DOUBLE-MC Code: Modeling of Neutral Fluxes from Plasma

The plasmaphysical code is presented that makes it possible to simulate the energy distributions of atoms escaping from plasma of the toroidal facilities. The code includes calculations of the particle spatial distributions in the charge-exchange plasma target consisting of atoms and hydrogen-like i...

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Bibliographic Details
Published in:Plasma physics reports 2021, Vol.47 (1), p.18-27
Main Authors: Mironov, M. I., Chernyshev, F. V., Afanasyev, V. I., Melnik, A. D., Navolotsky, A. S., Nesenevich, V. G., Petrov, M. P., Petrov, S. Ya
Format: Article
Language:English
Subjects:
Analyzers
Atomic
Charge exchange
Fluxes
Molecular
Monte Carlo simulation
Neutral particles
Optical and Plasma Physics
Physics
Physics and Astronomy
Plasma
Plasma Diagnostics
Spatial distribution
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Summary:The plasmaphysical code is presented that makes it possible to simulate the energy distributions of atoms escaping from plasma of the toroidal facilities. The code includes calculations of the particle spatial distributions in the charge-exchange plasma target consisting of atoms and hydrogen-like impurity ions. The calculations of the charge-exchange target are performed in two ways: using the Monte Carlo method and solving the ionization balance equation in the coronal approximation. The code can be used to interpret the neutral particle analyzers (NPAs) data. In particular, with its help, the ion temperatures determined using the NPAs can be corrected. The code can be also used to estimate the atomic fluxes from plasma onto the first wall expected at the currently designed fusion facilities.
ISSN:1063-780X
1562-6938
DOI:10.1134/S1063780X21010104