Excitation of internal kink modes by trapped energetic beam ions
Journal Article
·
· Phys. Rev. Lett.; (United States)
Energetic trapped particles are shown to have a destabilizing effect on the internal kink mode in tokamaks. The growth rate is near the ideal magnetohydrodynamic value, but the frequency is comparable to the trapped-particle precession frequency. A model for the instability cycle gives stability properties, associated particle losses, and neutron emissivity consistent with the ''fishbone'' events observed in poloidal divertor experiments.
- Research Organization:
- Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08544
- DOE Contract Number:
- AC02-76CH03073
- OSTI ID:
- 6998530
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 52:13; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700107* -- Fusion Energy-- Plasma Research-- Instabilities
700108 -- Fusion Energy-- Plasma Research-- Wave Phenomena
AMPLITUDES
ASPECT RATIO
CHARGED PARTICLES
CLOSED PLASMA DEVICES
DATA
ENERGY-LEVEL TRANSITIONS
EXCITATION
FLUID MECHANICS
HYDRODYNAMICS
INFORMATION
INSTABILITY
INSTABILITY GROWTH RATES
IONS
KINK INSTABILITY
MAGNETOHYDRODYNAMICS
MECHANICS
NUMERICAL DATA
PLASMA
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
THEORETICAL DATA
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRAPS
700107* -- Fusion Energy-- Plasma Research-- Instabilities
700108 -- Fusion Energy-- Plasma Research-- Wave Phenomena
AMPLITUDES
ASPECT RATIO
CHARGED PARTICLES
CLOSED PLASMA DEVICES
DATA
ENERGY-LEVEL TRANSITIONS
EXCITATION
FLUID MECHANICS
HYDRODYNAMICS
INFORMATION
INSTABILITY
INSTABILITY GROWTH RATES
IONS
KINK INSTABILITY
MAGNETOHYDRODYNAMICS
MECHANICS
NUMERICAL DATA
PLASMA
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
THEORETICAL DATA
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRAPS