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News & Media

Latest ITER Newsline

  • Image of the week | The platform's quasi-final appearance

    Since preparation work began in 2007 on the stretch of land that was to host the 42-hectare ITER platform, regular photographic surveys have been organized to d [...]

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  • Cryopumps | Preparing for the cold tests

    Before being delivered to ITER, the torus and cryostat cryopumps are submitted to a  comprehensive series of factory acceptance tests. This is not sufficie [...]

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  • Fusion technologies | Closing a fusion schism

    Historically, inertial confinement and magnetic confinement approaches to fusion have been parallel, separate processes. The ITER Private Sector Fusion Workshop [...]

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  • Toroidal field coil celebration | "A good day for the world"

    A little before 2:00 a.m. on 17 April 2020 a powerful transport trailer, accompanied by dozens of technical and security vehicles, passed the gates of the I [...]

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  • Press conference | New baseline to prioritize robust start to exploitation

    At a press conference on 3 July attended by approximately 200 journalists and key ITER stakeholders, ITER Director-General Pietro Barabaschi answered questions [...]

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Of Interest

See archived entries

Image of the week

Full circle

In the ITER Assembly Hall, the circle of the lower cryostat thermal shield is now complete. A lot of work remains to be done, however, before the silver-plated component is inserted into the assembly pit in about one month.

A relatively frail component (20 metres in diameter, 50 tonnes), the lower cryostat thermal shield will be inserted into the assembly pit in about one month. (Click to view larger version...)
A relatively frail component (20 metres in diameter, 50 tonnes), the lower cryostat thermal shield will be inserted into the assembly pit in about one month.
"We need to check the alignment of the 18 panels, tighten the bolts, remove the internal supports, and install the instrumentation and piping," explains Germàn Perez Michel, the mechanical engineer who oversees the operation.

Soon, a dedicated circular lifting tool will be assembled to raise the relatively frail component (20 metres in diameter, 50 tonnes) and deliver it to its final position inside the cryostat base.

The lower cryostat thermal shield will fit inside the soup-dish-shaped depression of the cryostat base to form a heat barrier protecting the magnets at superconducting temperature.

The thin layer of silver (a low-emissivity material) that covers its entire surface raises an obstacle against the thermal radiation, in the form of electromagnetic waves, that a heat source generates.



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