Dispersion of soluble matter in solvent flowing slowly through a tube

  title={Dispersion of soluble matter in solvent flowing slowly through a tube},
  author={Geoffrey Ingram Sir Taylor},
  journal={Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences},
  pages={186 - 203}
  • G. Taylor
  • Published 25 August 1953
  • Chemistry
  • Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences
When a soluble substance is introduced into a fluid flowing slowly through a small-bore tube it spreads out under the combined action of molecular diffusion and the variation of velocity over the cross-section. It is shown analytically that the distribution of concentration produced in this way is centred on a point which moves with the mean speed of flow and is symmetrical about it in spite of the asymmetry of the flow. The dispersion along the tube is governed by a virtual coefficient of… 

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