Pedestal Fueling Simulations with a Coupled Kinetic-kinetic Plasma-neutral Transport Code
Conference
·
· Journal of Nuclear Materials (May 2012)
OSTI ID:1056656
A Monte Carlo neutral transport routine, based on DEGAS2, has been coupled to the guiding center ion-electron-neutral neoclassical PIC code XGC0 to provide a realistic treatment of neutral atoms and molecules in the tokamak edge plasma. The DEGAS2 routine allows detailed atomic physics and plasma-material interaction processes to be incorporated into these simulations. The spatial pro le of the neutral particle source used in the DEGAS2 routine is determined from the uxes of XGC0 ions to the material surfaces. The kinetic-kinetic plasma-neutral transport capability is demonstrated with example pedestal fueling simulations.
- Research Organization:
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-ACO2-09CH11466
- OSTI ID:
- 1056656
- Report Number(s):
- PPPL-4804
- Journal Information:
- Journal of Nuclear Materials (May 2012), Conference: 20th International Conference on Plasma-Surface Interactions in Fusion Devices, Aachen, Germany (May 21-25, 2012)
- Publisher:
- Journal of Nuclear Materials (May 2012)
- Country of Publication:
- United States
- Language:
- English
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