Recent advances in EAST physics experiments in support of steady-state operation for ITER and CFETR

BN Wan, Y Liang, XZ Gong, N Xiang, GS Xu… - Nuclear …, 2019 - iopscience.iop.org
Since the last IAEA Fusion Energy Conference in 2016, the EAST physics experiments have
been developed further in support of high-performance steady-state operation for ITER and …

Integrated operation of steady-state long-pulse H-mode in experimental advanced superconducting tokamak

X Gong, AM Garofalo, J Huang, J Qian… - Nuclear …, 2019 - iopscience.iop.org
Abstract Recent Experimental Advanced Superconducting Tokamak (EAST) experiments
have successfully demonstrated a long-pulse steady-state scenario with improved plasma …

Advances in plasma–wall interaction control for H-mode operation over 100 s with ITER-like tungsten divertor on EAST

L Wang, HY Guo, F Ding, YW Yu, QP Yuan… - Nuclear …, 2019 - iopscience.iop.org
A total power injection up to 0.3 GJ has been achieved in EAST long pulse H-mode
operation of 101.2 s with an ITER-like water-cooled tungsten (W) mono-block divertor, which …

I-mode investigation on the experimental advanced superconducting tokamak

X Feng, AD Liu, C Zhou, ZX Liu, MY Wang… - Nuclear …, 2019 - iopscience.iop.org
By analyzing large quantities of discharges in the unfavorable ion drift direction, I-mode
operation has been confirmed in the Experimental Advanced Superconducting Tokamak …

A space-resolved extreme ultraviolet spectrometer for radial profile measurement of tungsten ions in the Experimental Advanced Superconducting Tokamak

L Zhang, S Morita, Z Wu, Z Xu, X Yang, Y Cheng… - Nuclear Instruments and …, 2019 - Elsevier
In order to study the radial transport of tungsten ions in long-pulse H-mode discharges, a
space-resolved spectrometer working at 30–520 Å has been newly developed to measure a …

Depth profiling of tungsten coating layer on CuCrZr alloy using LIBS approach

M Imran, LY Sun, P Liu, H Sattar, D Zhao… - Surface and …, 2019 - Wiley Online Library
Laser induced breakdown spectroscopy (LIBS) was employed to find the depth profile of W‐
coated CuCrZr alloy. Cathodic arc deposition method was applied to produce tungsten …

Characterization of multi-element impurity deposited on EAST divertor tile using laser-induced breakdown spectroscopy

M Imran, R Hai, LY Sun, H Sattar, ZL He, D Wu… - Journal of Nuclear …, 2019 - Elsevier
Laser-induced breakdown spectroscopy (LIBS) has been applied for the depth-resolved
identification of impurity deposited on EAST divertor tile. LIBS spectra show the presence of …

Experimental study on low recycling no-ELM high confinement mode in EAST

Y Ye, GS Xu, YF Wang, X Lin, HY Guo, R Chen… - Nuclear …, 2019 - iopscience.iop.org
A highly reproducible spontaneous non-inductive low recycling no-ELM regime has been
achieved in the EAST superconducting tokamak with the water-cooled tungsten divertor and …

Neoclassical impurity flux in presence of turbulent generated poloidal asymmetries and pressure anisotropy

P Donnel, X Garbet, Y Sarazin… - Plasma Physics and …, 2019 - iopscience.iop.org
Poloidal asymmetries of impurities are commonly observed experimentally. Density
asymmetry is already known to impact significantly the neoclassical prediction of impurity …

Quantitative analysis on tungsten spectra of W6+ to W45+ ions

S Morita, CF Dong, D Kato, Y Liu, L Zhang… - Journal of Physics …, 2019 - iopscience.iop.org
Tungsten ion densities are determined by measuring radial profiles of line emissions in
LHD. Zn-(W 44+) and Cu-like (W 45+) ion densities are determined from line emission at …