One-dimensional diffusion with the diffusion coefficient a linear function of concentration: reduction to an equation of the first order
Abstract: The problem considered by Stokes, of one-dimensional diffusion from an initially sharp boundary between two semi-infinite columns of liquid, the diffusion constant being a linear function of concentration, is discussed. It is shown how the differential equation may be reduced to an equation of the first order. Some properties of the solution are investigated, and the method of obtaining numerical solutions is considered.
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