Transient Diffusion in a Bilayer System

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This Demonstration lets you solve two partial differential equations that describe dynamic diffusive transport in a bilayer system.

Contributed by: Jorge Gamaliel Frade Chávez (March 2011)
Open content licensed under CC BY-NC-SA


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Details

Many of the transient models in transport phenomena can be expressed as partial differential equations. In this case the equations in dimensionless form are

,

,

with these boundary conditions:

at ,

;

at ,

,

;

at ,

,

and the initial conditions

,

.

This mathematical model describes dynamic diffusive transport in a system consisting of two layers.



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