Stability optimization of energetic particle driven modes in nuclear fusion devices: the FAR3d gyro-fluid code
The development of reduced models provide efficient methods that can be used to perform
short term experimental data analysis or narrow down the parametric range of more …
short term experimental data analysis or narrow down the parametric range of more …
Runaway electron deconfinement in SPARC and DIII-D by a passive 3D coil
The operation of a 3D coil—passively driven by the current quench (CQ) loop voltage—for
the deconfinement of runaway electrons (REs) is modeled for disruption scenarios in the …
the deconfinement of runaway electrons (REs) is modeled for disruption scenarios in the …
Exploration via planning for information about the optimal trajectory
Many potential applications of reinforcement learning (RL) are stymied by the large numbers
of samples required to learn an effective policy. This is especially true when applying RL to …
of samples required to learn an effective policy. This is especially true when applying RL to …
Multimodal prediction of tearing instabilities in a tokamak
Tokamak is a torus-shaped nuclear fusion device that uses magnetic fields to confine fusion
fuel in the form of plasma. Tearing instability in plasma is a major issue in which the …
fuel in the form of plasma. Tearing instability in plasma is a major issue in which the …
Sanae-Inoue Itoh 1952–2019: a memorial note for a pioneer researcher of plasma bifurcation
This memorial note for Professor Sanae-I Itoh presents her specific achievements in physics
research alongside her wider record of accomplishment in the field of magnetically confined …
research alongside her wider record of accomplishment in the field of magnetically confined …
[HTML][HTML] MHD stability trends and improved performance of LHD inward-shifted configurations: The role of the neutral beam current drive and thermal plasma density
The aim of the present study is to analyze the effect of the neutral beam current drive
(NBCD), thermal plasma density, and NBI operational regime on the stability of pressure …
(NBCD), thermal plasma density, and NBI operational regime on the stability of pressure …
[HTML][HTML] Design and experimental demonstration of feedback adaptive RMP ELM controller toward complete long pulse ELM suppression on KSTAR
Operation of a fusion power plant requires robust edge localized mode (ELM) suppression
simultaneously with high plasma performance. In this paper, we describe a novel feedback …
simultaneously with high plasma performance. In this paper, we describe a novel feedback …
Gyrokinetic simulations compared with magnetic fluctuations diagnosed with a Faraday-effect radial interferometer-polarimeter in the DIII-D pedestal
Experimental data on electromagnetic fluctuations in DIII-D, made available by the Faraday-
effect radial interferometer-polarimeter (RIP) diagnostic Chen (2016 Rev. Sci. Instrum. 87 …
effect radial interferometer-polarimeter (RIP) diagnostic Chen (2016 Rev. Sci. Instrum. 87 …
Risk-Aware Framework Development for Disruption Prediction: Alcator C-Mod and DIII-D Survival Analysis
Survival regression models can achieve longer warning times at similar receiver operating
characteristic performance than previously investigated models. Survival regression models …
characteristic performance than previously investigated models. Survival regression models …
Neural networks for estimation of divertor conditions in DIII-D using C III imaging
MD Boyer, F Scotti, V Gajaraj - Nuclear Fusion, 2024 - iopscience.iop.org
Deep learning approaches have been applied to images of C III emission in the lower
divertor of DIII-D to develop models for estimating the level of detachment and magnetic …
divertor of DIII-D to develop models for estimating the level of detachment and magnetic …