Ray tracing analysis of LH fast waves in CCT
Conference
·
· AIP Conf. Proc.; (United States)
OSTI ID:6889347
Lower hybrid fast wave field profiles have been measured in the CCT tokamak. These field maps exhibit characteristics of large n/sub ///sub // wave components, with n/sub perpendicular//n/sub ///sub //approx. =1, and the wave energy appears to be heavily damped in the toroidal direction. We use a 3-D toroidal ray tracing code to study this wave behavior. The spectral filtering of the fast wave can be partially attributed to mode conversion to the slow wave for the low n/sub ///sub // components. In most parameter regimes, subsequent strong absorption of the converted slow wave via electron Landau and higher harmonic ion damping results.
- Research Organization:
- University of California, Los Angeles, CA 90024
- OSTI ID:
- 6889347
- Report Number(s):
- CONF-870570-
- Conference Information:
- Journal Name: AIP Conf. Proc.; (United States) Journal Volume: 159:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700101 -- Fusion Energy-- Plasma Research-- Confinement
Heating
& Production
700108* -- Fusion Energy-- Plasma Research-- Wave Phenomena
ABSORPTION
ANNULAR SPACE
CLOSED PLASMA DEVICES
CONFIGURATION
CONVERSION
DAMPING
DIAGRAMS
ENERGY ABSORPTION
ENERGY CONVERSION
HARMONICS
HEATING
HIGH-FREQUENCY HEATING
LANDAU DAMPING
LOWER HYBRID HEATING
OSCILLATIONS
PLASMA
PLASMA HEATING
PLASMA SIMULATION
PLASMA WAVES
SIMULATION
SPACE
THERMONUCLEAR DEVICES
THREE-DIMENSIONAL CALCULATIONS
TOKAMAK DEVICES
TOROIDAL CONFIGURATION
700101 -- Fusion Energy-- Plasma Research-- Confinement
Heating
& Production
700108* -- Fusion Energy-- Plasma Research-- Wave Phenomena
ABSORPTION
ANNULAR SPACE
CLOSED PLASMA DEVICES
CONFIGURATION
CONVERSION
DAMPING
DIAGRAMS
ENERGY ABSORPTION
ENERGY CONVERSION
HARMONICS
HEATING
HIGH-FREQUENCY HEATING
LANDAU DAMPING
LOWER HYBRID HEATING
OSCILLATIONS
PLASMA
PLASMA HEATING
PLASMA SIMULATION
PLASMA WAVES
SIMULATION
SPACE
THERMONUCLEAR DEVICES
THREE-DIMENSIONAL CALCULATIONS
TOKAMAK DEVICES
TOROIDAL CONFIGURATION