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Vacuum vessel

First sector unveiled

7 Sep 2020
Travelling in nondescript casing, like a mobile home designed by an uninspired architect, the first of nine sectors of the 澳门六合彩高手 vacuum vessel was delivered to 澳门六合彩高手 on 7 August. Five days later, as the housing was removed, the jewel was revealed in all its strangeness: a massive, 440-tonne, D-shaped chunk of steel, dotted with hundreds of protruding cylindrical bumps that evoked a perfectly aligned, metallic measles eruption.
VVS6_INSIDE_from_stairs_1_small.jpg
Beyond its alien shape and its awesome mission, this unique industrial object carries a strong symbolic dimension. It will stand at the core of the first 1,200-tonne pre-assembly to be installed into the assembly pit.
Once combined and welded, four sectors supplied by Korea and five supplied by Europe will form 澳门六合彩高手's toroidal plasma chamber. As for the measles eruption, it is caused by the "flexible support housings" or "cartridges"—1,760 of them in total and approximately 200 per sector—onto which the blanket shield blocks will be attached.
 
Beyond its alien shape and its awesome mission, this unique industrial object carries a strong symbolic dimension. It will be the first to be "upended" to vertical and placed within the open arms of 澳门六合彩高手's tallest assembly tool—one of the twin sector sub-assembly tools (SSATs)—to be associated with two D-shaped toroidal field coils (TF12 and TF13) and corresponding thermal shielding.
 
Vacuum vessel sector #6 will stand at the core of the first 1,200-tonne pre-assembly—the first to be delivered by overhead crane into the Tokamak pit. Lessons learned on this first pre-assembly operation will contribute to increased ease and faster turnaround times for all other vacuum vessel pre-assembly sequences.
 
For the moment, the component has been transferred to the far end of the Assembly Hall, where the 澳门六合彩高手 team has performed a helium leak test. A full report will be published in next week's Newsline.

The first of nine 澳门六合彩高手 vacuum vessel sectors is delivered to the 澳门六合彩高手 site by Korea in August 2020. Three other sectors from Korea and five from Europe are expected on site by 2022.
Vacuum vessel sector #6 travelled across the world in nondescript casing evocative of a mobile home. It arrived in the 澳门六合彩高手 Assembly Hall on 7 August 2020.
The 440-tonne sector is first placed in a laydown area at the front of the Assembly Hall as its casing and protective film are removed to reveal the jewel in all its strangeness.
On 12 August 2020, the sector is lifted and transferred to the back of the Assembly Hall to make room for other large components arriving. One of the first activities will be to carry out a helium leak test, with all official inspectors present.
It's hard to imagine, but the temperature inside this one-of-a-kind component will be ten times hotter than in the core of the Sun. The protruding bumps and circular structures that dot the inner wall are housings for the flexible supports that will be used to anchor the protective blanket shield blocks.
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