Observation of intermittent structures associated with the low-frequency turbulence in toroidal magnetized plasma
Journal Article
·
· Physics of Plasmas; (United States)
- Institute for Plasma Research, Bhat, Gandhinagar 382424 (India)
Two-dimensional structures in a plane perpendicular to the magnetic field, of the low-frequency turbulence in a toroidal plasma, have been studied. The probability distribution functions for the density and the potential fluctuations are found to deviate from the Gaussian distribution significantly indicating intermittency in the turbulence and formation and destruction of the coherent structures in the strongly turbulent state. The presence of such short-lived structures has been established, on a statistical basis, by means of conditional averaging of the fluctuation amplitudes.
- OSTI ID:
- 6692432
- Journal Information:
- Physics of Plasmas; (United States), Journal Name: Physics of Plasmas; (United States) Vol. 1:9; ISSN PHPAEN; ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700330 -- Plasma Kinetics
Transport
& Impurities-- (1992-)
700340* -- Plasma Waves
Oscillations
& Instabilities-- (1992-)
ANNULAR SPACE
CLOSED CONFIGURATIONS
CONFIGURATION
DISTRIBUTION FUNCTIONS
DRIFT INSTABILITY
ELECTRIC POTENTIAL
FLUCTUATIONS
FUNCTIONS
GAUSSIAN PROCESSES
INSTABILITY
MAGNETIC FIELD CONFIGURATIONS
PLASMA DENSITY
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMA MICROINSTABILITIES
PLASMA POTENTIAL
RAYLEIGH-TAYLOR INSTABILITY
SPACE
TOROIDAL CONFIGURATION
TURBULENCE
VARIATIONS
700330 -- Plasma Kinetics
Transport
& Impurities-- (1992-)
700340* -- Plasma Waves
Oscillations
& Instabilities-- (1992-)
ANNULAR SPACE
CLOSED CONFIGURATIONS
CONFIGURATION
DISTRIBUTION FUNCTIONS
DRIFT INSTABILITY
ELECTRIC POTENTIAL
FLUCTUATIONS
FUNCTIONS
GAUSSIAN PROCESSES
INSTABILITY
MAGNETIC FIELD CONFIGURATIONS
PLASMA DENSITY
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
PLASMA MICROINSTABILITIES
PLASMA POTENTIAL
RAYLEIGH-TAYLOR INSTABILITY
SPACE
TOROIDAL CONFIGURATION
TURBULENCE
VARIATIONS