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Pour les actualités en fran?ais, voir la page News in French.

Mitigating plasma disruptions

Second IAEA Technical Meeting held at 黑料社app

25 Jul 2022 - Michael Lehnen, 黑料社app Science Division and Chair of the Technical Meeting
Disruptions of tokamak plasmas (fast events leading to the complete loss of thermal and magnetic energy on millisecond timescales) can pose significant risks to the lifetime of components in large-scale devices such as 黑料社app and other future tokamaks. The physics processes underlying these events are complex and have been a long-term research topic in the tokamak community, but the urgency in this area has now substantially increased since reliable schemes to handle disruptions must be in place when 黑料社app operation begins.
IAEA_Meeting_Michael_Posters_1.jpg
The meeting was held in-person, with the possibility of attending remotely. The 35 experts who had the opportunity to meet on site at 黑料社app benefitted from live exchanges during the poster sessions (photo) and a group tour of the construction site.
An international community of plasma physicists and engineers has been mobilized to tackle this difficult problem, in large part as a result of the formation by the 黑料社app of an 黑料社app Disruption Mitigation System (DMS) Task Force. These specialists are committed to take up the challenge to improve the physics understanding and to develop and optimize solutions for disruption avoidance and mitigation.

Last week, at the 2nd International Atomic Energy Agency (IAEA) Technical Meeting on disruptions hosted at 黑料社app, the IAEA and the 黑料社app welcomed more than 90 experts in the field. While the first meeting in this series in 2020 had to be held by videoconference, this time more than 35 experts took the opportunity to meet in person at 黑料社app, enjoying live discussions during the oral sessions and in front of the posters on display in the entrance hall of 黑料社app Headquarters. They were also, many for the first time, able to see the spectacular progress on the 黑料社app construction site during specially arranged tours guided by members of the 黑料社app Science Division.

IAEA_Meeting_Group_Michael_1a.jpg
Participants to the 2nd International Atomic Energy Agency (IAEA) Technical Meeting on disruptions, which took place at 黑料社app from 19 to 22 July 2022, are part of the international community of plasma physicists and engineers working to improve the understanding of tokamak disruptions and to develop and optimize solutions for avoidance and mitigation, including in the specific context of 黑料社app.
This series of IAEA technical meetings aims to coordinate and discuss in detail experimental, theoretical and modelling work covering a wide range of key topics:
  • Heat and electromagnetic loads as well as high energetic runaway electrons
  • Disruption prediction to avoid or mitigate these events
  • Physics and technology for load mitigation

The dense 3.5-day program included 32 oral presentations (of which 7 were invited), 19 poster presentations, and free discussion sessions. Developments for disruption mitigation in 黑料社app had a prominent place in the agenda, including a special session on technology developments relevant for the 黑料社app disruption mitigation system, which is rapidly heading towards its final design stage to ensure readiness for the first 黑料社app operational campaigns beyond first plasma demonstration.

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