Chemically-Driven Miscible Viscous Fingering: How Can a Reaction Destabilize Typically Stable Fluid Displacements?

  • L. A. Riolfo
  • Y. Nagatsu
  • P. M. J. Trevelyan
  • A. De Wit
Part of the Springer Proceedings in Complexity book series (SPCOM)


We experimentally demonstrate that chemical reactions, by producing changes in viscosity at the miscible interface between two fluids, can be the very source of viscous fingering in systems that are otherwise stable in the absence of a reaction. We explain how, depending on whether the reaction product is more or less viscous than the reactants, different patterns develop in the reaction zone.


Reaction Zone Viscous Fluid Displacement Experiment Polyacrylic Acid Displacement Direction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We acknowledge JSPS, Prodex, the ITN—Marie Curie—Multiflow network and FNRS for financial support.


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Copyright information

© Springer International Publishing Switzerland 2013

Authors and Affiliations

  • L. A. Riolfo
    • 1
  • Y. Nagatsu
    • 2
  • P. M. J. Trevelyan
    • 3
  • A. De Wit
    • 1
  1. 1.Nonlinear Physical Chemistry Unit, Service de Chimie Physique et Biologie Théorique, Faculté des SciencesUniversité Libre de Bruxelles (ULB)BrusselsBelgium
  2. 2.Graduate School of EngineeringTokyo University of Agriculture and TechnologyFuchuJapan
  3. 3.Division of Mathematics & StatisticsUniversity of GlamorganPontypriddWales

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