Fabrication of nitrogen trapping test loop for IFMIF-EVEDA

Nitrogen trapping is a key technology for liquid lithium usage, but has not been well investigated in dynamic conditions. Based on IFMIF (International Fusion Material Irradiation Facility)-EVEDA (Engineering Validation Engineering Design Activities), the nitrogen-trapping loop was designed and fabr...

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Bibliographic Details
Published in:Fusion engineering and design 2011-10, Vol.86 (9), p.2678-2681
Main Authors: Yagi, Juro, Ban-nai, Mikiko, Suzuki, Akihiro, Terai, Takayuki, Nakamura, Kazuyuki, Kondo, Hiroo, Ida, Mizuho, Kanemura, Takuji, Furukawa, Tomohiro, Hirakawa, Yasushi, Anzai, Masaaki
Format: Article
Language:English
Subjects:
Applied sciences
Circulation
Controled nuclear fusion plants
Dynamic tests
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Ferrous alloys
Fe–Ti alloy
IFMIF-EVEDA
Installations for energy generation and conversion: thermal and electrical energy
Intermetallic compounds
Liquid lithium
Lithium
Lithium loop
Nitrogen hot trap
Pebble bed
Pumps
Trapping
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Summary:Nitrogen trapping is a key technology for liquid lithium usage, but has not been well investigated in dynamic conditions. Based on IFMIF (International Fusion Material Irradiation Facility)-EVEDA (Engineering Validation Engineering Design Activities), the nitrogen-trapping loop was designed and fabricated at The University of Tokyo. Lithium in the loop can be heated up to 600 °C and is circulated by a mechanical pump. The pump, which works in high temperature lithium, is newly developed as well. Nitrogen trapping material, such as the Fe–Ti alloy pebble, can be installed as a pebble bed column similar to that of the EVEDA nitrogen trap. In order to avoid contamination by air, all of the components are installed in a vacuum vessel or in a vacuum glove box.
ISSN:0920-3796
1873-7196
DOI:10.1016/j.fusengdes.2011.01.096