Conference Papers

Showing 1 - 4 of 4 Conference Paper Results
2021
UKAEA-CCFE-CP(21)08
28th IAEA Fusion Energy Conference, Nice, France, 10-15th May 2021

The pedestal plays an important role in determining the confinement in tokamak H-mode plasmas. However, the steep pressure gradients in this transport barrier also lead to edge localized modes (ELMs) [1]. There is good understanding of the pedestal in type I ELM regimes [2], however, type I ELMs are known to damage plasma facing components and f…

Preprint
2019
UKAEA-CCFE-CP(19)35
46th European Physical Society Conference on Plasma Physics (EPS), Milan, 8-12 July 2019

In high-performance, ITER baseline-scenario pulses (3MA/2.7T) in JET-ILW with high levels (~ 32 MW) of heating power, typically ~ 20-40% of the input power is radiated, predominantly by W impurities, which are sputtered from the divertor targets and reach the confined plasma. Sustained ELMy H-mode operation at such high heating power in JET-ILW req…

Preprint Published
2019
UKAEA-CCFE-CP(19)13
45th European Physical Society Conference on Plasma Physics (EPS), Prague, 2-6 July 2018

Empirically-based power-balance calculations of the inter-ELM separatrix loss power are presented for JET pulses with both the carbon- (JET-C) and ITER-like (JET-ILW) walls, to facilitate comparisons with results of on-going, non-linear gyro-kinetic calculations of pedestal heat transport, e.g. as reported in [1]. These might be able to explain the…

Preprint