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Surface instability on thin fluid layers of a binary mixture

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Abstract

A long-wave model for thin layers consisting of two miscible fluids is presented. The model is a development of a simplified 2D model variant which considers the temperature and the concentration fields as linear functions on the vertical coordinate and neglect the convective terms from the corresponding equations. Now, the 2D thin film equation is coupled to complete 3D energy and mass conservations equation. We discuss the extended system in the linear approximation and in the initial nonlinear stage.

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Authors and Affiliations

  1. Department of Theoretical Physics II, Brandenburg University of Technology, Eirch-Weinert-Strasse 1, 03046, Cottbus, Germany

    Ion Dan Borcia & M. Bestehorn

Authors
  1. Ion Dan Borcia
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  2. M. Bestehorn
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Correspondence to Ion Dan Borcia.

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Borcia, I., Bestehorn, M. Surface instability on thin fluid layers of a binary mixture. Eur. Phys. J. Spec. Top. 166, 73–76 (2009). https://doi.org/10.1140/epjst/e2009-00881-3

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  • DOI: https://doi.org/10.1140/epjst/e2009-00881-3

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