Simultaneous feedback control of plasma rotation and stored energy on NSTX-U using neoclassical toroidal viscosity and neutral beam injection.
Sign Up to like & getrecommendations! Published in 2017 at "Physics of plasmas"
DOI: 10.1063/1.4976853
Abstract: A model-based feedback system is presented enabling the simultaneous control of the stored energy through βn and the toroidal rotation profile of the plasma in National Spherical Torus eXperiment Upgrade device. Actuation is obtained using… read more here.
Keywords: control; feedback; neoclassical toroidal; toroidal viscosity ... See more keywords
Neoclassical toroidal viscosity torque in tokamak edge pedestal induced by external resonant magnetic perturbation
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DOI: 10.1063/1.4989449
Abstract: The characteristic profile and magnitude are predicted in theory for the neoclassical toroidal viscosity (NTV) torque induced by the plasma response to the resonant magnetic perturbation (RMP) in a tokamak with an edge pedestal. For… read more here.
Keywords: ntv torque; neoclassical toroidal; resonant magnetic; magnetic perturbation ... See more keywords
A Composite Neoclassical Toroidal Viscosity Model Incorporating Torques from both Axisymmetric and Nonaxisymmetric Tokamak Magnetic Fields
Sign Up to like & getrecommendations! Published in 2018 at "Fusion Science and Technology"
DOI: 10.1080/15361055.2018.1506626
Abstract: Abstract This paper combines the older neoclassical gyroviscous model for toroidal viscosity in the plasma core, which is based on an axisymmetric magnetic field and obtains reasonable agreement with experiment for toroidal rotation in the… read more here.
Keywords: magnetic fields; viscosity; model; neoclassical toroidal ... See more keywords
Effects of the applied magnetic fields with various toroidal phase differences on the neoclassical toroidal viscosity in JT-60SA
Sign Up to like & getrecommendations! Published in 2018 at "Nuclear Fusion"
DOI: 10.1088/1741-4326/aabaaa
Abstract: The integrated framework consisting of TOPICS, VMEC and FORTEC-3D, has been applied to provide an estimate of the neoclassical toroidal viscosity (NTV) produced by the applied magnetic perturbations (MPs). Six picture-frame error field correction coils… read more here.
Keywords: various toroidal; applied magnetic; neoclassical toroidal; toroidal phase ... See more keywords