Electron root optimisation for stellarator reactor designs
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866929688398528512 |
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| author | Neto, E. Lascas Jorge, R. Beidler, C. D. Lion, J. |
| author_facet | Neto, E. Lascas Jorge, R. Beidler, C. D. Lion, J. |
| contents | In this work, we propose a method of optimising stellarator devices to favour the presence of an electron root solution of the radial electric field. Such a solution can help avoid heavy impurity accumulation, improve neoclassical thermal ion confinement and helium ash exhaust and possibly reduce turbulence. This study shows that an optimisation for such a root is possible in quasi-isodynamic stellarators. Examples are shown for both vacuum and finite plasma pressure configurations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_12058 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Electron root optimisation for stellarator reactor designs Neto, E. Lascas Jorge, R. Beidler, C. D. Lion, J. Plasma Physics In this work, we propose a method of optimising stellarator devices to favour the presence of an electron root solution of the radial electric field. Such a solution can help avoid heavy impurity accumulation, improve neoclassical thermal ion confinement and helium ash exhaust and possibly reduce turbulence. This study shows that an optimisation for such a root is possible in quasi-isodynamic stellarators. Examples are shown for both vacuum and finite plasma pressure configurations. |
| title | Electron root optimisation for stellarator reactor designs |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2405.12058 |