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<p>The influence of spatial inhomogeneity of temperature on the dynamics and instabilities of a droplet floating on a heated liquid substrate is investigated. The cases of one- and two-dimensional modulation are considered. The problem is studied numerically in the framework of the slender droplet approximation and the precursor model. It is shown that spatial temperature inhomogeneity leads to the liquid redistribution in the substrate toward the region of lower temperature, which is accompanied by the change of the droplet shape. The gravity flattens the droplet and freezes the droplet’s shape, preventing the rupture.</p>

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Dynamics of Floating Droplets Under the Action of Non-uniform Heating from Below

  • 期刊论文

  • 发表日期：

    2025年5月15日

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  • Ilya Simanovskii,
  • Alexander Nepomnyashchy,
  • Antonio Viviani,
  • Patrick Queeckers

摘要

The influence of spatial inhomogeneity of temperature on the dynamics and instabilities of a droplet floating on a heated liquid substrate is investigated. The cases of one- and two-dimensional modulation are considered. The problem is studied numerically in the framework of the slender droplet approximation and the precursor model. It is shown that spatial temperature inhomogeneity leads to the liquid redistribution in the substrate toward the region of lower temperature, which is accompanied by the change of the droplet shape. The gravity flattens the droplet and freezes the droplet’s shape, preventing the rupture.