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  Magnetic topology of a candidate NCSX plasma boundary configuration

Koniges, A. E., Grossman, A., Fenstermacher, M., Kisslinger, J., Mioduszewski, P., Rognlien, T., et al. (2003). Magnetic topology of a candidate NCSX plasma boundary configuration. Nuclear Fusion, 43, 107-118. doi:10.1088/0029-5515/43/2/304.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-3C7B-E Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-3C7C-C
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Koniges, A. E.1, Autor
Grossman, A.1, Autor
Fenstermacher, M.1, Autor
Kisslinger, J.2, Autor           
Mioduszewski, P.1, Autor
Rognlien, T.3, Autor
Strumberger, E.4, 5, Autor           
Umansky, M.1, Autor
Affiliations:
1Lawrence Livermore National Laboratory, Livermore, CA 94550, USA; University of California, San Diego, La Jolla, CA, USA; Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA, ou_persistent22              
2Experimental Plasma Physics 3 (E3), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856291              
3Max Planck Society, ou_persistent13              
4Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856309              
5Relativistic Plasmas, Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856330              

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 Zusammenfassung: A candidate magnetic topology of the plasma boundary of the proposed compact stellarator national compact stellarator experiment (NCSX) is investigated using field-line tracing with diffusion. The required magnetic fields are obtained from a free-boundary equilibrium using the magnetic fields from external coils and bootstrap plasma currents inside the last closed magnetic surface (LCMS). These results are used to calculate the magnetic fields of the finite beta equilibria inside and outside the LCMS in a form suitable for field-line tracing. Poincaré plots of field lines that diffuse outwards from starting points just inside the LCMS indicate an ergodic divertor region. Intersections of field lines with a simple limiting surface show contained patches suitable for divertor control. Undesirable regions of sharply inclined angle of intersection with the limiting surface are localized, indicating the suitability of the configuration for optimized divertor design techniques. We also discuss physics implications of field-line lengths in the divertor region.

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Sprache(n): eng - English
 Datum: 2003
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 60403
DOI: 10.1088/0029-5515/43/2/304
URI: http://stacks.iop.org/0029-5515/43/107
 Art des Abschluß: -

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Titel: Nuclear Fusion
  Alternativer Titel : Nucl. Fusion
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Copyright © Institute of Physics and IOP Publishing Limited 2003
Seiten: - Band / Heft: 43 Artikelnummer: - Start- / Endseite: 107 - 118 Identifikator: -