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Fokker-Planck Modelling of Edge Plasma Near the Neutralizer Plate in a Tokamak

✍ Scribed by Z. Abou-Assaleh; J. P. Matte; T. W. Johnston; R. Marchand

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
290 KB
Volume
32
Category
Article
ISSN
0005-8025

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✦ Synopsis

We have inodellrd the tr:msport of puticles :ind energy through a tokamak SOL near the neutrdizer plate.

The electron kinetichon lluid code FPI and a two-fluid code were employed for this study. Becnuse of the electron time scale. it wwld ~ake a very long time to rach strndy state with the kinetic code. We have therefore developed ii hyhrid technique. using hoth codes in ;dtern;ltion, to w c h :I full equilibrium compatible with electron kinetics.

When it is used in the stand-alone mode. the two-fluid code's results .are closest to FPI if a heat flux limiter f4.2 is used. The electron distribution function is very non-Maxwellian nenr the plate.

πŸ“œ SIMILAR VOLUMES

Kinetic Modelling of Plasma Near the Neu
Kinetic Modelling of Plasma Near the Neutralizer Plate in a Tokamak Divertor
✍ Z. Abou-Assaleh; R. Marchand; J. P. Matte; T. W. Johnston; K. J. Parbhakar πŸ“‚ Article πŸ“… 1990 πŸ› John Wiley and Sons 🌐 English βš– 232 KB πŸ‘ 1 views

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