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24 April 2024
 
  » arxiv » 1212.3024

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Speeding chemical reactions by focusing
A. M. Lacasta ; L. Ramirez-Piscina ; J. M. Sancho ; K. Lindenberg ;
Date 13 Dec 2012
AbstractWe present numerical results for a chemical reaction of colloidal particles which are transported by a laminar fluid and are focused by periodic obstacles in such a way that the two components are well mixed and consequently the chemical reaction is speeded up. The roles of the various system parameters (diffusion coefficients, reaction rate, obstacles sizes) are studied. We show that focusing speeds up the reaction from the diffusion limited rate (t to the power -1/2) to very close to the perfect mixing rate, (t to the power -1).
Source arXiv, 1212.3024
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