Mesoscopic transport events and the breakdown of Fick's law for turbulent fluxes
TS Hahm, PH Diamond - Journal of the Korean Physical Society, 2018 - Springer
This paper presents a pedagogical review of the physics of mesoscopic transport events and
their role in the breakdown of Fick's Law for turbulent transport in magnetically confined …
their role in the breakdown of Fick's Law for turbulent transport in magnetically confined …
Computational challenges in magnetic-confinement fusion physics
Magnetic-fusion plasmas are complex self-organized systems with an extremely wide range
of spatial and temporal scales, from the electron-orbit scales (∼ 10− 11 s,∼ 10− 5 m) to the …
of spatial and temporal scales, from the electron-orbit scales (∼ 10− 11 s,∼ 10− 5 m) to the …
Nonlinear stabilization of tokamak microturbulence by fast ions
Nonlinear electromagnetic stabilization by suprathermal pressure gradients found in specific
regimes is shown to be a key factor in reducing tokamak microturbulence, augmenting …
regimes is shown to be a key factor in reducing tokamak microturbulence, augmenting …
ORB5: a global electromagnetic gyrokinetic code using the PIC approach in toroidal geometry
This paper presents the current state of the global gyrokinetic code Orb 5 as an update of the
previous reference (Jolliet et al., 2007). The Orb 5 code solves the electromagnetic Vlasov …
previous reference (Jolliet et al., 2007). The Orb 5 code solves the electromagnetic Vlasov …
A 5D gyrokinetic full-f global semi-Lagrangian code for flux-driven ion turbulence simulations
V Grandgirard, J Abiteboul, J Bigot… - Computer physics …, 2016 - Elsevier
This paper addresses non-linear gyrokinetic simulations of ion temperature gradient (ITG)
turbulence in tokamak plasmas. The electrostatic GYSELA code is one of the few …
turbulence in tokamak plasmas. The electrostatic GYSELA code is one of the few …
[PDF][PDF] Recognition of shapes by editing shock graphs.
This paper presents a novel recognition framework which is based on matching shock
graphs of 2D shape outlines, where the distance between two shapes is defined to be the …
graphs of 2D shape outlines, where the distance between two shapes is defined to be the …
Direct gyrokinetic comparison of pedestal transport in JET with carbon and ITER-like walls
DR Hatch, M Kotschenreuther, SM Mahajan… - Nuclear …, 2019 - iopscience.iop.org
This paper compares the gyrokinetic instabilities and transport in two representative JET
pedestals, one (pulse 78697) from the JET configuration with a carbon wall (C) and another …
pedestals, one (pulse 78697) from the JET configuration with a carbon wall (C) and another …
A gyrokinetic perspective on the JET-ILW pedestal
DR Hatch, M Kotschenreuther, S Mahajan… - Nuclear …, 2017 - iopscience.iop.org
JET has been unable to recover historical confinement levels when operating with an ITER-
like wall (ILW) due largely to the inaccessibility of high pedestal temperatures. Finding a …
like wall (ILW) due largely to the inaccessibility of high pedestal temperatures. Finding a …
Effect of the isotope mass on the turbulent transport at the edge of L-mode plasmas in ASDEX Upgrade and JET-ILW
N Bonanomi, C Angioni, PC Crandall, A Di Siena… - Nuclear …, 2019 - iopscience.iop.org
The nature of the turbulent transport in the edge region of ASDEX Upgrade and JET-ILW
deuterium (D) and hydrogen (H) L-mode plasmas is studied using local gyro-kinetic …
deuterium (D) and hydrogen (H) L-mode plasmas is studied using local gyro-kinetic …
A flux-matched gyrokinetic analysis of DIII-D L-mode turbulence
Previous nonlinear gyrokinetic simulations of specific DIII-D L-mode cases have been found
to significantly underpredict the ion heat transport and associated density and temperature …
to significantly underpredict the ion heat transport and associated density and temperature …