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Controlling the contact line behavior by introduction of artificial perturbations in a nonisothermal liquid film

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Abstract

The effect of periodic artificial perturbations on a heated liquid film at small Reynolds numbers is studied experimentally using a high-speed infrared camera. It is shown that the development of thermocapillary perturbations leads to movement of rivulets and affects contact line that outlines dry spot in a vertically falling heated film. It has been established that at sufficiently intense heat fluxes the artificial perturbations exert a significant effect on the structure of the flow and on the repeated wetting of dry zones.

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Authors and Affiliations

  1. Kutateladze Institute of Thermal Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    E. A. Chinnov & E. N. Shatskii

Authors
  1. E. A. Chinnov
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  2. E. N. Shatskii
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Correspondence to E. N. Shatskii.

Additional information

Original Russian Text © E.A. Chinnov, E.N. Shatskii, 2014, published in Teplofizika Vysokikh Temperatur, 2014, Vol. 52, No. 3, pp. 477–480.

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Chinnov, E.A., Shatskii, E.N. Controlling the contact line behavior by introduction of artificial perturbations in a nonisothermal liquid film. High Temp 52, 461–464 (2014). https://doi.org/10.1134/S0018151X14030079

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  • DOI: https://doi.org/10.1134/S0018151X14030079

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