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Interfacial Phenomena and Heat Transfer

Publicado 4 números por año

ISSN Imprimir: 2169-2785

ISSN En Línea: 2167-857X

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THE EFFECT OF SUBSTRATE SURFACE ON THE DYNAMICS OF SESSILE DROP UNDER AXISYMMETRIC VIBRATIONS

Volumen 9, Edición 1, 2021, pp. 75-85
DOI: 10.1615/InterfacPhenomHeatTransfer.2021035378
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SINOPSIS

We study the free and forced oscillations of a fluid drop on an inhomogeneous solid substrate under high-frequency small-amplitude axisymmetric vibrations. The velocity of the contact line is directly proportional to the deviation of the contact angle. The proportionality coefficient characterizes the interaction of the contact line with the substrate. This parameter is considered as a function of coordinates, i.e., solid plates have nonuniform surfaces. The inhomogeneity of the solid surface leads to a significant change in the values of the eigenfrequencies and damping coefficients of free oscillations. Both the axisymmetric mode and different azimuthal modes are excited because energy is transferred from the forced energy to other modes due to nonuniform surfaces.

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CITADO POR
  1. Kashina M A, Alabuzhev A A, The deformed oblate drop’s free translational oscillations, Journal of Physics: Conference Series, 2317, 1, 2022. Crossref

  2. Alabuzhev A A, Influence of substrate properties on a fluid drop’s free translational oscillations, Journal of Physics: Conference Series, 2317, 1, 2022. Crossref

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