Visualization study of molten metal-water interaction by using neutron radiography

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • K. Mishima
  • T. Hibiki
  • Y. Saito
  • J. Sugimoto
  • K. Moriyama

Detail(s)

Original languageEnglish
Pages (from-to)391-403
Journal / PublicationNuclear Engineering and Design
Volume189
Issue number1
Publication statusPublished - 11 May 1999
Externally publishedYes

Abstract

The purpose of this study is to visualize the behavior of molten metal dropped into water during the premixing process by means of neutron radiography which makes use of the difference in the attenuation characteristics of materials. For this purpose, a high-sensitive, high-frame-rate imaging system using neutron radiography was constructed and was applied to visualization of the behavior of molten metal dropped into water. The test rig consisted of a furnace and a test section. The furnace could heat the molten metal up to 650°C. The test section was a rectangular tank made of aluminum alloy. The tank was filled with heavy water and molten Wood's metal was dropped into heavy water. Visualization study was carried out with use of the high-frame-rate neutron radiography to see the breakup of molten metal jet or lump dropped into heavy water pool. In the images obtained, water, steam or air bubbles, molten metal jets or droplets, cloud of small particles of molten metal after atomization could be distinguished. The debris of Wood's metal was collected after the experiment, and the relation between the break-up behavior and the size and the shape of the debris particles was investigated.

Bibliographic Note

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Citation Format(s)

Visualization study of molten metal-water interaction by using neutron radiography. / Mishima, K.; Hibiki, T.; Saito, Y. et al.
In: Nuclear Engineering and Design, Vol. 189, No. 1, 11.05.1999, p. 391-403.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review