Diagnostic study of impurity deposition in fusion device by calibration-free laser-induced breakdown spectroscopy

M Imran, Z Hu, F Ding, M Li, GN Luo, H Sattar… - … Acta Part B: Atomic …, 2022 - Elsevier
The quantification of impurities in fusion devices is important to improve understanding of all
impurity-related issues and their solutions. In this study, the deposition of the impurity layer …

[HTML][HTML] Recent advances in high-βN experiments and magnetohydrodynamic instabilities with hybrid scenarios in the HL-2A tokamak

W Chen, L Yu, M Xu, X Ji, Z Shi, X He, Z Li, Y Li… - Fundamental …, 2022 - Elsevier
Over the past several years, high-β N experiments have been carried out on HL-2A. The
high-β N is realized using double transport barriers (DTBs) with hybrid scenarios. A …

[HTML][HTML] High-βp scenario realized by the integration of internal and external transport barriers in the HL-2A tokamak

W Chen, LM Yu, M Xu, ZB Shi, XX He, DL Yu, XQ Ji… - Physics Letters A, 2022 - Elsevier
High-β p scenario addresses needs for an attractive tokamak fusion reactor design, where β
p is the normalized plasma poloidal beta. High-β p experiments have been performed …

EB shear suppression of turbulence and zonal flow relaxation in collisionless toroidal plasmas

TS Hahm, GJ Choi - Reviews of Modern Plasma Physics, 2024 - Springer
Theoretical progress in understanding E× B shear suppression of turbulence and zonal flow
relaxation in collisionless toroidal plasma is reviewed. Dependence on the magnetic field …

Effects of external kink and fishbone-like modes on energetic particle transport in tokamak plasmas

YQ Wang, GZ Hao, YP Zou, YQ Liu, W Chen… - Nuclear …, 2022 - iopscience.iop.org
Transport and loss of beam injected energetic particles (EPs) due to three-dimensional
perturbations, associated with the external kink (XK) instability and fishbone-like mode …

MCTrans++: A 0-D model for centrifugal mirrors

NR Schwartz, IG Abel, AB Hassam, M Kelly… - Journal of Plasma …, 2024 - cambridge.org
The centrifugal mirror confinement scheme incorporates supersonic rotation of a plasma into
a magnetic mirror device. This concept has been shown experimentally to drastically …

Impact of triangularity on edge peeling–ballooning modes in H-mode plasmas

Y Zhang, ZB Guo, CC Qin, XQ Xu, ZY Li, M Xu - Physics of Plasmas, 2024 - pubs.aip.org
Triangularity is an important shaping parameter in tokamak plasmas that affects the edge
plasma state. In this work, we utilize the BOUTþþ code to study the effect of positive and …

Diagnostic study of interface materials of co-deposition simulating impurity relevant to international thermonuclear experimental reactor by using calibration-free laser …

M Imran, Z Hu, F Ding, H Ding, M Iqbal… - … Acta Part B: Atomic …, 2022 - Elsevier
The quantitative analysis and depth profiling of a co-deposition simulating the impurity of the
international thermonuclear experimental reactor (ITER) has been performed by using laser …

DIII-D research advancing the physics basis for optimizing the tokamak approach to fusion energy

ME Fenstermacher, J Abbate, S Abe, T Abrams… - Nuclear …, 2022 - iopscience.iop.org
The mission of the DIII-D program is to provide a physics basis for the optimization of
tokamak operations for fusion energy production. This is done through a continuous process …

Analysis of the highest energy confinement in tokamaks based on thermodynamic approach

KA Razumova, NV Kasyanova… - Plasma Physics and …, 2022 - iopscience.iop.org
We analyze the highest energy confinement in tokamak plasmas based on thermodynamic
approach (plasma self-organization). The energy transport coefficients in the saturated …