Study on Freezing of a Single Droplet

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  • FUMOTO Koji
    Department of Mechanical Engineering, Kushiro National College of Technology
  • YAMAGISHI Hideaki
    Department of Mechanical Engineering, Kushiro National College of Technology
  • IKEGAWA Masahiro
    Division of Mechanical Science, Graduate School of Engineering, Hokkaido University

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Other Title
  • 単一液滴の凍結挙動に関する研究
  • タンイツ エキテキ ノ トウケツ キョドウ ニ カンスル ケンキュウ

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Description

The freezing characteristics of a single water droplet placed on the column edge were visually investigated using a video camera. The temperatures of the edge face and the environment air were independently controlled. The solidification process of the water droplet was discussed based on the many pictures obtained. The experimental results indicated that the freezing time of droplet was strongly affected by the edge temperature. Furthermore, we found that the water dispersion thermosensitivity slurry was effective for the observation of the temperature of the droplet. Consequently, it was indicated that the heat transfer characteristics of the droplet under freezing condition were mainly affected by both temperature of the air and surface of the flat plate.

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