# Concentration Distributions with a Position-Dependent Diffusion Coefficient

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This Demonstration shows plots of the steady-state concentration distribution through a plane sheet, a cylindrical annulus, and a spherical shell, in which diffusion is assumed to be one-dimensional. Different values of parameter can be chosen.

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Contributed by: Housam Binous and Ahmed Bellagi (August 2015)

Open content licensed under CC BY-NC-SA

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Reference

[1] J. Crank, *The Mathematics of Diffusion*, 2nd ed., New York: Oxford University Press, 1975.

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