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Beiträge aus der Plasmaphysik
Article . 2018 . Peer-reviewed
License: Wiley Online Library User Agreement
Data sources: Crossref
Beiträge aus der Plasmaphysik
Article
License: Wiley Online Library User Agreement
Data sources: Sygma
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Implementation of a consistent fluid‐neutral model in SOLPS‐ITER and benchmark with EIRENE

Authors: Blommaert, M.; Dekeyser, W.; Horsten, N.; Boerner, P.; Baelmans, M.;

Implementation of a consistent fluid‐neutral model in SOLPS‐ITER and benchmark with EIRENE

Abstract

In the quest for computationally affordable plasma edge transport simulations of reactor‐relevant plasmas, we consider fluid‐neutral models in this paper. To obtain good agreement with kinetic‐neutral models in charge‐exchange dominated regimes, model equations, transport coefficients, and boundary conditions have to be derived consistently from the kinetic description. In this paper, we describe a fully fluid plasma edge transport model that is aimed at reproducing the results of coupled finite‐volume/Monte Carlo runs with the kinetic Monte Carlo code EIRENE as closely as possible. To this end, we incorporate the rate coefficients from the AMJUEL reaction database, and boundary conditions are based on the reflection data from TRIM. The fluid‐neutral model is implemented into the SOLPS‐ITER code suite to compare the plasma sources with those of EIRENE on a simplified slab geometry. For a detached case, the results show a nearly perfect match between the fluid and kinetic model, with errors locally ranging up to a maximum discrepancy of 10% for particle and electron heat sources and 30% for parallel momentum sources. These very localized errors can be largely attributed to the discretization error, mainly near the ionization peak.

Country
Belgium
Keywords

Science & Technology, Physics, Fluids & Plasmas, Physics, Fluids & Plasmas, fluid-neutral model, Physical Sciences, 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics, plasma edge transport simulation, 5106 Nuclear and plasma physics

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
15
Top 10%
Top 10%
Top 10%
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bronze
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