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Integrated sensing and communication in an optical fibre
The integration of high-speed optical communication and distributed sensing could bring intelligent functionalities to ubiquitous optical fibre...
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Edge localized modes suppression via edge E × B velocity shear induced by RF sheath of ion cyclotron resonance heating in EAST
The control of large edge localized modes (ELMs) is a critical issue for the successful operation of future burning plasma devices, such as the...
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Estimate of the Tritium Transport in an Advanced Reduced Activation Alloy by Using a Quantum Harmonic Approximation
An advanced reduced activation alloy (ARAA) is a reduced activation ferritic/martensitic (RAFM) steel under development in Korea. The first complete...
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Deuterium Permeation in an Er2O3 Thin Film Fabricated on a Type-316L Stainless-Steel Substrate
A metal-oxide film can be used as a hydrogen-isotope permeation barrier in a fuel circulation system for nuclear fusion. We fabricated an Er 2 O 3 thin...
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Application of the Transition Model of Edge Pedestal Properties in jϕ-α Space to a KSTAR-like Tokamak
We calculated the transition of edge pedestal properties in j ϕ -α space for a KSTAR-like plasma and compared the results with those from the...
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Dependence of Spatial Scale of Quasi-Coherent Mode on Collisionality in Electron Cyclotron Resonant Heating Assisted Low-Confinement Plasmas
Quasi-coherent mode (QCM) is a widely studied ion-gyroscale micro-instability with characteristics similar to those of trapped electron mode in...
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Fishbone Oscillations in the Experimental Advanced Superconductivity Tokamak
A fishbone oscillation was observed in the neutral beam injection plasma at Experimental Advanced Superconductivity Tokamak (EAST). This m = 1/n = 1 (
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Progress of the KSTAR Research Program Exploring the Advanced High Performance and Steady-State Plasma Operations
Korea Superconducting Tokamak Advanced Research (KSTAR) program is strongly focused on solving the scientific and technological issues in...
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Interpretation of the electron cyclotron emission signal from optically marginal plasmas
The interpretation of electron cyclotron emission (ECE) signal from the optically marginal region of magnetized plasma is presented. The density and...
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Hydrogen transport in type 316LN stainless steel in the elevated temperature range of 600 - 850 °C for nuclear hydrogen technology applications
A series of hydrogen permeation experiments was carried out using type 316LN stainless-steel (316LN SS) membranes in an elevated temperature range of...
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Development of a free-boundary tokamak equilibrium solver for advanced study of tokamak equilibria
A free-boundary Tokamak equilibrium solver (TES), developed for advanced study of tokamak equilibra, is described with two distinctive features. One...
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Long-lived impurity-ion snakes in the EAST ELM-free H-mode Sawtoothing plasma
Two types of long-lived impurity-ion snakes (LLSs) including the ideal-like kink mode which damps before the large sawtooth crash, termed...
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Observation of Zeeman splitting of spectral lines and measurements of magnetic field pitch angle in KSTAR
The Zeeman splitting of the Da (656.10 nm) and the H α (656.28 nm) spectral lines and the different impurities from deuterium/hydrogen discharges in...
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ECCD performance analysis of future KSTAR ECH systems for extended applications
The ability of the KSTAR 170 GHz electron cyclotron (EC) wave launcher to drive a localized current is analyzed by means of the TORAY-GA ray-tracing...
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Present status and future prospects of the JT-60SA project
The JT-60SA project has been implemented jointly by Europe and Japan since June 2007. After the disassembly of JT-60 from the torus hall had been...
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MHD instability fluctuation measurement on the HL-2A tokamak by using the HCN laser interferometer
The multichannel HCN laser interferometer has been routinely used to measure the electron density ( n e ) on the HL-2A tokamak for several years. In...
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The electron density profile measurement with a fast time-resolution in the KSTAR tokamak
A frequency-modulation reflectometer is installed in the KSTAR tokamak to measure the plasma density profile. The reflectometer operates in the...
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Motional Stark effect diagnostics for KSTAR
The motional Stark effect (MSE) diagnostic is used to measure the radial magnetic pitch-angle profile in neutral-beam-heated plasmas. The diagnostic...
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Transient snakes in an ohmic plasma associated with a minor disruption in the HT-7 tokamak
A transient burst (ms, an order of the fast-particle slowdown timescale) of a spontaneous snake is observed for the first time in a HT-7 heavy...
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Development of a plasma control system for steady-state operation on QUEST
A drift error correction technique with machine vision and a real-time equilibrium calculation code have been developed on the QUEST (Q-shu...