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Interfacial instabilities driven by chemical reactions

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Abstract

We investigate the interaction of thin films with chemical reactions by using as a model system a horizontal film with a reactive mixture of insoluble surfactants on its free surface. The reaction is modeled by a bistable/excitable FitzHugh-Nagumo (FHN) prototype. The chemical reaction can destabilize the film leading to the propagation of solitary pulses on its free surface.

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Authors and Affiliations

  1. Department of Chemical Engineering, Imperial College London, London, SW7 2AZ, UK

    A. Pereira & S. Kalliadasis

  2. Center for Nonlinear Phenomena and Complex Systems, CP. 231, Université Libre de Bruxelles, 1050, Bruxelles, Belgium

    P. M.J. Trevelyan

  3. School of Mathematics, Loughborough University, Loughborough, LE11 3TU, UK

    U. Thiele

Authors
  1. A. Pereira
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  2. P. M.J. Trevelyan
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  3. U. Thiele
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  4. S. Kalliadasis
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Correspondence to S. Kalliadasis.

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Pereira, A., Trevelyan, P., Thiele, U. et al. Interfacial instabilities driven by chemical reactions. Eur. Phys. J. Spec. Top. 166, 121–125 (2009). https://doi.org/10.1140/epjst/e2009-00891-1

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  • DOI: https://doi.org/10.1140/epjst/e2009-00891-1

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