Transient Solidification Phenomena of Supercooled Water Flow
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概要
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In relation to the transportation of supercooled water, transient solidification phenomena of supercooled water flow was studied, experimentally. Time dependency of the pressure, temperature and flow rate after appearing of ice in a pipe were measured. At the same time, ice growth phenomenon in a pipe was observed from the outside. The initial ice was set using a trigger port. When ice appeared in a pipe, it was found that ice grew on the inner surface towards the upstream direction. In the upstream, dendrite ice or ice similar to fleecy clouds were formed opposing the direction of flow. On the other hand, ice did not form at downstream at the beginning, but after appearance of ice-flake floating from the upstream sticking the inner wall at downstream. Relationship among freezing progress rate in the upstream direction, mean f10w velocity and temperature were examined. It was found that freezing progress rate depends only on the temperature at the inner surface and not the mean flow velocity. Finally, the mechanism of ice growth in a pipe until blockade was discussed.
- 公益社団法人 日本冷凍空調学会の論文
公益社団法人 日本冷凍空調学会 | 論文
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