Theory of anomalous transport inH-mode plasmas
- 21 February 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 72 (8), 1200-1203
- https://doi.org/10.1103/physrevlett.72.1200
Abstract
A unified model theory of the anomalous transport of high temperature plasma, L mode and H mode, is developed. Self-sustained turbulence theory for the pressure driven mode is extended, incorporating the effect of inhomogeneous radial electric field (r) to cover two electrically bifurcated states. Strong reductions of heat and current diffusivities, viscosity, the fluctuation amplitude, and correlation length are predicted in nonlinearly sustained turbulence. A consistent radial width of (r) is obtained. A new stability window is also found.
Keywords
This publication has 25 references indexed in Scilit:
- Analysis of the current-diffusive ballooning modePhysics of Fluids B: Plasma Physics, 1993
- L-mode confinement model based on transport-MHD theory in tokamaksPlasma Physics and Controlled Fusion, 1993
- Rapid change of the neutral hydrogen energy distribution at theL/Htransition in the JFT-2M tokamakPhysical Review Letters, 1992
- Radial electric field effect on resistive interchange modesPhysics of Fluids B: Plasma Physics, 1991
- Ballooning instabilities in tokamaks with sheared toroidal flowsPhysics of Fluids B: Plasma Physics, 1991
- Spontaneous poloidal spin-up of tokamaks and the transition to theHmodePhysical Review Letters, 1991
- Edge electric-field profiles of H-mode plasmas in the JFT-2M tokamakPhysical Review Letters, 1990
- Role of edge electric field and poloidal rotation in theL-HtransitionPhysical Review Letters, 1990
- Model of the H-mode in tokamaksNuclear Fusion, 1989
- High mode number stability of an axisymmetric toroidal plasmaProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1979