Energy balance in plasma detachment
Divertor plasma detachment is analyzed from the viewpoint of energy and particle balance in the edge plasma. It is shown that volumetric recombination and impurity radiation losses are responsible for the transition to the detached plasma regime, whereas “momentum removal” plays although important,...
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2017-08-01
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| Series: | Nuclear Materials and Energy |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2352179116300655 |
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doaj-38f16cf8e16742139ac65351ac94fd2d2020-11-25T00:23:56ZengElsevierNuclear Materials and Energy2352-17912017-08-0112948952Energy balance in plasma detachmentA.A. Pshenov0A.S. Kukushkin1S.I. Krasheninnikov2National Research Center “Kurchatov Institute”, Akademika Kurchatova pl. 1, 123182 Moscow, Russian Federation; National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoe sh. 31, 115409 Moscow, Russian Federation; Corresponding author.National Research Center “Kurchatov Institute”, Akademika Kurchatova pl. 1, 123182 Moscow, Russian Federation; National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoe sh. 31, 115409 Moscow, Russian FederationNational Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoe sh. 31, 115409 Moscow, Russian Federation; University California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0411, USADivertor plasma detachment is analyzed from the viewpoint of energy and particle balance in the edge plasma. It is shown that volumetric recombination and impurity radiation losses are responsible for the transition to the detached plasma regime, whereas “momentum removal” plays although important, but auxiliary role providing conditions necessary for the first two to become efficient. A criterion of the local (on an isolated flux tube) detachment onset is studied for both pure and impurity-seeded plasmas. Keywords: Divertor, Detachment, Impurity, Recombinationhttp://www.sciencedirect.com/science/article/pii/S2352179116300655 |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
A.A. Pshenov A.S. Kukushkin S.I. Krasheninnikov |
| spellingShingle |
A.A. Pshenov A.S. Kukushkin S.I. Krasheninnikov Energy balance in plasma detachment Nuclear Materials and Energy |
| author_facet |
A.A. Pshenov A.S. Kukushkin S.I. Krasheninnikov |
| author_sort |
A.A. Pshenov |
| title |
Energy balance in plasma detachment |
| title_short |
Energy balance in plasma detachment |
| title_full |
Energy balance in plasma detachment |
| title_fullStr |
Energy balance in plasma detachment |
| title_full_unstemmed |
Energy balance in plasma detachment |
| title_sort |
energy balance in plasma detachment |
| publisher |
Elsevier |
| series |
Nuclear Materials and Energy |
| issn |
2352-1791 |
| publishDate |
2017-08-01 |
| description |
Divertor plasma detachment is analyzed from the viewpoint of energy and particle balance in the edge plasma. It is shown that volumetric recombination and impurity radiation losses are responsible for the transition to the detached plasma regime, whereas “momentum removal” plays although important, but auxiliary role providing conditions necessary for the first two to become efficient. A criterion of the local (on an isolated flux tube) detachment onset is studied for both pure and impurity-seeded plasmas. Keywords: Divertor, Detachment, Impurity, Recombination |
| url |
http://www.sciencedirect.com/science/article/pii/S2352179116300655 |
| work_keys_str_mv |
AT aapshenov energybalanceinplasmadetachment AT askukushkin energybalanceinplasmadetachment AT sikrasheninnikov energybalanceinplasmadetachment |
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1725355014467092480 |