Results 1 to 10 of about 147 (108)

3D global impurity transport modeling with WallDYN and EMC3-Eirene

open access: yesNuclear Materials and Energy, 2018
The global impurity migration code WallDYN was coupled to the 3D scrape off layer plasma solver EMC3-Eirene in order to make WallDYN applicable to 3D, non-toroidally symmetric, geometries.
K. Schmid, T. Lunt
exaly   +5 more sources

Stabilization of EMC3-EIRENE for detachment conditions and comparison to SOLPS-ITER

open access: yesNuclear Materials and Energy, 2019
Numerical access to cold divertor conditions in tokamaks with EMC3-EIRENE has been proven to be challenging, but is now possible for the first time after a linearization of the electron energy sink term from interaction with neutral gas.
Detlev Reiter   +2 more
exaly   +5 more sources

Proposal of an alternative upper divertor in ASDEX Upgrade supported by EMC3-EIRENE simulations

open access: yesNuclear Materials and Energy, 2017
We discuss the benefits of installing a pair of in-vessel coils with currents |Ifx| ≲ 50 kAt in the upper divertor of ASDEX Upgrade (AUG) to study a series of ‘alternative’ divertor configurations, like the Snowflake (SF) and the X-divertor (XD), that ...
Marco Wischmeier   +2 more
exaly   +5 more sources

Impact of multifold magnetic structure on spectroscopy analysis in Heliotron J based on EMC3‐EIRENE simulation

open access: yesContributions To Plasma Physics
Abstract The distribution pattern of the connection length in the divertor region of Heliotron J was calculated by the field line tracing method. A multifold layer structure, characterized by the range of connection length, was revealed to interpret the response of the transport of the lower‐charged impurity ions to the divertor structure.
F. Cai   +18 more
exaly   +4 more sources

A novel method for treating MAR in EMC3-Eirene, and first applications to W7-X

open access: yesNuclear Fusion
This paper presents a novel ‘prediction-correction method’ for treating molecule-assisted recombination (MAR) in the three-dimensional (3D) boundary plasma transport code—EMC3-Eirene.
Detlev Reiter, Heinke Frerichs
exaly   +5 more sources

Study of detachment in future ASDEX Upgrade alternative divertor configurations by means of EMC3-EIRENE

open access: yesNuclear Materials and Energy, 2021
ASDEX Upgrade is preparing a hardware modification of its upper divertor in order to study alternative divertor configurations, like the X-divertor (XD) and the snowflake divertor (SF), that are discussed as a possible solution for the power exhaust ...
Marco Cavedon, Matthias Willensdorfer
exaly   +5 more sources

EMC3-EIRENE modelling of the toroidally asymmetric heat flux distribution with neon impurity injection on EAST

open access: yesNuclear Materials and Energy, 2021
The heat flux deposition on the divertor targets with neon impurity injection has been investigated for EAST tokamak with the help of three-dimensional (3D) edge transport code EMC3-EIRENE.
Gakushi Kawamura, S Y Dai, D Z Wang
exaly   +3 more sources

Improved Coulomb collision operator for kinetic ion transport with EMC3-EIRENE simulating Nitrogen seeding in medium density ITER L-mode scenario

open access: yesNuclear Materials and Energy
Previous simulations with the kinetic ion transport module of EMC3-EIRENE for Nitrogen seeding in a medium density ITER L-mode scenario showed that the currently simplified Coulomb collision model of EIRENE leads to a strongly overestimated confinement ...
Juri Romazanov   +2 more
exaly   +3 more sources

Transport simulations of linear plasma generators with the B2.5-Eirene and EMC3-Eirene codes

open access: yesJournal of Nuclear Materials, 2015
Linear plasma generators are cost effective facilities to simulate divertor plasma conditions of present and future fusion reactors. The codes B2.5-Eirene and EMC3-Eirene were extensively used for design studies of the planned Material Plasma Exposure eXperiment (MPEX).
Cormac Corr, Juergen Rapp, X Bonnin
exaly   +4 more sources

Numerical accuracy and convergence with EMC3-EIRENE [PDF]

open access: yesPlasma Science and Technology, 2020
The iterative Monte Carlo (MC) code EMC3-EIRENE is frequently used for plasma edge simulations in 3D applications. So far, a quantitative evaluation of the numerical quality of the code results remains an open issue. In this paper, we demonstrate a framework for the practical assessment of accuracy and convergence with EMC3-EIRENE. Moreover, we provide
Ghoos, Kristel   +4 more
openaire   +2 more sources

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