Electron diamagnetic effects on the resistive pressure-gradient-driven turbulence and poloidal flow generation
- 1 June 1991
- journal article
- conference paper
- Published by AIP Publishing in Physics of Fluids B: Plasma Physics
- Vol. 3 (6) , 1438-1444
- https://doi.org/10.1063/1.859709
Abstract
The nonlinear evolution of resistive pressure-gradient-driven turbulence with diamagnetic effects included generates a dc electric field (poloidal velocity) through the convective nonlinearity in the momentum balance equation. This radial electric field has a strong shear and contributes to the saturation of the turbulence; its effect on the saturation level of turbulence is more important than the change of the time and length scales of the modes by the direct ω* effects.Keywords
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