An analysis of dispersion arising from creeping flow through a periodically constricted tube is developed with the goal of evaluating the effect of converging and diverging pore structure on dispersion in porous media. The theory is based on rigorous long‐time solutions of the convective‐diffusion equation. The calculations are done numerically over a range of Peclet numbers and tube geometries; for the geometrical parameters which correlate permeability data in packed beds, the results of the present work agree well with literature data for dispersion in such beds.
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Hoagland et al. (1985) studied this question.
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