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Sehen Sie sich die Kollektion für die COMSOL Conference 2023 an
Electrochemical Modeling of Copper Electrorefining in Lab Scale and Pilot Plant Scale
Pyrochemical reprocessing is a non-aqueous method for reprocessing spent metallic fuels. Electrorefining is an important step in pyrochemical reprocessing. Ambient temperature electrorefiner (ATER) is a facility to demonstrate the various mechanisms and associated interlocks. Here the ... Mehr lesen
Optimizing Electrode Surface Area by COMSOL Multiphysics®
In the design of electrorefiner, Working electrode and Counter electrode surface areas are very important. The main aim of this study is to understand the effect of the ratio of Anode to cathode Surface areas in an electrorefining cell. Application of this model to design electrorefiner ... Mehr lesen
Estimation of Localized O2 Starvation Using 3D Modelling for PEM Fuel Cells
Air breathing proton exchange membrane fuel cells have now found its use in wide range of domestic and commercial energy based applications. Optimization of Proton Exchange Membrane Fuel Cell system parameters and its safer operation under dynamic conditions ensure higher system ... Mehr lesen
Current Distribution on PEM Fuel Cells with Different Flow Channel Patterns
In this paper, PEM fuel cells with serpentine and interdigitated flow channel patterns were studied. The main objective was to analyze the influence of the flow channel design in the current distribution over the cell. A 3D isothermal model comprising the entire 5 cm² cell was developed ... Mehr lesen
Numerical Modeling of a Microtubular Solid Oxide Fuel Cell Using COMSOL Multiphysics®
Micro-tubular Solid Oxide Fuel Cells (mSOFC) are attracting more and more interest as new generation of energy conversion devices. Although commercial applications still suffer from high costs, there is a need for further improvement of the cell performance, durability and start-up. To ... Mehr lesen
Electrochemical Pickling of Steel for Industrial Applications: Modeling
The electrochemical pickling of steel has two main purposes: 1) To remove thermal oxide; 2) To dissolve chromium-depleted layer, to reinstate the corrosion-resistant properties of the stainless steel; A reliable, flexible and robust 3D model has been made for simulating the steel ... Mehr lesen
Thermal Diffusivity Test Bench for Li Ion Cells Using LiveLink™ for MATLAB®
LiveLink™ for MATLAB® is used to fit the surface temperature of a battery cell within a COMSOL Multiphysics® model to the temperature measured by a thermal imaging camera. The test bench was designed and built up of ourselves to allow nondestructive thermal diffusivity measurement of Li ... Mehr lesen
The Fast Model for Ionic Wind Simulation
Ionic wind is the gas flow induced by the corona discharge. Ions produced by corona are accelerated by electric field and transfer their momentum to neutral molecules. Using ionic wind one can convert electric energy to kinetic energy of air flow almost directly. The phenomenon of ionic ... Mehr lesen
Reverse Electrodialysis Process with Seawater and Concentrated Brines: a COMSOL Multiphysics® Model for Equipment Design
Salinity Gradient Power (SGP) is a promising renewable energy source associated to the controlled mixing of two aqueous solutions of different salinities. Recently, Reverse Electrodialysis process (SGP-RE, or RED) has been identified as a successful way for the exploitation of such ... Mehr lesen
Hierarchical Modeling of Polymer Electrolyte Membrane Fuel Cells
A finite element model of a polymer electrolyte membrane fuel cell (PEMFC) is described in this paper. We divide the PEMFC into two separate and parallel 2D regions which are connected by the 1D regions representing the membrane electrode assembly (MEA). COMSOL Multiphysics® was used as ... Mehr lesen