed determines the mechanical properties required by customers. The materials magnetic and electric properties, relative permeability and ... En savoir plus

Elucidating the Mechanisms of Charge and Temperature Modulated Ionic Transport in Nanochannels

G. Zhang [1], Y. Zhao [1],
[1] Department of Biomedical Engineering, University of Kentucky, Lexington, KY, USA

The transport of fluid through nanochannels is of importance in a variety of technological applications, including biological sensing, energy storage and conversion, chemical separation and many others. Synthetic nanofluidic architectures that mimic the gating functions of biological ion ... En savoir plus

Atmospheric Microwave Plasma

T. S. Marquardt [1], D. F. Shewamene [1], J. J. Swanson [1],
[1] Integrated Engineering, Minnesota State University, Mankato, MN, USA

Plasma gasification of biomass is emerging as an efficient way to reduce the carbon foot print of waste management while generating renewable energy. In general, gasification is a process where electromagnetic wave energy is used to heat biomass sufficiently to convert the bio-mass to ... En savoir plus

Steady-State and Transient Electrothermal Simulation of Microheater for Gas Sensing

A. N. Radwan [1], M. Mehregany [1],
[1] Case Western Reserve University, Cleveland, OH, USA

Microheaters used for gas sensing applications have been studied analytically and experimentally. Previously reported microheaters at COMSOL® conferences have shed light on microheaters’ thermal properties, optimized geometries and power consumption—all based on steady-state analysis. In ... En savoir plus

Relativistic Quantum Mechanical Wave Functions for Fermion Particles in Electric or Magnetic Fields

A. J. Kalinowski [1],
[1] Consultant / East Lyme, CT, USA

INTRODUCTION: The Dirac equation is employed in particle physics and historically gave the first combined unification of quantum mechanics and relativity theory by introducing a four component wave function Ψi. This wave function described the behavior of fermion type particles (e.g. ... En savoir plus

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