Overview of L-to H-mode transition experiments at ASDEX Upgrade
U Plank, RM McDermott, G Birkenmeier… - Plasma Physics and …, 2022 - iopscience.iop.org
This paper presents an overview of results from L–H transition experiments that were
performed at ASDEX Upgrade (AUG) with the aim of identifying the underlying mechanisms …
performed at ASDEX Upgrade (AUG) with the aim of identifying the underlying mechanisms …
How the birth and death of shear layers determine confinement evolution: from the L→ H transition to the density limit
PH Diamond, R Singh, T Long… - … of the Royal …, 2023 - royalsocietypublishing.org
Electric field profile structure—especially its shear—is a natural order parameter for the edge
plasma, and characterizes confinement regimes ranging from the H-mode (Wagner et al …
plasma, and characterizes confinement regimes ranging from the H-mode (Wagner et al …
First tungsten radiation studies in DIII-D's ITER baseline demonstration discharges
ITER Baseline Scenario plasmas were studied in DIII-D using krypton and xenon gases as a
proxy for the tungsten that will be present in ITER. These impurities were chosen for having …
proxy for the tungsten that will be present in ITER. These impurities were chosen for having …
The role of isotope mass on neutral fueling and density pedestal structure in the DIII-D tokamak
The role of isotope mass on neutral fueling and density pedestal structure in the DIII-D tokamak
- IOPscience Skip to content IOP Science home Accessibility Help Search Journals Journals …
- IOPscience Skip to content IOP Science home Accessibility Help Search Journals Journals …
Understanding the LH isotope effect at the DIII-D tokamak and advancements in synthetic turbulence diagnostics
It is determined that while heat flux differences between hydrogen and deuterium isotope
experiments result from natural differences in carbon impurity content at DIII-D, it is not the …
experiments result from natural differences in carbon impurity content at DIII-D, it is not the …
Effects of collisional ion orbit loss on tokamak radial electric field and toroidal rotation in an L-mode plasma
Ion orbit loss has been used to model the formation of a strong negative radial electric field E
r in the tokamak edge, as well as edge momentum transport and toroidal rotation. To …
r in the tokamak edge, as well as edge momentum transport and toroidal rotation. To …
Determining the access to H–mode in the ITER pre–fusion and fusion power operation phases at low plasma current with full–radius TGLF–SAT2 simulations of L …
C Angioni, J Citrin, A Loarte, AR Polevoi, SH Kim… - Nuclear …, 2023 - iopscience.iop.org
The pre–fusion power operation 1 phase of ITER is planned to be characterized by electron
cyclotron resonance heating only. Under the assumption that the access to H–mode is …
cyclotron resonance heating only. Under the assumption that the access to H–mode is …
On the origin of the DIII-D LH power threshold isotope effect
The increased low to high confinement mode (L to H-mode) power threshold $ P_\mathrm
{LH} $ in DIII-D low collisionality hydrogen plasmas (compared to deuterium) is shown to …
{LH} $ in DIII-D low collisionality hydrogen plasmas (compared to deuterium) is shown to …
Ripple-induced neoclassical toroidal viscous torque in Augmented-First Plasma operation phase in ITER
A systematic calculation is performed on the ripple-induced neoclassical toroidal viscous
(NTV) torque for new ITER scenarios designed for the Augmented-First Plasma (A-FP) …
(NTV) torque for new ITER scenarios designed for the Augmented-First Plasma (A-FP) …
LH transition studies on MAST: power threshold and heat flux analysis
L Howlett, I Cziegler, S Freethy, H Meyer - Nuclear Fusion, 2023 - iopscience.iop.org
Spherical tokamaks are known to differ from conventional tokamaks in a number of physics
areas, but our understanding is limited by a comparative lack of experimental data. A …
areas, but our understanding is limited by a comparative lack of experimental data. A …