L–H power threshold studies in JET with Be/W and C wall
A comparison of the L–H power threshold (P thr) in JET with all carbon, JET-C, and
beryllium/tungsten wall (the ITER-like choice), JET-ILW, has been carried out in experiments …
beryllium/tungsten wall (the ITER-like choice), JET-ILW, has been carried out in experiments …
Investigation into the formation of the scrape-off layer density shoulder in JET ITER-like wall L-mode and H-mode plasmas
A Wynn, B Lipschultz, I Cziegler, J Harrison… - Nuclear …, 2018 - iopscience.iop.org
The low temperature boundary layer plasma (scrape-off layer or SOL) between the hot core
and the surrounding vessel determines the level of power loading, erosion and implantation …
and the surrounding vessel determines the level of power loading, erosion and implantation …
Bayesian inference of axisymmetric plasma equilibrium
S Kwak, J Svensson, O Ford, L Appel, Y Ghim… - Nuclear …, 2022 - iopscience.iop.org
We present a Bayesian method for inferring axisymmetric plasma equilibria from the
magnetic field and plasma pressure measurements. The method calculates all possible …
magnetic field and plasma pressure measurements. The method calculates all possible …
Ultrafast two-dimensional lithium beam emission spectroscopy diagnostic on the EAST tokamak
A diagnostic instrument is described for the Experimental Advanced Superconducting
Tokamak (EAST) for the measurement of the edge plasma electron density profile and …
Tokamak (EAST) for the measurement of the edge plasma electron density profile and …
Improved chopping of a lithium beam for plasma edge diagnostic at ASDEX Upgrade
M Willensdorfer, E Wolfrum, R Fischer… - Review of scientific …, 2012 - pubs.aip.org
The lithium beam diagnostic at ASDEX Upgrade routinely delivers electron density profiles
in the plasma edge by lithium beam impact excitation spectroscopy. An accurate …
in the plasma edge by lithium beam impact excitation spectroscopy. An accurate …
[HTML][HTML] Comparative H-mode density limit studies in JET and AUG
A Huber, M Bernert, S Brezinsek, AV Chankin… - Nuclear Materials and …, 2017 - Elsevier
Identification of the mechanisms for the H-mode density limit in machines with fully metallic
walls, and their scaling to future devices is essential to find for these machines the optimal …
walls, and their scaling to future devices is essential to find for these machines the optimal …
Recent improvements of the JET lithium beam diagnostic
A 60 kV neutral lithium diagnostic beam probes the edge plasma of JET for the
measurement of electron density profiles. This paper describes recent enhancements of the …
measurement of electron density profiles. This paper describes recent enhancements of the …
Advanced neutral alkali beam diagnostics for applications in fusion research
Diagnosing the density profile at the edge of high temperature fusion plasmas by an
accelerated lithium beam is a known technique since decades. By knowledge of the relevant …
accelerated lithium beam is a known technique since decades. By knowledge of the relevant …
Modelling of transitions between L-and H-mode in JET high plasma current plasmas and application to ITER scenarios including tungsten behaviour
F Koechl, A Loarte, V Parail, P Belo, M Brix… - Nuclear …, 2017 - iopscience.iop.org
The dynamics for the transition from L-mode to a stationary high Q DT H-mode regime in
ITER is expected to be qualitatively different to present experiments. Differences may be …
ITER is expected to be qualitatively different to present experiments. Differences may be …
Impact of localized gas injection on ICRF coupling and SOL parameters in JET-ILW H-mode plasmas
E Lerche, M Goniche, P Jacquet, D Van Eester… - Journal of Nuclear …, 2015 - Elsevier
Abstract Recent JET-ILW [1],[2] experiments reiterated the importance of tuning the plasma
fuelling in order to optimize ion cyclotron resonance frequency (ICRF) heating in high power …
fuelling in order to optimize ion cyclotron resonance frequency (ICRF) heating in high power …