Thermal confinement and transport in spherical tokamaks: a review

SM Kaye, JW Connor, CM Roach - Plasma Physics and …, 2021 - iopscience.iop.org
In this paper, we review the thermal plasma confinement and transport properties observed
and predicted in low aspect ratio tokamaks, or spherical tokamaks (STs), which can depart …

Review of Advanced Implementation of Doppler Backscattering Method in Globus-M

A Yashin, V Bulanin, A Petrov, A Ponomarenko - Applied Sciences, 2021 - mdpi.com
Doppler backscattering (DBS) is a microwave diagnostics method typically used to study the
plasma rotation velocity. Apart from conventional techniques, more advanced forms of DBS …

Energy confinement in the spherical tokamak Globus-M2 with a toroidal magnetic field reaching 0.8 T

GS Kurskiev, VK Gusev, NV Sakharov, YV Petrov… - Nuclear …, 2021 - iopscience.iop.org
The work presents the results of the energy confinement study carried out on the compact
spherical tokamak Globus-M2 with a toroidal magnetic field as high as 0.8 T. A reproducible …

Overview of GLOBUS-M2 spherical tokamak results at the enhanced values of magnetic field and plasma current

YV Petrov, VK Gusev, NV Sakharov, VB Minaev… - Nuclear …, 2022 - iopscience.iop.org
The paper provides an overview of the results obtained on the spherical tokamak Globus-M2
in 2019–2020. The experiments were performed with the toroidal magnetic field up to 0.8 T …

The first observation of the hot ion mode at the Globus-M2 spherical tokamak

GS Kurskiev, IV Miroshnikov, NV Sakharov… - Nuclear …, 2022 - iopscience.iop.org
Hot ion mode was recently achieved at the Globus-M2 spherical tokamak when the toroidal
magnetic field was as high as 0.9 T and plasma current 0.35 MA. The injection of two neutral …

Ideal MHD limited electron temperature in spherical tokamaks

SC Jardin, NM Ferraro, W Guttenfelder, SM Kaye… - Physical Review Letters, 2022 - APS
It is well documented that the central electron temperature in the national spherical torus
experiment (NSTX) remains largely unchanged as the external heating power, and hence …

Hot ion mode in the Globus-M2 spherical tokamak

GS Kurskiev, NV Sakharov, VK Gusev, VB Minaev… - Plasma Physics …, 2023 - Springer
NBI-assisted plasma heating with one or two injectors of fast neutral atoms was studied at
the Globus-M2 spherical tokamak at the toroidal magnetic fields of 0.8–0.9 T and plasma …

The investigation of edge-localized modes on the Globus-M2 tokamak using Doppler backscattering

A Ponomarenko, V Gusev, E Kiselev, G Kurskiev… - Nuclear …, 2023 - iopscience.iop.org
The first results of investigation of edge localized modes (ELMs) in the Globus-M2 tokamak
using the Doppler backscattering method are presented in this paper. Specifically, ELMs that …

NSTX-U theory, modeling and analysis results

W Guttenfelder, DJ Battaglia, E Belova, N Bertelli… - Nuclear …, 2022 - iopscience.iop.org
The mission of the low aspect ratio spherical tokamak NSTX-U is to advance the physics
basis and technical solutions required for optimizing the configuration of next-step steady …

The model of synchronization between internal reconnections and edge-localized modes

VV Bulanin, GS Kurskiev, VV Solokha… - Plasma Physics and …, 2021 - iopscience.iop.org
A new model for interaction between the internal reconnections caused by sawtooth and the
edge-localized modes (ELM) was presented. The experimental evidence of the coupling …