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Titolo:
Comparison of low confinement mode transport simulations using the mixed Bohm/gyro-Bohm and the Multi-Mode-95 transport model
Autore:
Onjun, T; Bateman, G; Kritz, AH; Hannum, D;
Indirizzi:
Lehigh Univ, Dept Phys, Bethlehem, PA 18015 USA Lehigh Univ Bethlehem PA USA 18015 iv, Dept Phys, Bethlehem, PA 18015 USA
Titolo Testata:
PHYSICS OF PLASMAS
fascicolo: 3, volume: 8, anno: 2001,
pagine: 975 - 985
SICI:
1070-664X(200103)8:3<975:COLCMT>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
ION HEAT-TRANSPORT; TOKAMAK; DISCHARGES; ELECTRON;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Onjun, T Lehigh Univ, Dept Phys, 16 Mem Dr E, Bethlehem, PA 18015 USA Lehigh Univ 16 Mem Dr E Bethlehem PA USA 18015 ehem, PA 18015 USA
Citazione:
T. Onjun et al., "Comparison of low confinement mode transport simulations using the mixed Bohm/gyro-Bohm and the Multi-Mode-95 transport model", PHYS PLASMA, 8(3), 2001, pp. 975-985

Abstract

Predictive transport simulations using the mixed Bohm/gyro-Bohm (JET) transport model [M. Erba , Plasma Phys. Controlled Fusion 39, 261 (1997)] are compared with simulations using the Multi-Mode-95 (MMM95) transport model [G. Bateman , Phys. Plasmas 5, 1793 (1998)]. Temperature and density profilesfrom these simulations are compared with experimental data for 13 low confinement mode (L-mode) discharges from the Doublet III-D Tokamak (DIII-D) [J. L. Luxon and L. G. Davis, Fusion Technol. 8, 441 (1985)] and the Tokamak Fusion Test Reactor (TFTR) [D. Grove and D. M. Meade, Nucl. Fusion 25, 1167(1985)]. The selected discharges include systematic scans over gyro-radius, plasma power, current, and density. It is found that simulations using the two models match experimental data equally well, in spite of the fact that the JET model has predominantly Bohm scaling (proportional to gyro-radius) while the MMM95 model has a purely gyro-Bohm scaling (proportional to gyro-radius squared). (C) 2001 American Institute of Physics.

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Documento generato il 11/07/20 alle ore 17:28:03