A Comparison of Neutral Gas Models for Divertor Plasmas
β Scribed by M. E. Rensink; L. Lodestro; G. D. Porter; T. D. Rognlien; D. P. Coster
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 314 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0005-8025
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π SIMILAR VOLUMES
## Abstract The coupled dynamics and kinetics between gas and plasma in the sheath region in the divertor is studied by means of a oneβdimensional Particle in CellβDirect Simulation Monte Carlo (PICβDSMC) model. In particular, the electronβinduced vibrational excitation/relaxation of H2 molecules a
An electron kinetic code is used to simulate lonqitudinal transport and recycling near the neutralizer plate in a divertor plasma. In addition to the standard features, such as e-β’ and e-i Coulomb collisions, transport, ion motion, and a self-consistent eleCtric field, the code now accounts for ioni
The neutrals in a tokamak divertor in the so-called "detached" mode of operation may be in a kinetic regime (long mean free path) in some regions and in a fluid regime (short mean free path) elsewhere. For example, a kinetic description is necessary in the thin ionization front, while the cold neutr