Modeling of carbon and tungsten transient dust influx in tokamak edge plasma
The paper presents computer simulation studies of burst injection of carbon and tungsten dust particles in DIII-D-like edge plasmas. The injection causes a large transient influx of the low- and high-Z impurities associated with the dust ablation in the plasmas. The dust transport and the effects of...
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| Veröffentlicht in: | Physics of plasmas 2023-05, Vol.30 (5) |
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| creator | Smirnov, R. D. Krasheninnikov, S. I. |
| description | The paper presents computer simulation studies of burst injection of carbon and tungsten dust particles in DIII-D-like edge plasmas. The injection causes a large transient influx of the low- and high-Z impurities associated with the dust ablation in the plasmas. The dust transport and the effects of the ablated impurities on the edge plasma dynamics in a modern mid-size tokamak geometry are investigated for low- and high-power plasma discharge conditions. The core plasma contamination with dust-ablated impurities and the factors affecting it are evaluated. |
| doi_str_mv | 10.1063/5.0144529 |
| format | Article |
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| ispartof | Physics of plasmas, 2023-05, Vol.30 (5) |
| issn | 1070-664X 1089-7674 |
| language | eng |
| recordid | cdi_osti_scitechconnect_1975724 |
| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY Ablation Carbon divertor Dust Impurities impurity plasma Plasma dynamics Plasma jets Plasma physics Plasmas (physics) tokamak Tokamak devices Tungsten |
| title | Modeling of carbon and tungsten transient dust influx in tokamak edge plasma |
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