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Inside of ITER's large D-shaped toroidal field coils, the stacked layers of conductor will be held in place by radial plates—large steel structures with grooves machined on either side.
In 2012, the European Domestic Agency awarded a EUR 160 million contract for the fabrication of 70 radial plates to a French-Italian consortium, CNIM (France)-SIMIC (Italy) and manufacturing is currently underway.
In this promotional video produced by CNIM, the camera takes us inside the 3,000 m2 factory in Toulon, France that was specially constructed for CNIM's share of the radial plate contract. One radial plate comes off of the manufacturing line per month, thanks to a team of 50 skilled employees organized in three shifts.
Three years of investment in R&D and industrial processes and the construction of a 9 x 36 metre machining centre were necessary to perfect the highly technological machining and welding of the ITER radial plates.
At the Korea Institute of Fusion Energy (KFE), the KSTAR tokamak recommenced operations in December after a major upgrade to replace the…
KSTAR aims for longer plasmas
At the Korea Institute of Fusion Energy (KFE), the KSTAR tokamak recommenced operations in December after a major upgrade to replace the device's carbon divertor with a tungsten divertor.
According to an article on the KFE website, the original carbon divertors could take a thermal load of 5MW/m², whereas the tungsten divertor can take 10MW/m². The upgrade is critical to the goal of sustaining a 100-million-degree plasma for 300 seconds by 2026. Data from the operational campaign will be directly relevant to ITER, which will operate a tungsten divertor under similar plasma conditions in terms of shape and structure.
This testing campaign will continue through February 2024. Read more about the plans in this article in English on the KFE website, or in Korean in the Chosun Biz.