Collisional-radiative modeling of tungsten at temperatures of 1200–2400 eV
Abstract
We discuss new collisional-radiative modeling calculations of tungsten at moderate temperatures of 1200 to 2400 eV. Such plasma conditions are relevant to ongoing experimental work at ASDEX Upgrade and are expected to be relevant for ITER. Our calculations are made using the Los Alamos National Laboratory (LANL) collisional-radiative modeling ATOMIC code. These calculations formed part of a submission to the recent NLTE-8 workshop that was held in November 2013. This series of workshops provides a forum for detailed comparison of plasma and spectral quantities from NLTE collisional-radiative modeling codes. We focus on the LANL ATOMIC calculations for tungsten that were submitted to the NLTE-8 workshop and discuss different models that were constructed to predict the tungsten emission. In particular, we discuss comparisons between semi-relativistic configuration-average and fully relativistic configuration-average calculations. As a result, we also present semi-relativistic calculations that include fine-structure detail, and discuss the difficult problem of ensuring completeness with respect to the number of configurations included in a CR calculation.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1208657
- Alternate Identifier(s):
- OSTI ID: 1234918
- Report Number(s):
- LA-UR-15-21591
Journal ID: ISSN 2218-2004; ATOMC5; PII: atoms3020076; TRN: US1600626
- Grant/Contract Number:
- AC5206NA25396; AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Atoms
- Additional Journal Information:
- Journal Volume: 3; Journal Issue: 2; Journal ID: ISSN 2218-2004
- Publisher:
- MDPI
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; tungsten, fusion plasma, collisional-radiative modeling; 74 ATOMIC AND MOLECULAR PHYSICS; tungsten; atomic physics; fusion plasma; collisional-radiative modeling
Citation Formats
Colgan, James, Fontes, Christopher, Zhang, Honglin, and Abdallah, Jr., Joseph. Collisional-radiative modeling of tungsten at temperatures of 1200–2400 eV. United States: N. p., 2015.
Web. doi:10.3390/atoms3020076.
Colgan, James, Fontes, Christopher, Zhang, Honglin, & Abdallah, Jr., Joseph. Collisional-radiative modeling of tungsten at temperatures of 1200–2400 eV. United States. https://doi.org/10.3390/atoms3020076
Colgan, James, Fontes, Christopher, Zhang, Honglin, and Abdallah, Jr., Joseph. Thu .
"Collisional-radiative modeling of tungsten at temperatures of 1200–2400 eV". United States. https://doi.org/10.3390/atoms3020076. https://www.osti.gov/servlets/purl/1208657.
@article{osti_1208657,
title = {Collisional-radiative modeling of tungsten at temperatures of 1200–2400 eV},
author = {Colgan, James and Fontes, Christopher and Zhang, Honglin and Abdallah, Jr., Joseph},
abstractNote = {We discuss new collisional-radiative modeling calculations of tungsten at moderate temperatures of 1200 to 2400 eV. Such plasma conditions are relevant to ongoing experimental work at ASDEX Upgrade and are expected to be relevant for ITER. Our calculations are made using the Los Alamos National Laboratory (LANL) collisional-radiative modeling ATOMIC code. These calculations formed part of a submission to the recent NLTE-8 workshop that was held in November 2013. This series of workshops provides a forum for detailed comparison of plasma and spectral quantities from NLTE collisional-radiative modeling codes. We focus on the LANL ATOMIC calculations for tungsten that were submitted to the NLTE-8 workshop and discuss different models that were constructed to predict the tungsten emission. In particular, we discuss comparisons between semi-relativistic configuration-average and fully relativistic configuration-average calculations. As a result, we also present semi-relativistic calculations that include fine-structure detail, and discuss the difficult problem of ensuring completeness with respect to the number of configurations included in a CR calculation.},
doi = {10.3390/atoms3020076},
journal = {Atoms},
number = 2,
volume = 3,
place = {United States},
year = {Thu Apr 30 00:00:00 EDT 2015},
month = {Thu Apr 30 00:00:00 EDT 2015}
}
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