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<p>Mean flows induced by linear high frequency vibrations of a solid body immersed in a liquid or in contact with a free surface are studied experimentally and theoretically. It is shown that the flow structure and intensity strongly depend on a liquid viscosity and the shape of a solid body. Experiments and numerical simulations performed for the configuration imitating the Czochralski crystal growth method enabled us to emphasize the role of different vibrational mechanisms, and the role of the radius of curvature of a crystal edge (in the case of crystal immersed in the melt). Three different vibrational mechanisms of mean flow generation have been identified and emphasized.</p>

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Mean Flows Induced by Oscillations of a Solid Body Immersed in an Isothermal Liquid

  • 期刊论文

  • 发表日期：

    2025年8月6日

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  • T. P. Lyubimova,
  • D. V. Lyubimov,
  • A. A. Ivanova,
  • V. G. Kozlov,
  • S. Meradji,
  • B. Roux

摘要

Mean flows induced by linear high frequency vibrations of a solid body immersed in a liquid or in contact with a free surface are studied experimentally and theoretically. It is shown that the flow structure and intensity strongly depend on a liquid viscosity and the shape of a solid body. Experiments and numerical simulations performed for the configuration imitating the Czochralski crystal growth method enabled us to emphasize the role of different vibrational mechanisms, and the role of the radius of curvature of a crystal edge (in the case of crystal immersed in the melt). Three different vibrational mechanisms of mean flow generation have been identified and emphasized.