All Papers - UKAEA Scientific Publications

Showing 1 - 2 of 2 UKAEA Paper Results

UKAEA-CCFE-PR(25)2872023

"Observation of Alfven Eigenmodes ´ driven by off-axis neutral beam injection in the TCV tokamak"
- B Geiger
- A N Karpushov
- P Lauber
- S Sharapov
- M Dreval
- F Bagnato
- M Baquero-Ruiz
- A Dal Molin
- B P Duval
- M Garcia-Munoz
- C Marini
- M Nocente
- O Sauter
- L Stipani
- D Testa
- M Vallar
- the TCV
- EUROfusion MST1 Teams
Fast-particle driven Alfvén Eigenmodes have been observed in low-collisionality discharges with off-axis neutral beam injection (NBI), electron cyclotron resonance heating (ECRH) and a reduced toroidal magnetic field. During NBI and ECRH, toroidicity induced Alfvén Eigenmodes (TAEs) appear in frequency bands close to 200 kHz and energetic-part…
- Published
UKAEA-CCFE-PR(19)552019

"On the effect of total flux expansion in TCV detachment and its modeling with SOLPS-ITER"
In ITER and DEMO, achieving detachment at lower densities would allow to reduce the amount of impurity seeded and to improve confinement by running at lower separatrix densities. Analytic models predict that a increase of total flux expansion would allow such a reduction in upstream density at detachment. However, both experiments and modelling …
- Preprint
- Published

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