Small-scale Vapor Explosions on a Surface of Stationary Molten Tin Cooled by Flowing Water

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概要

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• A special experimental system in which a surface of stationary molten tin is cooled by flowing water is employed, and the trigger mechanism of vapor explosion is investigated by measuring the transient tin temperature and by observing the aspects of phenomena with cinecamera. Tests are repeated varying water temperature as well as initial tin temperature over a wide range. In the cooling process of molten tin, four characteristic tin temperatures are detected which are associated with four peculiar phenomena: splashing, quenching, swelling and vapor explosion. The vapor explosion takes place only when the tin temperature is in the range limited from upper side by the so-called quench temperature and from lower side by the spontaneous nucleation temperature of water. From these results, some of the characteristics of small-scale vapor explosion in a previous paper can be explained well.

• 一般社団法人日本機械学会の論文

著者

• Shoji Masahiro

  Univ. Of Tokyo

• TAKAGI Niro

  Univ. of Tokyo. Dept. of Mech. Eng., Faculty of Eng.

• Takagi Niro

  Univ. Of Tokyo. Dept. Of Mech. Eng. Faculty Of Eng.

関連論文

• Small-scale Vapor Explosions on a Surface of Stationary Molten Tin Cooled by Flowing Water

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