NSTX-U research advancing the physics of spherical tokamaks
JW Berkery, PO Adebayo-Ige, H Al Khawaldeh… - Nuclear …, 2024 - iopscience.iop.org
The objectives of NSTX-U research are to reinforce the advantages of STs while addressing
the challenges. To extend confinement physics of low-A, high beta plasmas to lower …
the challenges. To extend confinement physics of low-A, high beta plasmas to lower …
Kinetic-ballooning-limited pedestals in spherical tokamak plasmas
A theoretical model is presented that for the first time matches experimental measurements
of the pedestal width-height Diallo scaling in the low-aspect-ratio high-β tokamak NSTX …
of the pedestal width-height Diallo scaling in the low-aspect-ratio high-β tokamak NSTX …
Impact of triangularity on edge peeling–ballooning modes in H-mode plasmas
Y Zhang, ZB Guo, CC Qin, XQ Xu, ZY Li, M Xu - Physics of Plasmas, 2024 - pubs.aip.org
Triangularity is an important shaping parameter in tokamak plasmas that affects the edge
plasma state. In this work, we utilize the BOUTþþ code to study the effect of positive and …
plasma state. In this work, we utilize the BOUTþþ code to study the effect of positive and …
Chasing the multi-modal plasma response in MAST-U
S Munaretto, YQ Liu, DA Ryan, GZ Hao… - Plasma Physics and …, 2024 - iopscience.iop.org
Achieving edge localized modes (ELMs) suppression in spherical tokamaks by applying
resonant magnetic perturbations (RMPs) has proven challenging. The poloidal spectrum of …
resonant magnetic perturbations (RMPs) has proven challenging. The poloidal spectrum of …
[PDF][PDF] THE M3D-C1 CODE AS A TOOL FOR DESIGN VALIDATION AND WHOLE-DEVICE MODELING
NM Ferraro, SC Jardin, A Kleiner, C Liu, P SINHA… - 2023 - osti.gov
Recent developments, new applications, and future directions with the M3D-C1 code that
extend its use for tokamak and stellarator design validation are summarized. M3D-C1 is a …
extend its use for tokamak and stellarator design validation are summarized. M3D-C1 is a …
[PDF][PDF] A higher fidelity model for ELM onset in spherical tokamaks
A Kleiner, NM Ferraro, J Berkery, GP Canal… - APS Division of …, 2022 - aappsdpp.org
We present developments towards a higher fidelity model to consistently predict edge-
localized mode (ELM) onset in spherical torus (ST) configurations, such as NSTX/-U and …
localized mode (ELM) onset in spherical torus (ST) configurations, such as NSTX/-U and …
[PDF][PDF] An extended-MHD model for peeling-ballooning stability thresholds in spherical tokamaks
The formation of the edge pedestal in H-mode operation is connected with periodic sudden
relaxations of the edge pressure gradient, which are termed edge localized modes (ELMs) …
relaxations of the edge pressure gradient, which are termed edge localized modes (ELMs) …