Results 11 to 20 of about 43,434 (299)
Translational Oncology, 2021 Studies have shown that 9.4 Tesla (9.4 T) high-field magnetic resonance imaging (MRI) has obvious advantages in improving image resolution and capacity, but their safety issues need to be further validated before their clinical approval.
Xingxing Yang +7 more
doaj +1 more source
Turbulence-driven vortex-flow around a magnetic island
Nuclear Fusion, 2023 We predict a new state of plasma self-organization, in the presence of magnetic islands, namely turbulence-driven island vortex-flows, which are non-axisymmetric flows.
M. Leconte, Y.W. Cho
doaj +1 more source
Coalescence of Magnetic Islands [PDF]
Physical Review Letters, 1980 The process of coalescence of magnetic islands is investigated. For intermediate values of the resistivity eta, the reconnection rate M/sub s/ is independent of eta, although the reconnection process is basically different from a Petschek-type model. For very small values of eta the dynamics of the coalescence process is more complex with reconnection ...
Biskamp, D., Welter, H.
openaire +2 more sources
Interplay among turbulence, flow and impurities for sustaining magnetic island
Nuclear Fusion, 2023 As ubiquitous structures in magnetized fusion plasmas, magnetic islands (MIs) would short-circuit adjacent magnetic flux surfaces and result in a reduced pressure gradient and fluctuations inside the island; it is widely accepted that due to the ...
Xi Feng +29 more
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Distorted magnetic island formation during slowing down to mode locking in helical plasmas [PDF]
, 2017 We report the first observation of the formation of a magnetic island before the occurrence of mode locking in helical plasma. New analysis and observation techniques applied to the ECE signal and poloidal flow in LHD experiments yield the following ...
YOSHINUMA, Mikiro +16 more
core +2 more sources
Modeling of magnetic island formation in magnetic reconnection experiment [PDF]
, 1999 Formation of a magnetic island found in the Magnetic Reconnection Experiment (MRX) [M. Yamada, H. Ji, S. Hsu, et al., Phys. Plasmas 4, 1936 (1997)] is investigated by a magnetohydrodynamic (MHD) relaxation theory and a numerical simulation.
Sato, T. +9 more
core +7 more sources
Nuclear Fusion, 2023 TM1 nonlinear two-fluid simulations reveal key characteristics of density pump-out caused by pedestal-foot island formation when applying resonant magnetic perturbation (RMP).
Q.M. Hu +9 more
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IEEE Access, 2020 In general, the Magnetic Circuit (MC) is an effective and valuable tool for calculating the PM flux and predicting machine behavior during the no-load operation.
Mohammadreza Mostafavi Ghahfarokhi +3 more
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Self-generated vortex flows in a tokamak magnetic island with a background flow
Nuclear Fusion, 2023 We present a gyrokinetic theory of self-generated E × B vortex flows in a magnetic island in a collisionless tokamak plasma with a background vortex flow.
G.J. Choi
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Numerical Diagnostics of the Electrostatic Potential Perturbed by Magnetic Islands [PDF]
, 2010 Nonlinear dynamics of a magnetic island is simulated using a set of reduced two-fluid equations, and the excitation of the electric field in the vicinity of the magnetic island is observed.
Nobuyoshi OHYABU +11 more
core +2 more sources