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<p>Spontaneous fragmentation of droplets of tin melts and a two-component mixture of NaCl salt with tin in distilled water was investigated during microsteam explosions. Using high-speed video recording of the process (with a frame rate of 39 kHz and an exposure time of up to 1.5 μs) and the results of studying the structure of solidified tin fragmentation products (debris), differences in the process mechanisms for these melts were demonstrated. Higher-power steam explosions with finer tin fragmentation were observed in the case of NaCl–Sn droplets, which can apparently be explained by the greater stored specific heat per unit mass and the higher initial temperature of the melt.</p>

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Mechanisms of Fragmentation in Small-Scale Steam Explosions Using the Example of Droplets of Sn and NaCl–Sn Melts

  • 期刊论文

  • 发表日期：

    2026年3月1日

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  • N. V. Vasiliev,
  • S. N. Vavilov,
  • I. P. Semenov

摘要

Spontaneous fragmentation of droplets of tin melts and a two-component mixture of NaCl salt with tin in distilled water was investigated during microsteam explosions. Using high-speed video recording of the process (with a frame rate of 39 kHz and an exposure time of up to 1.5 μs) and the results of studying the structure of solidified tin fragmentation products (debris), differences in the process mechanisms for these melts were demonstrated. Higher-power steam explosions with finer tin fragmentation were observed in the case of NaCl–Sn droplets, which can apparently be explained by the greater stored specific heat per unit mass and the higher initial temperature of the melt.