Evolution of the plasma density in the Tuman-3 tokamak
Journal Article
·
· Sov. J. Plasma Phys. (Engl. Transl.); (United States)
OSTI ID:5504800
The sawtooth oscillations of the plasma density and the density decay upon the closure of the gas puffing valve in the Tuman-3 tokamak have been simulated mathematically. The existing density decay curves agree well with the curves calculated according to the Alcator scaling for the diffusion coefficient. The amplitude of the sawtooth oscillations yields a pinching velocity at the center of the plasma column which is close to the neoclassical value. In addition, an analytic solution has been found for the diffusion equation along with a kinetic equation for the distribution function of the neutrals in a model problem which describes the qualitative aspects of the particle balance in a tokamak.
- Research Organization:
- A. F. Ioffe Physicotechnical Institute, Academy of Sciences of the USSR, Leningrad
- OSTI ID:
- 5504800
- Journal Information:
- Sov. J. Plasma Phys. (Engl. Transl.); (United States), Vol. 13:7
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
TUMAN DEVICES
PLASMA DENSITY
CHARGE EXCHANGE
DIFFUSION
DISTRIBUTION FUNCTIONS
IMPURITIES
JOULE HEATING
LIMITERS
NEOCLASSICAL TRANSPORT THEORY
OSCILLATIONS
PINCH EFFECT
CLOSED PLASMA DEVICES
ELECTRIC HEATING
FUNCTIONS
HEATING
PLASMA HEATING
RESISTANCE HEATING
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRANSPORT THEORY
700101* - Fusion Energy- Plasma Research- Confinement
Heating
& Production
TUMAN DEVICES
PLASMA DENSITY
CHARGE EXCHANGE
DIFFUSION
DISTRIBUTION FUNCTIONS
IMPURITIES
JOULE HEATING
LIMITERS
NEOCLASSICAL TRANSPORT THEORY
OSCILLATIONS
PINCH EFFECT
CLOSED PLASMA DEVICES
ELECTRIC HEATING
FUNCTIONS
HEATING
PLASMA HEATING
RESISTANCE HEATING
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRANSPORT THEORY
700101* - Fusion Energy- Plasma Research- Confinement
Heating
& Production