Internal transport barrier in tokamak and helical plasmas
K Ida, T Fujita - Plasma Physics and Controlled Fusion, 2018 - iopscience.iop.org
The differences and similarities between the internal transport barriers (ITBs) of tokamak and
helical plasmas are reviewed. By comparing the characteristics of the ITBs in tokamak and …
helical plasmas are reviewed. By comparing the characteristics of the ITBs in tokamak and …
A sustained high-temperature fusion plasma regime facilitated by fast ions
Nuclear fusion is one of the most attractive alternatives to carbon-dependent energy
sources. Harnessing energy from nuclear fusion in a large reactor scale, however, still …
sources. Harnessing energy from nuclear fusion in a large reactor scale, however, still …
Overview of KSTAR research progress and future plans toward ITER and K-DEMO
A decade-long operation of the Korean Superconducting Tokamak Advanced Research
(KSTAR) has contributed significantly to the operation of superconducting tokamak devices …
(KSTAR) has contributed significantly to the operation of superconducting tokamak devices …
Integration of full divertor detachment with improved core confinement for tokamak fusion plasmas
Divertor detachment offers a promising solution to the challenge of plasma-wall interactions
for steady-state operation of fusion reactors. Here, we demonstrate the excellent …
for steady-state operation of fusion reactors. Here, we demonstrate the excellent …
Feedforward beta control in the KSTAR tokamak by deep reinforcement learning
In this work, we address a new feedforward control scheme for the normalized beta (β N) in
tokamak plasmas, using the deep reinforcement learning (RL) technique. The deep RL …
tokamak plasmas, using the deep reinforcement learning (RL) technique. The deep RL …
Development of integrated suite of codes and its validation on KSTAR
A newly developed integrated suite of codes coined as tokamak reactor integrated
automated suite for simulation and computation (TRIASSIC) is reported. The suite comprises …
automated suite for simulation and computation (TRIASSIC) is reported. The suite comprises …
Turbulence stabilization in tokamak plasmas with high population of fast ions
This letter provides a new physical insight into the fast ion effects on turbulence in plasmas
having a high fast ion fraction and peaked fast ion density profile. We elucidate turbulence …
having a high fast ion fraction and peaked fast ion density profile. We elucidate turbulence …
[HTML][HTML] Impact of divertor neutral pressure on confinement degradation of advanced tokamak scenarios at ASDEX Upgrade
Over previous campaigns, an intense experimental program on advanced tokamak (AT)
scenarios, has been carried out at the ASDEX Upgrade tokamak with full-tungsten wall …
scenarios, has been carried out at the ASDEX Upgrade tokamak with full-tungsten wall …
Development and application of a predictive model for advanced tokamak scenario design
R Schramm, A Bock, E Fable, J Stober… - Nuclear …, 2024 - iopscience.iop.org
Advanced tokamak (AT) scenarios applying additional heating during the current ramp
(early-heating) usually require many iterations if developed fully empirically. To reduce the …
(early-heating) usually require many iterations if developed fully empirically. To reduce the …
Experimental observation of the non-diffusive avalanche-like electron heat transport events and their dynamical interaction with the shear flow structure
We present experimental observations suggesting that non-diffusive avalanche-like
transport events are a prevalent and universal process in the electron heat transport of …
transport events are a prevalent and universal process in the electron heat transport of …