# On the dispersion of a solute in pulsating flow through a tube

@article{Aris1960OnTD, title={On the dispersion of a solute in pulsating flow through a tube}, author={R. Aris}, journal={Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences}, year={1960}, volume={259}, pages={370 - 376} }

The effective dispersion coefficient of a solute in pulsating flow through a circular tube is here found. The case of a viscous flow under a pulsating pressure gradient is treated in detail and it is found that the Taylor diffusion coefficient contains terms proportional to the square of the amplitude of the pressure pulsations. However, the coefficients of these terms tend rapidly to zero, and the effect of pulsation will rarely contribute a fraction of more than 1/128 (the ratio of the… Expand

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