Convection-Diffusion in a Semi-Infinite Region

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The dimensionless concentrations (
is surface concentration [
]) in a semi-infinite region are plotted (steady state in orange, transient in blue) up to the space coordinate
[
].
Contributed by: Mikhail Dimitrov Mikhailov (March 2011)
Open content licensed under CC BY-NC-SA
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The solution programmed includes all possible special cases. The general case is given by Bear and used to compute multispecies transport problems by Sun, et al.
J. Bear, Hydraulics of Groundwater, New York: McGraw-Hill, 1979.
Y. Sun, J. N. Petersen, T. P. Clement, and R. S. Skeen, "Development of Analytical Solutions for Multispecies Transport with Serial and Parallel Reactions," Water Resources Research, 35(1), 1999 pp. 185–190.
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