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Abstract <p>We report a numerical investigation of the characteristics of a cumulative jet formed by the collapse of a vapor bubble at the end of a thin (~0.6 mm) fiber during laser-induced subcooled boiling in the presence of a liquid flow directed along the fiber axis. Flows in both directions are considered. Data on the dependence of the jet velocity on the that of the liquid flow are obtained. It is shown that there is a range of flow velocities beyond which jet formation is impossible. Analysis of the dynamics of vapor bubble growth and collapse makes it possible to explain the reasons for the impossibility of jet formation at high absolute values of the flow velocity.</p>

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Numerical Investigation of Laser-Induced Subcooled Boiling at the End of a Thin Fiber in a Liquid Flow

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • V. A. Kosyakov,
  • R. V. Fursenko,
  • V. M. Chudnovskii

摘要

Abstract

We report a numerical investigation of the characteristics of a cumulative jet formed by the collapse of a vapor bubble at the end of a thin (~0.6 mm) fiber during laser-induced subcooled boiling in the presence of a liquid flow directed along the fiber axis. Flows in both directions are considered. Data on the dependence of the jet velocity on the that of the liquid flow are obtained. It is shown that there is a range of flow velocities beyond which jet formation is impossible. Analysis of the dynamics of vapor bubble growth and collapse makes it possible to explain the reasons for the impossibility of jet formation at high absolute values of the flow velocity.