Salient issues of edge physics pertaining to loss of confinement: A resistive MHD analysis
The progress that has been made during this fiscal year is significant in the area of tokamak edge plasma transport. Important contributions on the extension of the drift-rippling mode model ([approximately] [tau], [approximately]n, [approximately]T, [approximately][nu][sub [parallel]]) of edge turbulent transport. In particular, the research areas on which we have concentrated include the following topics: (1) The theoretical investigation of the radiatively enhanced transport due to the effects of impurity driven radiation instabilities has been expanded to include a situation with multiple impurities (such as carbon, C[sup 4+], and oxygen, O[sup 6+]); (2) In order to validate the use of the impurity radiation input from the tokamak bolometer experiments in our theoretical edge turbulent transport calculations, the analysis that is utilized to transform impurity brightness data to radiated power profiles has been checked for state population and Abel inversion correctness; (3) The drift-rippling model of edge turbulent transport has been extended to include ionization particle sources in addition to the impurity driven thermal instability drive; and (4) The detailed limiter and realistic edge geometric effects on the edge turbulent transport has been included in the drift-rippling model.
- Research Organization:
- Science Applications International Corp., San Diego, CA (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG03-90ER54071
- OSTI ID:
- 6915883
- Report Number(s):
- DOE/ER/54071-T4; ON: DE93006124
- Country of Publication:
- United States
- Language:
- English
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Salient issues of edge physics pertaining to loss of confinement: A resistive MHD analysis. FY91 technical progress report
Salient issues of edge physics pertaining to loss of confinement: A resistive MHD analysis
Related Subjects
TOKAMAK DEVICES
PLASMA SHEATH
DRIFT INSTABILITY
MATHEMATICAL MODELS
PLASMA CONFINEMENT
PROGRESS REPORT
TRANSPORT THEORY
CLOSED PLASMA DEVICES
CONFINEMENT
DOCUMENT TYPES
INSTABILITY
PLASMA INSTABILITY
PLASMA MICROINSTABILITIES
THERMONUCLEAR DEVICES
700370* - Plasma Fluid & MHD Properties- (1992-)