Plasma performance and operational space without ELMs in DIII-D
C Paz-Soldan, DIII-D Team - Plasma Physics and Controlled …, 2021 - iopscience.iop.org
Abstract A database of DIII-D plasmas without edge-localized modes (ELMs) compares the
operating space and plasma performance of stationary no-ELM regimes found in …
operating space and plasma performance of stationary no-ELM regimes found in …
Prospects of core–edge integrated no-ELM and small-ELM scenarios for future fusion devices
E Viezzer, ME Austin, M Bernert, KH Burrell… - Nuclear Materials and …, 2023 - Elsevier
One of our grand challenges towards fusion energy is the achievement of a high-
performance plasma core coupled to a boundary solution. The high confinement mode (H …
performance plasma core coupled to a boundary solution. The high confinement mode (H …
Broadening of the divertor heat flux profile in high confinement tokamak fusion plasmas with edge pedestals limited by turbulence in DIII-D
Multimachine empirical scaling predicts an extremely narrow heat exhaust layer in future
high magnetic field tokamaks, producing high power densities that require mitigation. In the …
high magnetic field tokamaks, producing high power densities that require mitigation. In the …
ECEI characterization of pedestal fluctuations in quiescent H-mode plasmas in DIII-D
Electron cyclotron emission imaging (ECEI) is employed to characterize the magneto
hydraulics dynamics (MHD) fluctuations at the quiescent H-mode pedestals in DIII-D …
hydraulics dynamics (MHD) fluctuations at the quiescent H-mode pedestals in DIII-D …
Real-time confinement regime detection in fusion plasmas with convolutional neural networks and high-bandwidth edge fluctuation measurements
A real-time detection of the plasma confinement regime can enable new advanced plasma
control capabilities for both the access to and sustainment of enhanced confinement …
control capabilities for both the access to and sustainment of enhanced confinement …
Dependence of ELM instability on separatrix density in EAST long-pulse H-mode plasmas
YF Wang, GZ Jia, GS Xu, R Chen, L Chen, N Yan… - Nuclear …, 2024 - iopscience.iop.org
The transition from small edge-localized modes (ELMs) to large ELMs has been repetitively
observed in minute-scale long-pulse high-confinement mode (H-mode) discharges during …
observed in minute-scale long-pulse high-confinement mode (H-mode) discharges during …
DIII-D's role as a national user facility in enabling the commercialization of fusion energy
The path to fusion in the United States requires partnership between public and private
sector. While the private sector provides the vigor to take some of the major steps necessary …
sector. While the private sector provides the vigor to take some of the major steps necessary …
Creation and sustainment of wide pedestal quiescent H-mode with zero net neutral beam torque
KH Burrell, X Chen, C Chrystal, DR Ernst… - Nuclear …, 2020 - iopscience.iop.org
Recent experiments on DIII-D have shown it is possible to create and sustain wide pedestal
quiescent H-mode (QH-mode) plasmas with zero net torque from neutral beam injection …
quiescent H-mode (QH-mode) plasmas with zero net torque from neutral beam injection …
How turbulence spreading improves power handling in quiescent high confinement fusion plasmas
Viable magnetic fusion devices necessitate combining good confinement with effective
power flux handling. A major concern for ITER, and devices beyond, is the divertor heat load …
power flux handling. A major concern for ITER, and devices beyond, is the divertor heat load …
Numerical modeling of pedestal stability and broadband turbulence of wide-pedestal QH-mode plasmas on DIII-D
The wide-pedestal quiescent high confinement mode discovered on DIII-D in recent years is
a stationary and quiescent H-mode (QH-mode) with the pedestal width exceeding EPED …
a stationary and quiescent H-mode (QH-mode) with the pedestal width exceeding EPED …