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Image of the week | More cladding and a new message
As the October sun sets on the ITER worksite, the cladding of the neutral beam power buildings takes on a golden hue. One after the other, each of the scientifi [...]
Cryodistribution | Cold boxes 20 years in the making
Twenty years—that is how long it took to design, manufacture and deliver the cold valve boxes that regulate the flow of cryogens to the tokamak's vacuum system. [...]
In October 2011, when ITER organized its first 'Open Doors Day,' there was little to show and much to leave to the public's imagination: the Poloidal Field [...]
How will the power generated by nuclear fusion reactions be converted into electricity? That is not a question that ITER has been designed to answer explicitly, [...]
Fusion world | JET completes a storied 40-year run
In its final deuterium-tritium experimental campaign, Europe's JET tokamak device demonstrated plasma scenarios that are expected on ITER and future fusion powe [...]
The more construction progresses on the ITER worksite, the more the complexity of the project becomes obvious—and striking.
What was happening in the Tokamak Pit used to be easy to understand: a large hole in the bedrock, support columns and antiseismic pads, steel reinforcement and concrete to create the massive foundations of the ITER Tokamak.
Now—except at the very centre of the Tokamak Complex worksite where the middle crane stands—the foundations are no longer visible and construction has already advanced to the second basement level (B1).
The B1-level slab has been completed for the Diagnostic Building (right), is half completed for the Tokamak Building, and—on the site of the Tritium Building at left—workers are busy laying steel rebar prior to concrete pouring.
Aerial pictures like this one, taken on 11 July, reveal a complex landscape of concrete and steel and show the extraordinary density of embedded plates welded into the rebar.
The simple geometric forms of yesteryear have been replaced by complex structures but the magic remains—the ITER worksite is still a fascinating place.
