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  • Fusion world | Japan and Europe inaugurate largest tokamak in the world

    It was 6:00 a.m. in La Bergerie, a former sheep barn located a few kilometres from ITER in the vast Château de Cadarache domain, and that had been converted [...]

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  • Stakeholders | ITER Director-General meets Prime Minister Kishida

    In Japan, the prime minister lives and works at the Prime Minister's Official Residence in central Tokyo, just a few blocks from the National Diet Building and [...]

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  • Image of the week | Season wrapping

    Although the travel distance is short, barely exceeding one hundred metres, the transfer of vacuum vessel sector #8 from the Assembly Hall, where it is presentl [...]

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  • In memoriam | Bernard Pégourié, physicist and mountaineer

    The worldwide fusion community mourns Bernard Pégourié, of France's Institute for Magnetic Fusion Research (CEA-IRFM), who passed away on 25 November following [...]

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  • COP28 | Fusion is making a splash

    The 28th United Nations Climate Change Conference, COP28, opened on 30 November in Dubai's Expo City—a sprawling conference centre built two years ago for the W [...]

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Of Interest

See archived entries

Image of the week

Comfy cocoon

The protective cocoon that encases the cryostat's lower cylinder briefly acquired some curves, last week, as air was pumped into it to test for potential leaks.

An unusual viewpoint of the protective cocoon that encases the cryostat lower cylinder, as air is being pumped into the 2,300 m³ volume to detect potential leaks. (Click to view larger version...)
An unusual viewpoint of the protective cocoon that encases the cryostat lower cylinder, as air is being pumped into the 2,300 m³ volume to detect potential leaks.
Pressure inside the 2,300 m³ enclosure was raised to a few dozen pascals above atmospheric pressure, then lowered in the same proportion like in a breathing exercise.

The cocoon's synthetic skin passed the test, which guarantees that no leak or uncontrolled air intake, however small, will alter the quality of the atmosphere inside the structure.

In order to protect the lower cylinder from mould or corrosion, the air inside the cocoon will be kept circulating and maintained at a constant 38 percent humidity.


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