Die Application Gallery bietet COMSOL Multiphysics® Tutorial- und Demo-App-Dateien, die für die Bereiche Elektromagnetik, Strukturmechanik, Akustik, Strömung, Wärmetransport und Chemie relevant sind. Sie können diese Beispiele als Ausgangspunkt für Ihre eigene Simulationsarbeit verwenden, indem Sie das Tutorial-Modell oder die Demo-App-Datei und die dazugehörigen Anleitungen herunterladen.
Suchen Sie über die Schnellsuche nach Tutorials und Apps, die für Ihr Fachgebiet relevant sind. Beachten Sie, dass viele der hier vorgestellten Beispiele auch über die Application Libraries zugänglich sind, die in die COMSOL Multiphysics® Software integriert und über das Menü File verfügbar sind.
This example models co-electrolysis of H2O and CO2 using a solid oxide electrolyzer cell. The model includes the full coupling between the mass balances and gas flow in the H2 and O2 gas diffusion electrodes, the momentum balances in the H2 and O2 gas flow channels, the energy balance ... Mehr lesen
This example extends the Fuel Cell Cathode tutorial to also include liquid water transport in the oxygen electrode. Liquid water is produced using a user-defined expression for vapor condensation, depending on the relative humidity level in the gas phase. An experimental capillary ... Mehr lesen
In small PEM fuel cell systems (in the sub-100 W range) no active devices for cooling or air transport are normally used. This is due to the desire to minimize parasitic power losses from pumps and fans, and to reduce the system complexity, size, and cost. The reactants at the cathode ... Mehr lesen
A fuel cell unit cell is modeled using the full Butler-Volmer expression for the anodic and cathodic charge transfer reactions. The anodic and cathodic overpotentials depend on the local ionic and electronic potentials, which are obtained from the charge balance equations for ionic and ... Mehr lesen
This model file was used for creating the plots featured in the blog post "How to Model Ion-Exchange Membranes and Donnan Potentials". Mehr lesen
This tutorial demonstrates how to use stationary polarization data to perform parameter estimation of a polymer electrolyte membrane fuel cell (PEMFC) model. The model, defining a 5-layer membrane electrode assembly (MEA) is two-dimensional and includes electronic and ionic charge ... Mehr lesen
This model describes the evaporation of a droplet that consists of concentrated solution of acetone and water. It accounts for the coupled phenomena of chemical species transport and heat transfer over phase boundaries (liquid-gas boundary) as well as for multiphase flow. The droplet ... Mehr lesen
A bipolar membrane consists of one anion-selective, and one cation-selective membrane, in contact with each other. The combined cation and anion selectivity makes the bipolar membrane highly impermeable to all ions, with the exception of H+ and OH- which are formed by water splitting ... Mehr lesen