Zonal Flow Dynamics and Size-scaling of Anomalous Transport
Nonlinear equations for the slow space-time evolution of the radial drift wave envelope and zonal flow amplitude have been self-consistently derived for a model nonuniform tokamak equilibrium within the coherent 4-wave drift wave-zonal flow modulation interaction model of Chen, Lin, and White [Phys. Plasmas 7 (2000) 3129]. Solutions clearly demonstrate turbulence spreading due to nonlinearly enhanced dispersiveness and, consequently, the device-size dependence of the saturated wave intensities and transport coefficients.
- Research Organization:
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC) (US)
- DOE Contract Number:
- AC02-76CH03073
- OSTI ID:
- 814729
- Report Number(s):
- PPPL-3847; TRN: US0304333
- Resource Relation:
- Other Information: PBD: 30 Jul 2003
- Country of Publication:
- United States
- Language:
- English
Similar Records
Zonal-Flow Dynamics and Size Scaling of Anomalous Transport
Theoretical Studies of Drift-Alfven and Energetic Particle Physics in Fusion Plasmas
Zonal flow dynamics and anomalous transport
Journal Article
·
Fri Feb 20 00:00:00 EST 2004
· Physical Review Letters
·
OSTI ID:814729
Theoretical Studies of Drift-Alfven and Energetic Particle Physics in Fusion Plasmas
Technical Report
·
Wed Jul 06 00:00:00 EDT 2005
·
OSTI ID:814729
Zonal flow dynamics and anomalous transport
Journal Article
·
Sun May 15 00:00:00 EDT 2005
· Physics of Plasmas
·
OSTI ID:814729