La Bibliothèque de Modèles présente des modèles construits avec COMSOL Multiphysics pour la simulation d'une très grande variété d'applications, dans les domaines électrique, mécanique, fluidique et chimique. Vous pouvez télécharger ces modèles résolus avec leur documentation détaillée, notamment les instructions de construction pas à pas, et vous en servir comme point de départ de votre travail de simulation. Utilisez l'outil de recherche rapide pour trouver les modèles correspondant à votre domaine d'intérêt, et connectez vous avec votre compte COMSOL Access, associé à une licence COMSOL, afin de télécharger les fichiers modèles.

Microwave Microplasma - new

Plasmas sustained in micro-scale discharge gaps are able to operate at high pressure (1 atm) with high electron number density (10{:sup}20{:/sup} m{:sup}-3{:/sup}) and power density (10{:sup}9{:/sup} W.m{:sup}-3{:/sup}) while maintaining a relatively cool heavy-particle temperature. This model simulates an atmospheric pressure Argon plasma sustained by a time-varying electric excitation in the ...

Atmospheric Pressure Corona Discharge in Air - new

This tutorial model presents a study of a coaxial DC corona discharge in dry air at atmospheric pressure. The dimensions and operation conditions are similar to ones found in electrostatic precipitators with wire-to-plate configurations. The inner wire electrode has a 100-mm radius and the gap between electrodes is 10 cm. The model solves the electron and ion continuity and momentum equations ...

Boltzmann DC Glow Discharge - new

This application models a DC glow discharge. The electron energy distribution function (EEDF) and electron transport properties are computed with the *Boltzmann Equation, Two-Term Approximation* interface. Since input parameters for the *Boltzmann Equation, Two-Term Approximation* interface, like the ionization degree of the plasma, are not known *a priori*, an iterative process is performed. A ...

Chlorine Discharge Global Model - new

Plasma discharges containing chlorine are commonly used to etch semiconductors and metals in microelectronics fabrication. This tutorial model studies chlorine plasma discharges using a global (volume-averaged) diffusion model. These can run simulations in a fraction of the time it would take for space-dependent models. This makes them a good choice to study large reaction sets and extended ...

Neagative Streamer in Nitrogen - new

Streamers are transient filamentary electric discharges that can develop in a nonconducting background in the presence of an intense electric field. These discharges can attain high electron number density and consequently, a high concentration of chemical active species that are relevant for numerous applications. Industrial applications include ozone production, pollution control, and surface ...

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