Physics of non-diffusive turbulent transport of momentum and the origins of spontaneous rotation in tokamaks
Recent results in the theory of turbulent momentum transport and the origins of intrinsic
rotation are summarized. Special attention is focused on aspects of momentum transport …
rotation are summarized. Special attention is focused on aspects of momentum transport …
Overview of toroidal momentum transport
Toroidal momentum transport mechanisms are reviewed and put in a broader perspective.
The generation of a finite momentum flux is closely related to the breaking of symmetry …
The generation of a finite momentum flux is closely related to the breaking of symmetry …
Off-diagonal particle and toroidal momentum transport: a survey of experimental, theoretical and modelling aspects
In tokamaks, turbulent particle and toroidal momentum transport are both characterized by
the presence of off-diagonal contributions which play an essential role in establishing the …
the presence of off-diagonal contributions which play an essential role in establishing the …
Consequences of profile shearing on toroidal momentum transport
Turbulent transport of toroidal momentum is investigated in global linear gyrokinetic
simulations. The poloidal tilt of the global mode structure arising from the radial variation of …
simulations. The poloidal tilt of the global mode structure arising from the radial variation of …
Residual parallel Reynolds stress due to turbulence intensity gradient in tokamak plasmas
ÖD Gürcan, PH Diamond, P Hennequin… - Physics of …, 2010 - pubs.aip.org
A novel mechanism for driving residual stress in tokamak plasmas based on k∥ symmetry
breaking by the turbulence intensity gradient is proposed. The physics of this mechanism is …
breaking by the turbulence intensity gradient is proposed. The physics of this mechanism is …
Nonlinear flow generation by electrostatic turbulence in tokamaks
WX Wang, PH Diamond, TS Hahm, S Ethier… - Physics of …, 2010 - pubs.aip.org
Global gyrokinetic simulations have revealed an important nonlinear flow generation
process due to the residual stress produced by electrostatic turbulence of ion temperature …
process due to the residual stress produced by electrostatic turbulence of ion temperature …
Mechanisms for generating toroidal rotation in tokamaks without external momentum input
Recent experiments on DIII-D [JL Luxon, Nucl. Fusion 42, 614 (2002)] and National
Spherical Torus Experiment (NSTX)[M. Ono et al, Nucl. Fusion 40, 557 (2000)] have focused …
Spherical Torus Experiment (NSTX)[M. Ono et al, Nucl. Fusion 40, 557 (2000)] have focused …
Core momentum and particle transport studies in the ASDEX Upgrade tokamak
RM McDermott, C Angioni, R Dux… - Plasma Physics and …, 2011 - iopscience.iop.org
Core momentum and particle transport in ASDEX Upgrade (AUG) have been examined in a
wide variety of plasma discharges and via several different methods. Experiments were …
wide variety of plasma discharges and via several different methods. Experiments were …
Characterization of intrinsic rotation drive on DIII-D
WM Solomon, KH Burrell, JS DeGrassie… - Nuclear …, 2011 - iopscience.iop.org
Recent experiments on DIII-D have focused on elucidating the drive mechanisms for intrinsic
rotation in tokamak fusion plasmas. In H-mode plasmas, the effective torque at the edge (ρ> …
rotation in tokamak fusion plasmas. In H-mode plasmas, the effective torque at the edge (ρ> …
Transport-driven toroidal rotation in the tokamak edge
T Stoltzfus-Dueck - Physical Review Letters, 2012 - APS
The interaction of passing-ion drift orbits with spatially inhomogeneous but purely diffusive
radial transport is demonstrated to cause spontaneous toroidal spin-up in a simple model of …
radial transport is demonstrated to cause spontaneous toroidal spin-up in a simple model of …