Effect of magnetic perturbations on turbulence-flow dynamics at the L-H transition on DIII-D
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Plasmas"
DOI: 10.1063/1.5145207
Abstract: Detailed 2D turbulence measurements from the DIII-D tokamak provide an explanation for how resonant magnetic perturbations (RMPs) raise the L-H power threshold $P_\textrm{LH}$ [P. Gohil et al., Nucl. Fusion 51, 103020 (2011)] in ITER-relevant, low… read more here.
Keywords: omega textrm; transition; turbulence; magnetic perturbations ... See more keywords
Breaking up-down symmetry with magnetic perturbations in tokamak plasmas: Increase of axisymmetric steady-state velocities
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Plasmas"
DOI: 10.1063/5.0016566
Abstract: Plasma rotation plays a crucial role on heat and particle confinement in tokamaks. To consider this issue, we numerically compute the axisymmetric steady states of the visco-resistive magnetohydrodynamic equations, including the non-linear ( v ·… read more here.
Keywords: axisymmetric steady; steady state; magnetic perturbations; breaking symmetry ... See more keywords
Runaway electron mitigation by applied magnetic perturbations in RFX-mod tokamak plasmas
Sign Up to like & getrecommendations! Published in 2017 at "Nuclear Fusion"
DOI: 10.1088/0029-5515/57/1/016014
Abstract: Thanks to its advanced system for the control of magnetohydrodynamic modes, the RFX-mod device run as a tokamak is particularly suited to the study of the possible impact on runaway electron (RE) de-confinement in response… read more here.
Keywords: plasmas; runaway electron; applied magnetic; magnetic perturbations ... See more keywords
Systematic simulation studies on the penetration of resonant magnetic perturbations in an Experimental Advanced Superconducting Tokamak
Sign Up to like & getrecommendations! Published in 2021 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/abd304
Abstract: The penetration properties of the n = 1 resonant magnetic perturbations (RMPs) with toroidal rotation are systematically studied by the upgraded three-dimensional toroidal magnetohydrodynamic code CLTx, through both linear and nonlinear simulations. It is found… read more here.
Keywords: simulation studies; mode; plasma; systematic simulation ... See more keywords
Heat flux pattern in detached L-modes and ELM mitigated H-modes with rotating magnetic perturbations in ASDEX Upgrade
Sign Up to like & getrecommendations! Published in 2017 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/aa78b9
Abstract: For the first time divertor heat and particle fluxes in high-recycling and detached deuterium L- and H-mode plasmas with rotating magnetic perturbations (MPs) have been measured systematically in the ASDEX Upgrade (AUG) tokamak. The capability… read more here.
Keywords: divertor; asdex upgrade; magnetic perturbations; heat ... See more keywords
Experimental conditions to suppress edge localised modes by magnetic perturbations in the ASDEX Upgrade tokamak
Sign Up to like & getrecommendations! Published in 2018 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/aace93
Abstract: Access conditions for full suppression of Edge Localised Modes (ELMs) by Magnetic Perturbations (MP) in low density high confinement mode (H-mode) plasmas are studied in the ASDEX Upgrade tokamak. The main empirical requirements for full… read more here.
Keywords: plasma; asdex upgrade; localised modes; edge localised ... See more keywords
Resonant mode effects on rotation braking induced by n = 1 resonant magnetic perturbations in the EAST tokamak
Sign Up to like & getrecommendations! Published in 2023 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/acd206
Abstract: The spectrum effects on toroidal rotation braking, induced by n = 1 resonant magnetic perturbations (RMPs) in the discharges with q95=4.1 and q95=5.1 , are studied in the EAST tokamak. Here n is the toroidal mode number,… read more here.
Keywords: rotation braking; east tokamak; magnetic perturbations; mode ... See more keywords
Improved Particle Confinement with Resonant Magnetic Perturbations in DIII-D Tokamak H-Mode Plasmas.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.205001
Abstract: Experiments on the DIII-D tokamak have identified a novel regime in which applied resonant magnetic perturbations (RMPs) increase the particle confinement and overall performance. This Letter details a robust range of counter-current rotation over which… read more here.
Keywords: resonant magnetic; diii tokamak; particle confinement; mode plasmas ... See more keywords