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Titolo:
Momentum confinement in DIII-D shots with impurities
Autore:
Stacey, WM; Murakami, M;
Indirizzi:
Georgia Inst Technol, Fus Res Ctr, Atlanta, GA 30332 USA Georgia Inst Technol Atlanta GA USA 30332 Res Ctr, Atlanta, GA 30332 USA Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA Oak Ridge Natl Lab Oak Ridge TN USA 37831 tl Lab, Oak Ridge, TN 37831 USA
Titolo Testata:
PHYSICS OF PLASMAS
fascicolo: 10, volume: 8, anno: 2001,
pagine: 4450 - 4454
SICI:
1070-664X(200110)8:10<4450:MCIDSW>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
NEUTRAL-BEAM INJECTION; TOKAMAK PLASMA; DENSITY ASYMMETRIES; TOROIDAL ROTATION; POLOIDAL ROTATION; TRANSPORT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Stacey, WM Georgia Inst Technol, Fus Res Ctr, Atlanta, GA 30332 USA Georgia Inst Technol Atlanta GA USA 30332 tlanta, GA 30332 USA
Citazione:
W.M. Stacey e M. Murakami, "Momentum confinement in DIII-D shots with impurities", PHYS PLASMA, 8(10), 2001, pp. 4450-4454

Abstract

A neoclassical momentum transport model, consisting of gyroviscous and convective components, is applied to the analysis of momentum confinement in DIII-D [Luxon, Anderson, Batty , Plasma Physics and Controlled Nuclear Fusion Research 1986 (IAEA, Vienna, 1987), Vol. 1, p. 159] experiments with significant impurity content. Good agreement between predicted and measured central rotation speeds and momentum confinement times is obtained, for L-mode(low-mode) discharges with and without neon injection and for an ELMing (edge-localized modes) H-mode (high-mode) discharge. The observed improvementin momentum confinement time with increasing neon impurity content in the L-mode shots can be accounted for by a neoclassical inward convective momentum flux that increases with impurity content. (C) 2001 American Institute of Physics.

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Documento generato il 27/01/20 alle ore 01:31:04