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윤의성

Yoon, Eisung
Fusion and Plasma Application Research Lab.
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Physics of non-diffusive turbulent transport of momentum and the origins of spontaneous rotation in tokamaks

Author(s)
Diamond, P. H.McDevitt, C. J.Guercan, Oe. D.Hahm, T. S.Wang, W. X.Yoon, E. S.Holod, I.Lin, Z.Naulin, V.Singh, R.
Issued Date
2009-04
DOI
10.1088/0029-5515/49/4/045002
URI
https://scholarworks.unist.ac.kr/handle/201301/23950
Fulltext
http://iopscience.iop.org/article/10.1088/0029-5515/49/4/045002/meta
Citation
NUCLEAR FUSION, v.49, no.4, pp.045002
Abstract
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 critical to intrinsic rotation, namely the residual stress and the edge toroidal flow velocity pinch. Novel results include a systematic decomposition of the physical processes which drive intrinsic rotation, a calculation of the critical external torque necessary to hold the plasma stationary against the intrinsic residual stress, a simple model of net velocity scaling which recovers the salient features of the experimental trends and the elucidation of the impact of the particle flux on the net toroidal velocity pinch. Specific suggestions for future experiments are offered.
Publisher
INT ATOMIC ENERGY AGENCY
ISSN
0029-5515

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