76th Annual Meeting of the APS Division of Fluid Dynamics (November 19, 2023 — November 21, 2023)

V0059: Jumping beaker

  • Asuka Hosokawa, Tokyo University of Agriculture and Technology
  • Zibo Ren, Tsinghua University
  • Kazuya Kobayashi, Nippon Institute of Technology
  • Yoshiyuki Tagawa, Tokyo University of Agriculture and Technology
DOI: https://doi.org/10.1103/APS.DFD.2023.GFM.V0059

When a water drop is added into a hot oil both of about 150°C, the water drop reaches a superheated state and at some point and undergoes explosive boiling. At this time, we found that not only the oil but also the beaker containing the oil itself jumps. The jump of the beaker is due to the change in hydrodynamic pressure caused by the oscillation of the vapor bubbles. By controlling the volume and position of the bubbles, the jumping height and direction can be determined.

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