Comparison of two resistive ballooning mode models in transport simulations

Journal Article · Thu Feb 01 04:00:00 EST 1996 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.871883· OSTI ID:282058

Kinsey, J E; Bateman, G; Kritz, A H; Redd, A ^[1]

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1. Physics Department, 16 Memorial Dr. East, Lehigh University, Bethlehem, Pennsylvania 18015 (United States)

Predictive transport simulations of the temperature and density profiles have been carried out for Tokamak Fusion Test Reactor (TFTR) [K. Young {ital et} {ital al}., Plasma Phys. Controlled Fusion {bold 26}, 11 (1984)] current, density, and heating power scans. Two competing resistive ballooning mode theories are considered in order to examine their intrinsic magnetic-q dependence. The theoretically derived transport model employed in this study includes drift wave contributions from the Weiland theory of trapped electron and ion temperature gradient modes, the Kwon{endash}Biglari{endash}Diamond neoclassical magnetohydrodynamic (MHD) theory, the Tang{endash}Rewoldt kinetic ballooning mode theory, and either the previously used Carreras{endash}Diamond or the recently developed Guzdar{endash}Drake resistive ballooning mode theories. It is found that the Guzdar{endash}Drake theory provides the correct scaling with plasma current while maintaining a scaling with density and auxiliary heating power that is consistent with experimental data from TFTR low confinement (L-mode) plasmas. A statistical analysis of the profile results for the current scan is included to give quantitative measures of how well simulations that include either the Guzdar{endash}Drake or the Carreras{endash}Diamond theory compare with the experimental data. {copyright} {ital 1996 American Institute of Physics.}

• Research Organization: Princeton Plasma Physics Laboratory
• DOE Contract Number: AC02-76CH03073; FG02-92ER54141
• OSTI ID: 282058
• Journal Information: Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 2 Vol. 3; ISSN PHPAEN; ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
BALLOONING INSTABILITY
DRIFT INSTABILITY
PLASMA CONFINEMENT
PLASMA DENSITY
PLASMA SIMULATION
SCALING LAWS
TEMPERATURE GRADIENTS
TFTR TOKAMAK