ITER Activities in Japan

Japanese contributions to ITER engineering design activities are presented, together with an introduction of the objectives and design of the ITER, whose program has been carried out through international collaboration by the European Union, Japan, Russian Federation, and the United States. New tech...

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Bibliographic Details
Published in:Fusion science and technology 2002-07, Vol.42 (1), p.75-93
Main Authors: Tsunematsu, Toshihide, Seki, Masahiro, Tsuji, Hiroshi, Okuno, Kiyoshi, Kato, Takashi, Shibanuma, Kiyoshi, Hanada, Masaya, Watanabe, Kazuhiro, Sakamoto, Keishi, Imai, Tsuyoshi, Ezato, Koichiro, Akiba, Masato
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ANIONS
CONTAINERS
DESIGN
ENGINEERING
FABRICATION
FIRST WALL
GHZ RANGE
Gyrotrons
HEAT FLUX
Ion beams
ITER TOKAMAK
JAPAN
MAINTENANCE
MEV RANGE
Particle accelerators
SUPERCONDUCTING MAGNETS
TESTING
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Summary:Japanese contributions to ITER engineering design activities are presented, together with an introduction of the objectives and design of the ITER, whose program has been carried out through international collaboration by the European Union, Japan, Russian Federation, and the United States. New technologies have been produced through the development, fabrication, and testing of scalable models in the fields of superconducting magnets, reactor structures with vacuum vessels, remote-maintenance machines, high-heat-flux plasma facing components, neutral beam injectors, high-power millimetre-wave generators, etc. As major contributions from Japan, development and testing results of a 13-T, 640-MJ, Nb 3 Sn pulsed magnet; an 18-deg sector of a vacuum vessel with a height of 15 m and a width of 9 m; CFC armor for a CuCrZr cooling tube that withstood 20 MW/m 2 ; a 31 mA/cm 2 negative ion beam source; a 1-MeV beam accelerator; and a 1-MW 170-GHz gyrotron are described.
ISSN:1536-1055
1943-7641
DOI:10.13182/FST02-A214