Volumetric recombination in EMC3-EIRENE: Implementation and first application to the pre-fusion power operation phase in ITER
Abstract
An upgrade to the 3D plasma boundary model EMC3-EIRENE for detached divertor plasmas is introduced and evaluated. Stabilization of the iterative approximation of a self-consistent plasma–neutral gas solution is required at low divertor plasma temperatures, and this has been achieved by linearization of the energy loss term associated with the electron–neutral gas interaction. An implicit method for volumetric recombination has been implemented, which improves agreement with SOLPS-ITER results for the pre-fusion power operation phase in ITER. Resonant magnetic perturbations for control of edge localized modes are found to result in a partially detached divertor plasma with a significantly broader reduction of particle loads in the traditional strike zone, which is attributed to volumetric recombination. The additional non-axisymmetric far scrape-off layer strike points, on the other hand, remain attached at relatively high temperature so that volumetric recombination is not effective there.
- Authors:
-
[1];
[2];
[3];
[3];
[4];
[1]
- University of Wisconsin, Madison, WI (United States)
- Max-Planck-Institut für Plasmaphysik; Greifswald (Germany)
- International Thermonuclear Experimental Reactor (ITER) (France)
- Heinrich-Heine-University, Duesseldorg (Germany)
- Publication Date:
- Research Org.:
- Univ. of Wisconsin, Madison, WI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1978950
- Alternate Identifier(s):
- OSTI ID: 1823656
- Grant/Contract Number:
- SC0013911; SC0020284; SC0020357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 28; Journal Issue: 10; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Monte Carlo methods; plasma facing components; plasma properties and parameters; plasma temperature; Tokamaks
Citation Formats
Frerichs, H., Feng, Y., Bonnin, X., Pitts, R. A., Reiter, D., and Schmitz, O. Volumetric recombination in EMC3-EIRENE: Implementation and first application to the pre-fusion power operation phase in ITER. United States: N. p., 2021.
Web. doi:10.1063/5.0062248.
Frerichs, H., Feng, Y., Bonnin, X., Pitts, R. A., Reiter, D., & Schmitz, O. Volumetric recombination in EMC3-EIRENE: Implementation and first application to the pre-fusion power operation phase in ITER. United States. https://doi.org/10.1063/5.0062248
Frerichs, H., Feng, Y., Bonnin, X., Pitts, R. A., Reiter, D., and Schmitz, O. Tue .
"Volumetric recombination in EMC3-EIRENE: Implementation and first application to the pre-fusion power operation phase in ITER". United States. https://doi.org/10.1063/5.0062248. https://www.osti.gov/servlets/purl/1978950.
@article{osti_1978950,
title = {Volumetric recombination in EMC3-EIRENE: Implementation and first application to the pre-fusion power operation phase in ITER},
author = {Frerichs, H. and Feng, Y. and Bonnin, X. and Pitts, R. A. and Reiter, D. and Schmitz, O.},
abstractNote = {An upgrade to the 3D plasma boundary model EMC3-EIRENE for detached divertor plasmas is introduced and evaluated. Stabilization of the iterative approximation of a self-consistent plasma–neutral gas solution is required at low divertor plasma temperatures, and this has been achieved by linearization of the energy loss term associated with the electron–neutral gas interaction. An implicit method for volumetric recombination has been implemented, which improves agreement with SOLPS-ITER results for the pre-fusion power operation phase in ITER. Resonant magnetic perturbations for control of edge localized modes are found to result in a partially detached divertor plasma with a significantly broader reduction of particle loads in the traditional strike zone, which is attributed to volumetric recombination. The additional non-axisymmetric far scrape-off layer strike points, on the other hand, remain attached at relatively high temperature so that volumetric recombination is not effective there.},
doi = {10.1063/5.0062248},
journal = {Physics of Plasmas},
number = 10,
volume = 28,
place = {United States},
year = {Tue Oct 05 00:00:00 EDT 2021},
month = {Tue Oct 05 00:00:00 EDT 2021}
}
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