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Latest ITER Newsline

  • Top management | ITER Council appoints new Director-General

    Convening in an extraordinary session in Paris, the ITER Council has appointed Pietro Barabaschi as the next Director-General of the ITER Organization. Mr Barab [...]

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  • On site | Open Doors for ITER families

    In a first at ITER, the gates of the monumental worksite opened on Saturday 17 September for a family-only Open Doors Day event, reserved for the families of st [...]

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  • Manufacturing | Russia ships four gyrotron sets

    Twenty-four electromagnetic wave generators called gyrotrons are at the heart of electron cyclotron resonance heating—the system on ITER that will ini [...]

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  • Fusion world | Science to resume at Wendelstein 7-X

    Improved equipment on Wendelstein 7-X will permit the stellarator device to achieve new scientific heights in a campaign planned to begin this autumn. Science a [...]

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  • ITER International School | On operation scenarios and control

    The 11th ITER International School concluded successfully in San Diego, USA, on 29 July after five days of lectures and discussions on the development of tokama [...]

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Of Interest

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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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