A brief history of negative triangularity tokamak plasmas

A Marinoni, O Sauter, S Coda - Reviews of Modern Plasma Physics, 2021 - Springer
This review is devoted to tokamak plasmas with a cross sectional shape featuring negative
triangularity, which appear to hold great promise as a candidate reactor configuration owing …

Overview of initial negative triangularity plasma studies on the ASDEX Upgrade tokamak

T Happel, T Pütterich, D Told, M Dunne… - Nuclear …, 2022 - iopscience.iop.org
An overview of results of negative triangularity (NT) studies from the ASDEX Upgrade
tokamak (AUG) is given. Moderate values of the triangularity in the range of δ average≈ …

Diverted negative triangularity plasmas on DIII-D: the benefit of high confinement without the liability of an edge pedestal

A Marinoni, ME Austin, AW Hyatt, S Saarelma… - Nuclear …, 2021 - iopscience.iop.org
Diverted discharges at negative triangularity on the DIII-D tokamak sustain normalized
confinement and pressure levels typical of standard H-mode scenarios (H 98y2≃ 1, β N≃ 3) …

Enhanced confinement in diverted negative-triangularity L-mode plasmas in TCV

S Coda, A Merle, O Sauter, L Porte… - Plasma Physics and …, 2021 - iopscience.iop.org
The favorable confinement properties of negative-triangularity (NT) tokamak configurations
were discovered in the TCV tokamak in the late 1990s and were documented over the two …

Simultaneous access to high normalized density, current, pressure, and confinement in strongly-shaped diverted negative triangularity plasmas

C Paz-Soldan, C Chrystal, P Lunia, AO Nelson… - Nuclear …, 2024 - iopscience.iop.org
Strongly-shaped diverted negative triangularity (NT) plasmas in the DIII-D tokamak
demonstrate simultaneous access to high normalized density, current, pressure, and …

Prospects of core–edge integrated no-ELM and small-ELM scenarios for future fusion devices

E Viezzer, ME Austin, M Bernert, KH Burrell… - Nuclear Materials and …, 2023 - Elsevier
One of our grand challenges towards fusion energy is the achievement of a high-
performance plasma core coupled to a boundary solution. The high confinement mode (H …

Overview of results from the 2023 DIII-D negative triangularity campaign

KE Thome, ME Austin, A Hyatt, A Marinoni… - Plasma Physics and …, 2024 - iopscience.iop.org
Negative triangularity (NT) is a potentially transformative configuration for tokamak-based
fusion energy with its high-performance core, edge localized mode (ELM)-free edge, and …

Effect of triangularity on plasma turbulence and the SOL-width scaling in L-mode diverted tokamak configurations

K Lim, M Giacomin, P Ricci, A Coelho… - Plasma Physics and …, 2023 - iopscience.iop.org
The effect of triangularity on tokamak boundary plasma turbulence is investigated using
global, flux-driven, three-dimensional, two-fluid simulations. The simulations show that …

Radiative pulsed L-mode operation in ARC-class reactors

SJ Frank, CJ Perks, AO Nelson, T Qian, S Jin… - Nuclear …, 2022 - iopscience.iop.org
A new ARC-class, highly-radiative, pulsed, L-mode, burning plasma scenario is developed
and evaluated as a candidate for future tokamak reactors. Pulsed inductive operation …

Overview of the TCV tokamak experimental programme

H Reimerdes, M Agostini, E Alessi, S Alberti… - Nuclear …, 2022 - iopscience.iop.org
The tokamak à configuration variable (TCV) continues to leverage its unique shaping
capabilities, flexible heating systems and modern control system to address critical issues in …