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タイトル: In-situ Neutron Tomography on Mixing Behavior of Supercritical Water and Room Temperature Water in a Tubular Flow Reactor
著者: Takami, Seiichi
Sugioka, Ken-ichi
Ozawa, Kyohei
Tsukada, Takao
Adschiri, Tadafumi
Sugimoto, Katsumi
Takenaka, Nobuyuki
Saito, Yasushi
著者名の別形: 齊藤, 泰司
キーワード: tomography
flow-type reactor
supercritical water
mixing
hydrothermal reaction
発行日: 2015
出版者: Elsevier BV
誌名: Physics Procedia
巻: 69
開始ページ: 564
終了ページ: 569
抄録: We have synthesized metal oxide nanoparticles through hydrothermal reaction at around 400 °C and 25 MPa by mixing the stream of metal ion solution at room temperature with another stream of supercritical water in a continuous flow-type reactor. In order to visualize the mixing behavior of the two streams, we performed neutron tomography measurements. By performing tomography measurements while rotating the mixing piece with supplying supercritical water and room temperature water, we succeeded in obtaining the three dimensional distribution of neutron attenuation. The results clearly showed how the two streams mix, which serves as a reference for numerical simulation.
著作権等: © 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license(https://creativecommons.org/licenses/by-nc-nd/4.0/)
URI: http://hdl.handle.net/2433/226435
DOI(出版社版): 10.1016/j.phpro.2015.07.080
出現コレクション:学術雑誌掲載論文等

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