Application of neutron radiography to flow visualization in supercritical water

N. Takenaka, K. Sugimoto, S. Takami, K. Sugioka, T. Tsukada, T. Adschiri, Y. Saito

研究成果: Conference article査読

4 被引用数 (Scopus)

抄録

Supercritical water is used in various chemical reaction processes including hydrothermal synthesis of metal oxide nano-particles, oxidation, chemical conversion of biomass and plastics. Density of the super critical water is much less than that of the sub-critical water. By using neutron radiography, Peterson et al. have studied salt precipitation processes in supercritical water and the flow pattern in a reverse-flow vessel for salt precipitation, and Balaskó et al. have revealed the behaviour of supercritical water in a container. The nano-particles were made by mixing the super critical flow and the sub critical water solution. In the present study, neutron radiography was applied to the flow visualization of the super and sub critical water mixture in a T-junction made of stainless steel pipes for high pressure and temperature conditions to investigate their mixing process. Still images by a CCD camera were obtained by using the neutron radiography system at B4 port in KUR.

本文言語English
ページ(範囲)264-268
ページ数5
ジャーナルPhysics Procedia
43
DOI
出版ステータスPublished - 2013
イベント7th International Topical Meeting on Neutron Radiography, ITMNR 2012 - Kingston, ON, Canada
継続期間: 2012 6 162012 6 24

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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