Theory of electron energy confinement in tokamaks. Interim report

Technical Report · Sat Oct 01 04:00:00 EDT 1977

OSTI ID:6945935

Manheimer, W M; Antonsen, T Jr

A one dimensional thermal transport code has been employed to study electron energy confinement in tokamaks. At each time step of the computations each point in the profile is examined to determine whether it is linearly stable to either the dissipative trapped electron mode or the internal kink and tearing modes. If the point is determined to be unstable an anomalously large electron thermal conductivity is turned on in the vicinity of that point. The electron temperature profile is found to relax to a marginally stable state. Our code predicts the scaling of confinement time with density in Alcator, and the scaling of temperature half-width with q(a) in TFR. (Author)

• Research Organization: Naval Research Lab., Washington, DC (USA)
• OSTI ID: 6945935
• Report Number(s): AD-A-049505; NRL-MR-3551
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700101* -- Fusion Energy-- Plasma Research-- Confinement
Heating
& Production
CLOSED PLASMA DEVICES
CONFINEMENT
ELECTRON DENSITY
INSTABILITY
KINK INSTABILITY
ONE-DIMENSIONAL CALCULATIONS
PLASMA CONFINEMENT
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
TEARING INSTABILITY
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRANSPORT THEORY
TRAPPED-PARTICLE INSTABILITY