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News & Media

Latest ITER Newsline

  • Cryolines | Not just any pipes

    In order to produce and sustain plasmas ten times hotter than the core of the Sun, some essential elements of the ITER machine need to be cooled to temperatures [...]

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  • Symposium in Japan | Fusion attracts strong political support

    A recent symposium in Japan on fusion energy attracted 500 participants. The Fusion Energy Forum of Japan was established in 2002 for the purpose of promoting [...]

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  • Fiction | "Steampunk" fusion machine travels in time

    Ever since a 'Mr Fusion' device appeared on Doc's time-travelling DeLorean in the first opus of the Back to the Future trilogy (1985), fusion energy has exerted [...]

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  • Construction | Honouring the crown mockup

    Medieval stone masons used to engrave their personal mark on the walls and pillars of the cathedrals they contributed to building. Their present-day counterpart [...]

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  • Neutral beam diagnostics | Right in the line of the beam

    A high-precision diagnostic is about to enter into service at the ITER Neutral Beam Test Facility, where scientists are testing key aspects of ITER's external h [...]

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Of Interest

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The cold factory

In order to maintain 10,000 tonnes of magnets at superconducting temperature, to cool the thermal shield and to feed the cryopumps, ITER will need to circulate huge quantities of cooling fluids.

 (Click to view larger version...)
As a consequence, the ITER cryoplant (worksite pictured) will be deliver 75 kW of combined cooling power.

The soccer-field-size installation will comprise three identical plants to store and circulate liquid helium (at a temperature of 4 K or minus 269 °C) throughout the installation.

Helium is not the only ultra-cold fluid that the cryoplant will produce. Liquid nitrogen, at a temperature of minus 196 °C, will be used as a "pre-cooler" in the liquid helium plants.

 (Click to view larger version...)
On the site of the cryoplant, not far from the Poloidal Field Coils Winding Facility, the foundations are in place. Work is now focused on the construction of the columns that will support the cranes for the installation's maintenance and on the slabs that will support the heavy megawatt-class screw compressors and high-speed turbines.

The building structure should be delivered in April 2017.


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