Physics of non-diffusive turbulent transport of momentum and the origins of spontaneous rotation in tokamaks

PH Diamond, CJ McDevitt, ÖD Gürcan, TS Hahm… - Nuclear …, 2009 - iopscience.iop.org
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 …

Overview of toroidal momentum transport

AG Peeters, C Angioni, A Bortolon, Y Camenen… - Nuclear …, 2011 - iopscience.iop.org
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 …

Off-diagonal particle and toroidal momentum transport: a survey of experimental, theoretical and modelling aspects

C Angioni, Y Camenen, FJ Casson, E Fable… - Nuclear …, 2012 - iopscience.iop.org
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 …

Consequences of profile shearing on toroidal momentum transport

Y Camenen, Y Idomura, S Jolliet, AG Peeters - Nuclear Fusion, 2011 - iopscience.iop.org
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 …

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 …

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 …

Mechanisms for generating toroidal rotation in tokamaks without external momentum input

WM Solomon, KH Burrell, AM Garofalo, SM Kaye… - Physics of …, 2010 - pubs.aip.org
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 …

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 …

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> …

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 …