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 …
Gyrokinetic analysis of inter-edge localized mode transport mechanisms in a DIII-D pedestal
MR Halfmoon, DR Hatch, MT Kotschenreuther… - Physics of …, 2022 - pubs.aip.org
In this study, gyrokinetic simulations are used to study pedestal fluctuations for DIII-D
discharge 174082 using the GENE code. Nonlinear local simulations indicate that electron …
discharge 174082 using the GENE code. Nonlinear local simulations indicate that electron …
[HTML][HTML] From L-mode to the L–H transition, experiments on ASDEX upgrade and related gyrokinetic simulations
N Bonanomi, C Angioni, GD Conway, T Happel… - Physics of …, 2024 - pubs.aip.org
This work combines experimental observations from the ASDEX Upgrade tokamak with
related gyrokinetic simulations of the turbulence moving from L-mode toward, and beyond …
related gyrokinetic simulations of the turbulence moving from L-mode toward, and beyond …
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 …
Spectral transition of multiscale turbulence in the tokamak pedestal
The transition in the turbulence spectrum from ion-scale dominated regimes to multiscale
transport regimes that couple ion and electron scales is studied with gyrokinetic simulations …
transport regimes that couple ion and electron scales is studied with gyrokinetic simulations …
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 …
Gyrokinetic simulation of pedestal degradation correlated with enhanced magnetic turbulence in a DIII-D ELMy H-mode discharge
Gyrokinetic simulation of a dedicated pedestal density ramping-up discharge on DIII-D can
reproduce the enhancement of magnetic turbulence in the pedestal, which is identified to be …
reproduce the enhancement of magnetic turbulence in the pedestal, which is identified to be …
Intrinsic evolution of the decoupling and coupling of the plasma density and temperature in a cylindrical laboratory plasma device
CY Wang, WW Xiao, Y Ren, PH Diamond… - Physics of …, 2023 - pubs.aip.org
An intrinsic evolution in the decoupling–coupling–decoupling (DCD) of the electron density
and temperature responding to the magnetic field change is observed in a cylindrical …
and temperature responding to the magnetic field change is observed in a cylindrical …
A near X-point charge exchange neutral spectroscopy (CENS) system for DIII-D
A 16 channel spectroscopy system has been installed on DIII-D to provide information about
the energy distribution of the atomic neutrals using the Doppler shift and broadening of …
the energy distribution of the atomic neutrals using the Doppler shift and broadening of …
Details of the neutral energy distribution and ionization source using spectrally resolved Balmer-alpha measurements on DIII-D
Spectrally resolved passive Balmer-α (D-α, H-α) measurements from the DIII-D 16 channel
edge main-ion charge exchange recombination system confirm the presence of higher …
edge main-ion charge exchange recombination system confirm the presence of higher …