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Investigation into roll waves on the surface of a condensate falling film

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Abstract

A mathematical model that describes flowing of a thin liquid film along a vertical wall allowing for condensation on the interphase surface in the roll wave mode is considered. Families of exact and numerical generalized solutions are constructed in which roll waves are conjugated through a strong and weak discontinuities with each other or with a “residual” thickness. These solutions simulate flowing of the film condensate over the vertical heat exchange surface.

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Authors and Affiliations

  1. Institute of Thermal Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 1, Novosibirsk, 630090, Russia

    V. E. Nakoryakov & M. V. Bartashevich

  2. Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 15, Novosibirsk, 630090, Russia

    V. V. Ostapenko

  3. Novosibirsk National Research State University, ul. Pirogova 2, Novosibirsk, 630090, Russia

    V. V. Ostapenko & M. V. Bartashevich

Authors
  1. V. E. Nakoryakov
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  2. V. V. Ostapenko
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  3. M. V. Bartashevich
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Corresponding author

Correspondence to M. V. Bartashevich.

Additional information

Original Russian Text © V.E. Nakoryakov, V.V. Ostapenko, M.V. Bartashevich, 2014, published in Doklady Akademii Nauk, 2014, Vol. 454, No. 5, pp. 540–544.

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Nakoryakov, V.E., Ostapenko, V.V. & Bartashevich, M.V. Investigation into roll waves on the surface of a condensate falling film. Dokl. Phys. 59, 94–98 (2014). https://doi.org/10.1134/S1028335814020086

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  • DOI: https://doi.org/10.1134/S1028335814020086

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