Motion of Liquid around a Vapor Bubble in Saturated Pool Nucleate Boiling in Region of Interfered Bubble.

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  • 気泡干渉域飽和プール核沸騰における蒸気泡周りの液体の挙動
  • キホウ カンショウイキ ホウワ プール カク フットウ ニ オケル ジョウキホ

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Abstract

In order to elucidate the mechanism of saturated pool nucleate boiling in the region of the interfered bubble from a local viewpoint, flow visualization of liquid motion caused by the vapor bubble action was carried out. In this experiment, two hydrogen generating electrodes for supplying vapor bubbles were provided on the heating surface. Within the present study, liquid speed is accelerated through the behavior of the neighboring bubble. Liquid speed is mainly decided by liquid extrusion action due to vapor bubble growth and the entaild flow effect after separation of the vapor bubble.

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