An overview of KSTAR results

JG Kwak, YK Oh, HL Yang, KR Park, YS Kim… - Nuclear …, 2013 - iopscience.iop.org
Since the first H-mode discharges in 2010, the duration of the H-mode state has been
extended and a significantly wider operational window of plasma parameters has been …

ELM mitigation by supersonic molecular beam injection: KSTAR and HL-2A experiments and theory

WW Xiao, PH Diamond, WC Kim, LH Yao… - Nuclear …, 2014 - iopscience.iop.org
We report recent experimental results from HL-2A and KSTAR on ELM mitigation by
supersonic molecular beam injection (SMBI). Cold particle deposition within the pedestal by …

Effect of coherent edge-localized mode on transition to high-performance hybrid scenarios in KSTAR

Y Lee, SK Kim, JW Kim, B Kim, MS Park… - Nuclear …, 2023 - iopscience.iop.org
This paper deals with one of the origins and trigger mechanisms responsible for the
observed performance enhancements in the hybrid scenario experiments conducted in …

Investigation of performance enhancement by balanced double-null shaping in KSTAR

B Kim, MS Park, YH Lee, SK Kim, CY Lee… - Nuclear …, 2023 - iopscience.iop.org
We report experimental observations on the effect of plasma boundary shaping towards
balanced double-null (DN) configuration on the plasma performance in KSTAR. The …

[HTML][HTML] Initial beam emission spectroscopy diagnostic system on HL-2A tokamak

R Ke, YF Wu, GR McKee, Z Yan, K Jaehnig… - Review of Scientific …, 2018 - pubs.aip.org
A beam emission spectroscopy system is being developed and deployed on the HL-2A
tokamak to measure local low wavenumber (k⊥ ρ i< 1) density fluctuations by measuring …

Sub-millisecond electron density profile measurement at the JET tokamak with the fast lithium beam emission spectroscopy system

DI Réfy, M Brix, R Gomes, B Tál, S Zoletnik… - Review of Scientific …, 2018 - pubs.aip.org
Sub-millisecond electron density profile measurement at the JET tokamak with the fast lithium
beam emission spectroscopy system | Review of Scientific Instruments | AIP Publishing Skip …

Three-dimensional modeling of beam emission spectroscopy measurements in fusion plasmas

D Guszejnov, GI Pokol, I Pusztai, D Refy… - Review of Scientific …, 2012 - pubs.aip.org
One of the main diagnostic tools for measuring electron density profiles and the
characteristics of long wavelength turbulent wave structures in fusion plasmas is beam …

Experimental determination of the correlation properties of plasma turbulence using 2D BES systems

MFJ Fox, AR Field, F Van Wyk, YC Ghim… - Plasma Physics and …, 2017 - iopscience.iop.org
A procedure is presented to map from the spatial correlation parameters of a turbulent
density field (the radial and binormal correlation lengths and wavenumbers, and the …

Validation of density pump-out by pedestal-foot magnetic island formation prior to ELM suppression in KSTAR and DIII-D tokamaks

QM Hu, JK Park, SM Yang, SK Kim, NC Logan… - Nuclear …, 2023 - iopscience.iop.org
TM1 nonlinear two-fluid simulations reveal key characteristics of density pump-out caused
by pedestal-foot island formation when applying resonant magnetic perturbation (RMP) …

Non-monotonic radial structures of fluctuating temperatures and densities associated with fishbone activities in KSTAR

W Lee, J Kim, S Joung, GJ Choi, J Kim, M Woo… - Physics of …, 2023 - pubs.aip.org
General characteristics of a fishbone mode in KSTAR are investigated. Fishbone activities
are observed with a Mirnov coil, an electron cyclotron emission radiometer (from the core to …