Nonlinear gyrokinetic predictions of SPARC burning plasma profiles enabled by surrogate modeling

P Rodriguez-Fernandez, NT Howard, J Candy - Nuclear Fusion, 2022 - iopscience.iop.org
Multi-channel, nonlinear predictions of core temperature and density profiles are performed
for the SPARC tokamak (Creely et al 2020 J. Plasma Phys. 86 865860502) accounting for …

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 …

Isotope physics of heat and particle transport with tritium in JET-ILW type-I ELMy H-mode plasmas

PA Schneider, C Angioni, F Auriemma… - Nuclear …, 2023 - iopscience.iop.org
As part the DTE2 campaign in the JET tokamak, we conducted a parameter scan in T and
DT complementing existing pulses in H and D. For the different main ion masses, type-I …

Developments towards an ELM-free pedestal radiative cooling scenario using noble gas seeding in ASDEX Upgrade

A Kallenbach, M Bernert, P David, MG Dunne… - Nuclear …, 2020 - iopscience.iop.org
Integrated edge-localized-mode (ELM)-free or small ELM scenarios for the demonstration
fusion power plant (DEMO) are investigated in ASDEX Upgrade using argon seeding for …

Comparing pedestal structure in JET-ILW H-mode plasmas with a model for stiff ETG turbulent heat transport

AR Field, B Chapman-Oplopoiou… - … of the Royal …, 2023 - royalsocietypublishing.org
A predictive model for the electron temperature profile of the H-mode pedestal is described,
and its results are compared with the pedestal structure of JET-ILW plasmas. The model is …

Analytical model for the combined effects of rotation and collisionality on neoclassical impurity transport

D Fajardo, C Angioni, FJ Casson… - Plasma Physics and …, 2023 - iopscience.iop.org
The influence of rotation, collisionality and trapped particle fraction on the magnitude and
direction of neoclassical impurity transport in tokamaks is analyzed using an extensive …

Progress from ASDEX Upgrade experiments in preparing the physics basis of ITER operation and DEMO scenario development

U Stroth, D Aguiam, E Alessi, C Angioni, N Arden… - Nuclear …, 2022 - iopscience.iop.org
An overview of recent results obtained at the tokamak ASDEX Upgrade (AUG) is given. A
work flow for predictive profile modelling of AUG discharges was established which is able …

Validation of a full-plasma integrated modeling approach on ASDEX Upgrade

T Luda, C Angioni, MG Dunne, E Fable… - Nuclear …, 2021 - iopscience.iop.org
In this work we present the extensive validation of a refined version of the integrated model
based on engineering parameters (IMEP) introduced in reference (Luda et al 2020 Nucl …

Confinement properties of L-mode plasmas in ASDEX Upgrade and full-radius predictions of the TGLF transport model

C Angioni, T Gamot, G Tardini, E Fable, T Luda… - Nuclear …, 2022 - iopscience.iop.org
The properties of L-mode confinement have been investigated with a set of dedicated
experiments in ASDEX Upgrade and with a related modelling activity with the transport code …

Time-dependent experimental identification of inter-ELM microtearing modes in the tokamak edge on DIII-D

AO Nelson, FM Laggner, A Diallo, D Smith… - Nuclear …, 2021 - iopscience.iop.org
In a series of discharges on the DIII-D tokamak, fast vertical plasma jogs are used to induce
current perturbations in the steep gradient region of the H-mode edge. These current …