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Test facility | How do electronics react to magnetic fields?
A tokamak is basically a magnetic cage designed to confine, shape and control the super-hot plasmas that make fusion reactions possible. Inside the ITER Tokamak [...]
More than 500 students took part in the latest ITER Robots challenge. Working from the same instructions and technical specifications, they had worked in teams [...]
To accommodate the first real-time system integrated with the ITER control system, new components of the data archiving system have been deployed. Data archivi [...]
Like in a game of musical chairs—albeit in slow motion and at a massive scale—components in the Assembly Hall are being transferred from one location to another [...]
Dated April 2023, this new image of the ITER "planet" places the construction site squarely in the middle. One kilometre long, 400 metres wide, the IT [...]
The stage is ready, some of the props are already in place, and the show will soon begin. It will be a grand production served by an international cast of highly skilled performers. The central theme? Twin Titans, in the form of giant tools dancing a mechanical ballet to contribute to the assembly of one of the most complex machines ever conceived.
The rafters of the Assembly Hall are the catwalk of this oversized theatre. They offer a breathtaking view of the ongoing work on the stage floor some 45 metres below.
The rafters of the Assembly Hall are the catwalk of this oversized theatre. They offer a breathtaking view of the ongoing work on the stage floor some 45 metres below.
To the right side of the 6,000-square-metre open space, technicians are busy preparing for the Titans' arrival, bolting semi-circular rail tracks to steel plates anchored deep into the floor, adjusting torque, and verifying alignment with laser optics.
The Twin Titans, SSAT-1 and SSAT-2 (for vacuum vessel Sector Sub-Assembly Tool), will travel along these tracks, opening and closing their arms to bring together and pre-assemble a vacuum vessel sector with a pair of toroidal field coils plus thermal shielding—for a total mass of 1,200 tonnes. The operation will be repeated nine times, once for each of the nine vacuum vessel sectors.
The Titans will operate in close cooperation with another giant tool—the double overhead crane that will deliver the sub-components to be assembled and, when completed, will carry each sub-assembly to the Tokamak well.
The Titans will operate in close cooperation with another giant tool—the double overhead gantry crane whose lifting capacity exceeds 1,500 tonnes.
Load tests for the 1,500-tonne overhead crane will begin next week. But the dummy loads are already in place, stacked in the centre of the stage ... approximately 40 steel-and-concrete blocks that will stand in the place, for the time of the trials, of ITER's massive components.
Several tests will be performed: a static test at nominal capacity, followed by a dynamic test at 10 percent over-capacity (reproducing all of the operational movements of the crane) and a final test at 25 percent over-capacity to verify that the flexion of the 43-metre-long girders remains within specifications.
The actual production on stage will open in a little more than a year. It is expected to be one of the most spectacular in the history of science and industry.
