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News & Media

Latest ITER Newsline

  • The magnet lab next door

    Two and a half years ago ITER and the French Alternative Energies and Atomic Energy Commission (CEA) entered a collaborationto prepare for the challenging task [...]

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  • Activity on every floor

    At every floor of the Tokamak Complex—from the lowest underground level (B2) all the way to the second regular level of the bioshield (L2)—there is intense acti [...]

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  • Bringing the Research Plan up to date

    The ITER Research Plan is an ITER baseline document which outlines the main lines of science and technology research derived from the project's mission goals. [...]

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  • Further validation for ring magnet fabrication

    Once a component mockup has been produced—and before fabrication can begin on the actual component or system—a manufacturing readiness review is required to ens [...]

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  • First central solenoid module ready for heat treatment

    In a major milestone, the US contractor responsible for the fabrication of the ITER central solenoid has successfully joined seven individual coil sections, or [...]

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Of Interest

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The light turns green for ITER diagnostics in Japan

-Kiyoshi Itami, ITER Diagnostics, Japan

The new building on the grounds of the JAEA Naka Fusion Institute is dedicated to the testing and development of diagnostic systems for ITER. (Click to view larger version...)
The new building on the grounds of the JAEA Naka Fusion Institute is dedicated to the testing and development of diagnostic systems for ITER.
The Japanese Domestic Agency for ITER has completed the construction of a dedicated diagnostic building that will be used for the testing of diagnostic systems during the preliminary and final design phases, as well as works for the assembly and/or adjustment of diagnostics and diagnostic port systems.

As the new traffic light turned green for the first time on 1 April 2015, and the engineers began working in the Advanced Diagnostics Development Building on the site of the JAEA Naka Fusion Institute, the Japanese Domestic Agency celebrated a major milestone.
 
Within the new building, the ITER diagnostic systems under Japanese procurement will be developed. The main room (80 m long, 25 m wide and 12 m high) size is climate controlled for delicate diagnostic components and is equipped with 20-tonne and 3-tonne capacity overhead cranes for the manipulation of port structures that weigh as much as 10 tonnes.

The space is divided into areas for individual diagnostics—micro fission chambers, the poloidal polarimeter and its upper port integration, edge Thomson scattering measurement, the divertor impurity monitor and its lower port integration, divertor IR thermography—so that development can proceed in parallel. Clean rooms for lasers have also been designed into the facility.

Performance tests and final tests will be carried out here for each system before delivery to the ITER Organization.


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