Elements of H-mode pedestal structure
RJ Groebner, S Saarelma - Plasma Physics and Controlled …, 2023 - iopscience.iop.org
This paper reviews current understanding of key physics elements that control the H-mode
pedestal structure, which exists at the boundary of magnetically confined plasmas. The …
pedestal structure, which exists at the boundary of magnetically confined plasmas. The …
Identifying the microtearing modes in the pedestal of DIII-D H-modes using gyrokinetic simulations
Recent evidence points toward the microtearing mode (MTM) as an important fluctuation in
the H-mode pedestal for anomalous electron heat transport. A study of the instabilities in the …
the H-mode pedestal for anomalous electron heat transport. A study of the instabilities in the …
[HTML][HTML] A survey of pedestal magnetic fluctuations using gyrokinetics and a global reduced model for microtearing stability
This article presents a global reduced model for slab-like microtearing modes (MTMs) in the
H-mode pedestal, which reproduces distinctive features of experimentally observed …
H-mode pedestal, which reproduces distinctive features of experimentally observed …
Micro-tearing mode dominated electron heat transport in DIII-D H-mode pedestal
A new, comprehensive set of evidence reveals that Micro-Tearing Modes (MTMs) dominate
pedestal electron heat transport in an H-mode experiment in the DIII-D tokamak. The …
pedestal electron heat transport in an H-mode experiment in the DIII-D tokamak. The …
Complex structure of turbulence across the ASDEX Upgrade pedestal
LA Leppin, T Görler, M Cavedon, MG Dunne… - Journal of Plasma …, 2023 - cambridge.org
The theoretical investigation of relevant turbulent transport mechanisms in H-mode
pedestals is a great scientific and numerical challenge. In this study, we address this …
pedestals is a great scientific and numerical challenge. In this study, we address this …
Gyrokinetic simulations compared with magnetic fluctuations diagnosed with a Faraday-effect radial interferometer-polarimeter in the DIII-D pedestal
Experimental data on electromagnetic fluctuations in DIII-D, made available by the Faraday-
effect radial interferometer-polarimeter (RIP) diagnostic Chen (2016 Rev. Sci. Instrum. 87 …
effect radial interferometer-polarimeter (RIP) diagnostic Chen (2016 Rev. Sci. Instrum. 87 …
Observation of pedestal quasi-coherent mode in Type-I ELMy H-mode of HL-2A tokamak
High confinement mode plasma experiments with Type-I edge localized modes (ELMs) have
been carried out on HL-2A tokamak. With neutral beam injection and lower hybrid current …
been carried out on HL-2A tokamak. With neutral beam injection and lower hybrid current …
[HTML][HTML] Global micro-tearing modes in the wide pedestal of an NSTX plasma
J Dominski, W Guttenfelder, D Hatch, T Goerler… - Physics of …, 2024 - pubs.aip.org
Global linear electromagnetic gyrokinetic simulations of micro-tearing modes (MTMs)
growing in the wide pedestal of the ELM-free NSTX discharge# 132 588 are reported. Two …
growing in the wide pedestal of the ELM-free NSTX discharge# 132 588 are reported. Two …
Turbulence link to L-mode, I-mode, and H-mode confinement in the DIII-D tokamak
J Chen, DL Brower, J McClenaghan, Z Yan… - Nuclear …, 2024 - iopscience.iop.org
Understanding the physics of low-confinement (L-), improved-confinement (I-), and high-
confinement (H-) mode is critical for fusion reactors. The finding herein reports observations …
confinement (H-) mode is critical for fusion reactors. The finding herein reports observations …
[HTML][HTML] Finite pedestal width formation from early LH transition stage with a strong edge safety-factor dependence through the resistive ballooning mode
JY Kim, HS Han - Physics of Plasmas, 2024 - pubs.aip.org
An approximate modeling of the low-to high-confinement (LH) transition dynamics is given
using the method, similar to that by Hinton et al.[Phys. Fluid B 5, 1281 (1993)], but …
using the method, similar to that by Hinton et al.[Phys. Fluid B 5, 1281 (1993)], but …