[HTML][HTML] Recent progress on spherical torus research

M Ono, R Kaita - Physics of Plasmas, 2015 - pubs.aip.org
The spherical torus or spherical tokamak (ST) is a member of the tokamak family with its
aspect ratio (A= R 0/a) reduced to A∼ 1.5, well below the normal tokamak operating range …

Plasma response to lithium-coated plasma-facing components in the National Spherical Torus Experiment

MG Bell, HW Kugel, R Kaita, LE Zakharov… - Plasma Physics and …, 2009 - iopscience.iop.org
Abstract Experiments in the National Spherical Torus Experiment (NSTX) have shown
beneficial effects on the performance of divertor plasmas as a result of applying lithium …

Real-time capable modeling of neutral beam injection on NSTX-U using neural networks

MD Boyer, S Kaye, K Erickson - Nuclear Fusion, 2019 - iopscience.iop.org
A new model of heating, current drive, torque and other effects of neutral beam injection on
NSTX-U that uses neural networks has been developed. The model has been trained and …

Plasma regimes and research goals of JT-60SA towards ITER and DEMO

Y Kamada, P Barabaschi, S Ishida, S Ide… - Nuclear …, 2011 - iopscience.iop.org
The JT-60SA device has been designed as a highly shaped large superconducting tokamak
with a variety of plasma actuators (heating, current drive, momentum input, stability control …

Doppler backscattering for spherical tokamaks and measurement of high-k density fluctuation wavenumber spectrum in MAST

JC Hillesheim, NA Crocker, WA Peebles… - Nuclear …, 2015 - iopscience.iop.org
Abstract The high-k ($7\lesssim {{k} _ {\bot}}{{\rho} _ {i}}\lesssim 11$) wavenumber spectrum
of density fluctuations has been measured for the first time in MAST (Lloyd et al 2003 Nucl …

Predictive modeling of a lithium vapor box divertor in NSTX-U using SOLPS-ITER

ED Emdee, RJ Goldston, JD Lore, X Zhang - Nuclear Materials and Energy, 2021 - Elsevier
The unmitigated heat flux in attached operation of a fusion power plant is predicted to be
destructive to any solid divertor surface. Detachment, whereby the plasma pressure drops …

Exploration of the equilibrium operating space for NSTX-Upgrade

SP Gerhardt, R Andre, JE Menard - Nuclear Fusion, 2012 - iopscience.iop.org
This paper explores a range of high-performance equilibrium scenarios achievable with
neutral beam heating in the NSTX-Upgrade device (Menard JE 2012 Nucl. Fusion 52 …

Magnetic stochasticity in magnetically confined fusion plasmas

S Abdullaev - Springer Series on Atomic, Optical, and Plasma …, 2014 - Springer
The magnetic confinement concept of thermonuclear plasma is one of the areas of
controlled fusion research develo** in the past 50 years in a quest for clean and unlimited …

Recent progress towards an advanced spherical torus operating point in NSTX

SP Gerhardt, DA Gates, SM Kaye, R Maingi… - Nuclear …, 2011 - iopscience.iop.org
Progress in the development of integrated advanced ST plasma scenarios in NSTX (Ono et
al 2000 Nucl. Fusion 40 557) is reported. Recent high-performance plasmas in NSTX …

Modular fusion power plant

VA Chuyanov, MP Gryaznevich - Fusion engineering and design, 2017 - Elsevier
The mainstream approach to the fusion power, following the JET/JT60-SA− ITER− DEMO
route, assumes increase in the size and development of new physics and technologies at …