Progress of the CFETR design

G Zhuang, GQ Li, J Li, YX Wan, Y Liu, XL Wang… - Nuclear …, 2019 - iopscience.iop.org
Abstract The Chinese Fusion Engineering Testing Reactor (CFETR), complementing the
ITER facility, is aiming to demonstrate fusion energy production up to 200 MW initially and to …

Robust avoidance of edge-localized modes alongside gradient formation in the negative triangularity tokamak edge

AO Nelson, L Schmitz, C Paz-Soldan, KE Thome… - Physical Review Letters, 2023 - APS
In a series of high performance diverted discharges on DIII-D, we demonstrate that strong
negative triangularity (NT) sha** robustly suppresses all edge-localized mode (ELM) …

Self-consistent core-pedestal transport simulations with neural network accelerated models

O Meneghini, SP Smith, PB Snyder, GM Staebler… - Nuclear …, 2017 - iopscience.iop.org
Fusion whole device modeling simulations require comprehensive models that are
simultaneously physically accurate, fast, robust, and predictive. In this paper we describe the …

NSTX-U research advancing the physics of spherical tokamaks

JW Berkery, PO Adebayo-Ige, H Al Khawaldeh… - Nuclear …, 2024 - iopscience.iop.org
The objectives of NSTX-U research are to reinforce the advantages of STs while addressing
the challenges. To extend confinement physics of low-A, high beta plasmas to lower …

A real-time machine learning-based disruption predictor in DIII-D

C Rea, KJ Montes, KG Erickson, RS Granetz… - Nuclear …, 2019 - iopscience.iop.org
A disruption prediction algorithm, called disruption prediction using random forests (DPRF),
has run in real-time in the DIII-D plasma control system (PCS) for more than 900 discharges …

Overview of interpretive modelling of fusion performance in JET DTE2 discharges with TRANSP

Ž Štancar, KK Kirov, F Auriemma, HT Kim… - Nuclear …, 2023 - iopscience.iop.org
In the paper we present an overview of interpretive modelling of a database of JET-ILW
2021 DT discharges using the TRANSP code. The main aim is to assess our capability of …

Predictions of core plasma performance for the SPARC tokamak

P Rodriguez-Fernandez, NT Howard… - Journal of Plasma …, 2020 - cambridge.org
SPARC is designed to be a high-field, medium-size tokamak aimed at achieving net energy
gain with ion cyclotron range-of-frequencies (ICRF) as its primary auxiliary heating …

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 …

Machine learning for disruption warnings on Alcator C-Mod, DIII-D, and EAST

KJ Montes, C Rea, RS Granetz, RA Tinguely… - Nuclear …, 2019 - iopscience.iop.org
This paper reports on disruption prediction using a shallow machine learning method known
as a random forest, trained on large databases containing only plasma parameters that are …

Prospects for H-mode inhibition in negative triangularity tokamak reactor plasmas

AO Nelson, C Paz-Soldan, S Saarelma - Nuclear Fusion, 2022 - iopscience.iop.org
Instability to high toroidal mode number (n) ballooning modes has been proposed as the
primary gradient-limiting mechanism for tokamak equilibria with negative triangularity …