Mechanisms for generating toroidal rotation in tokamaks without external momentum input
نویسندگان
چکیده
منابع مشابه
Mechanisms for generating toroidal rotation in tokamaks without external momentum input
momentum input W. M. Solomon, K. H. Burrell, A. M. Garofalo, S. M. Kaye, R. E. Bell, A. J. Cole, J. S. deGrassie, P. H. Diamond, T. S. Hahm, G. L. Jackson, M. J. Lanctot, C. C. Petty, H. Reimerdes, S. A. Sabbagh, E. J. Strait, T. Tala, and R. E. Waltz Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08543, USA General Atomics, P.O. Box 85608, San Diego, Californi...
متن کاملMechanisms for generating toroidal rotation in tokamaks without external momentum inputa..
momentum inputa... W. M. Solomon, K. H. Burrell, A. M. Garofalo, S. M. Kaye, R. E. Bell, A. J. Cole, J. S. deGrassie, P. H. Diamond, T. S. Hahm, G. L. Jackson, M. J. Lanctot, C. C. Petty, H. Reimerdes, S. A. Sabbagh, E. J. Strait, T. Tala, and R. E. Waltz Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08543, USA General Atomics, P.O. Box 85608, San Diego, Calif...
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Theories for the toroidal momentum confinement in tokamaks have been developed. It is shown that the logarithmic gradient of the toroidal flow is a linear combination of logarithmic gradients of the plasma pressure and the temperature in neoclassical quasilinear theory. The fluctuation-induced toroidal stress consists of a diffusion flux, a convective flux, and a residual flux. The effects of a...
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The time evolution of toroidal rotation velocity profiles has been measured in Alcator C-Mod [I. H. Hutchinson et al., Phys. Plasmas 1, 1511 (1994)] plasmas using a tangentially viewing x-ray spectrometer array. The strong co-current toroidal rotation in enhanced Dα (EDA) high confinement mode (H-mode) plasmas is observed to propagate in from the edge on a time scale similar to the energy confi...
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Simulations of JET H-mode and hybrid discharges are carried out using the PTRANSP predictive integrated modeling code to compute the time evolution of the plasma toroidal rotation frequency profile as well as the temperature and current density profiles. Momentum and thermal transport coefficients are computed using the recently advanced Weiland model together with a model for transport driven ...
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ژورنال
عنوان ژورنال: Physics of Plasmas
سال: 2010
ISSN: 1070-664X,1089-7674
DOI: 10.1063/1.3328521