Generalized banana-drift transport

Technical Report · Tue Oct 01 00:00:00 EDT 1985

DOI:https://doi.org/10.2172/5004242· OSTI ID:5004242

Mynick, H E

The theory of tokamak ripple transport in the banana-drift and ripple-plateau regimes is extended in a number of directions. The theory is valid for small values of the toroidal periodicity number n of the perturbation, as well as for the moderate values (n approx. 10 to 20) previously assumed. It is shown that low-n perturbations can produce much greater transport than the larger-n perturbations usually studied. In addition, the ripple perturbation is allowed arbitrary values of poloidal mode number m and frequency ..omega.., making it applicable to the transport induced by MHD modes. Bounce averaging is avoided, so the theory includes the contributions to transport from all harmonics of the bounce frequency, providing a continuous description of the transition from the banana drift to the ripple-plateau regime. The implications of the theory for toroidal rotation in tokamaks are considered.

• Research Organization: Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
• DOE Contract Number: AC02-76CH03073
• OSTI ID: 5004242
• Report Number(s): PPPL-2271; ON: DE86002535
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
BANANA REGIME
TOKAMAK DEVICES
MAGNETIC FIELD RIPPLES
MAGNETIC FIELD CONFIGURATIONS
ROTATION
ROTATIONAL TRANSFORM
TRANSPORT THEORY
CLOSED PLASMA DEVICES
MOTION
THERMONUCLEAR DEVICES
TRAPPING
700105* - Fusion Energy- Plasma Research- Plasma Kinetics-Theoretical- (-1987)