4/15/2024 0 Comments Download comsol 5.3 free torrent![]() ![]() This defines the diffusion, convection, migration, and reaction of chemical species for porous media flow, without having to set up separate interfaces and couple them. Modeling packed beds, monolithic reactors, and other catalytic heterogeneous reactors is substantially simplified with the new Reacting Flow in Porous Media multiphysics interface. View screenshot New Reacting Flow in Porous Media Interface A Donnan potential shift over the interface is calculated automatically from the concentrations of the charge-carrying ion on each side of the interface. This condition is typically used in electrochemical cells containing both free electrolytes and ion-exchange membranes, for instance, in dialysis problems. ![]() The new Ion-Exchange Membrane boundary node specifies a boundary condition where the flux of ions is continuous, but where the electrolyte potential is discontinuous and is described by a Donnan equilibrium. Ion-Exchange Membrane Internal Boundary Condition in the Tertiary Current Distribution, Nernst-Planck Interface ![]() Browse all of the Batteries & Fuel Cells Module updates in more detail below. For users of the Batteries & Fuel Cells Module, COMSOL Multiphysics ® version 5.3 includes a new boundary condition for charge-discharge cycling, new boundary conditions for modeling thin layers, as well as new physics interfaces for modeling reacting flow in porous media and chemical species transport in fractures. ![]()
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