On the evolution of profiles and fluctuations towards the L-mode density limit in ASDEX Upgrade

On the evolution of profiles and fluctuations towards the L-mode density limit in ASDEX Upgrade

The maximum achievable density in a tokamak is restricted by the so-called density limit. In this contribution, we observe that a MARFE precedes the final chain of events leading to disruption in ramp up L-mode discharges, resulting in strong power dissipation and plasma cooling, which likely makes...

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Main Authors: G. Grenfell, M. Griener, M. Bernert, J. Adamek, D. Brida, M. Faitsch, P. Manz, B.Ph. van Milligen, U. Stroth, the ASDEX Upgrade Team, the EUROfusion Tokamak Exploitation Team
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Nuclear Fusion
Subjects:
tokamak
density limit
plasma turbulence
MARFE
Langmuir probe
X-point radiator
Online Access:https://doi.org/10.1088/1741-4326/adeda1
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https://doi.org/10.1088/1741-4326/adeda1

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