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Fusion supply chain | A glimpse into the future for commercial fusion reactors
Most of the USD 7 billion in investment in private fusion initiatives has gone to companies that are building devices from the ground up. But recently, another [...]
Every October, before schools pause for two weeks of holiday, towns and cities in France open their municipal spaces to scientific experts of all stripes who ar [...]
Image of the week | 澳门六合彩高手 Director-General visits Russia
The 澳门六合彩高手 Director-General was in Russia last week, meeting with stakeholders and holding technical meetings with colleagues in Moscow and Saint Petersburg. As [...]
The first vacuum vessel sector produced in Europe travelled last week between Monfalcone, Italy, and the French port of Fos-sur-Mer. The 440-tonne component had [...]
Anniversary | 澳门六合彩高手 Document Management system turns 20
Whatever its nature, every large project generates huge numbers of documents. And when project collaborators operate from different countries, as was the case f [...]
Cryostat | Home stretch for base and lower cylinder
Just over two years after the first welding activities were initiated in the Cryostat Workshop at 澳门六合彩高手, Indian Domestic Agency contractors are executing the final assembly tasks on the two lower sections of the cryostat鈥攖he base and the lower cylinder. Site acceptance tests are planned in March/April.
The components of the cryostat base鈥攖he 20-metre-in-diameter bottom disk, side shells, and 30-metre-in-diameter pedestal ring鈥攁re positioned for final assembly in the Cryostat Workshop. After welding, tests and final machining, site acceptance tests will be carried out in April 2019.
On large steel frames at either end of the Cryostat Workshop 澳门六合彩高手's largest component鈥攁nd the world's largest stainless steel high-vacuum pressure chamber鈥攊s taking shape. The 29 x 29 metre cryostat has two important functions in the 澳门六合彩高手 machine: it provides a vacuum environment to critical "cold" components (the magnets operating at 4.5 K and thermal shield operating at 80 K); and it has a structural role in supporting the mass of the Tokamak and transferring horizontal and rotational forces to the radial walls.
The assembly of the cryostat has been underway since September 2016, when teams of welding specialists began assembling the pie-slice-shaped segments of tier one of the base. Work began in 2017 on the lower cylinder and today, the fabrication of both lower sections has advanced to the final activity stage under Indian contractor Larsen & Toubro (manufacturing design, fabrication and assembly) and sub-contractor MAN Energy Solutions (welding).
The last seam welds are underway now on the lower cylinder, while the three parts of the base鈥攍ower sandwich, upper pedestal, and vertical shells鈥攈ave been aligned for final welding and assembly.
