Cross-Flow Mass Transfer in a Thin Domain

Application ID: 102931


This application shows how mass transfer out from a thin 3D domain can be approximated using a 2D component with the domain feature Out-of-Plane Flux. This feature is useful when the concentration gradient in the out-of-plane direction (along the thickness) is small, and decreasing the computational time is important. In this example, the Transport of Concentrated Species and Laminar Flow physics interfaces are used to solve for the mass transfer and fluid flow. The Reacting Flow multiphysics coupling feature is used to couple the physical properties. The out-of-plane thickness, which is constant throughout the domain, is varied from 1 mm to 5 mm. As will be shown, by approximating the thin 3D component with a corresponding 2D component, the solution time decreases without a significant decrease in accuracy.

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