Microturbulence, Heat, and Particle Fluxes in JET and DIII-D ITB Plasmas with Highly Reversed Magnetic Shear
Author(s) -
R. Budny,
R. André,
C. Challis,
W. Dorland,
R. Dux,
D. R. Ernst,
C. Giroud,
C. Gowers,
C. M. Greenfield,
N. Hawkes,
G. W. Hammett,
W. A. Houlberg,
T. C. Luce,
Ma Makowski,
D. R. Mikkelsen,
M. Murakami,
R. Prentice,
G. M. Staebler,
B. Stratton,
M. R. Wade,
W.P. West
Publication year - 2003
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/814709
Subject(s) - microturbulence , tokamak , diii d , scaling , dimensionless quantity , plasma , jet (fluid) , physics , magnetic confinement fusion , shear (geology) , nuclear physics , computational physics , atomic physics , mechanics , materials science , geometry , mathematics , composite material
Practical tokamak reactors will need to maintain high ion temperature and nD approximately equal to nT in the core for long durations. These conditions will necessitate low energy transport, low impurity concentrations, and high bootstrap current. Large extrapolations from present experiments are needed to predict performance. A number of approaches are being used for these extrapolations including: (1) dimensionless scaling arguments, (2) empirical scaling, and (3) physics-based simulations of anomalous transport
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