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  Turbulent edge structure formation in complex configurations

Kendl, A., Scott, B. D., Ball, R., & Dewar, R. L. (2003). Turbulent edge structure formation in complex configurations. Physics of Plasmas, 10(9), 3684-3691. doi:10.1063/1.1602074.

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Kendl, A.1, Autor           
Scott, B. D.2, Autor           
Ball, R.3, Autor
Dewar, R. L.3, Autor
Affiliations:
1Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society
2Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856309              
3Australian National University, Department of Theoretical Physics, Canberra ACT 0200, Australia, ou_persistent22              

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 Zusammenfassung: Formation of nonlinear structures in drift-Alfvén turbulence is investigated in the often complex edge geometries of stellarator and tokamak configurations, by analysis of drift wave turbulence simulations using a model in which three-dimensional magnetic geometries are approximated. The structures of parallel mode extension, radially sheared zonal flows and perpendicular mode spectra are highlighted in particular for three-dimensional stellarator magnetic fields and shaped tokamaks. Specific characteristics of advanced stellarators in comparison to (lower aspect ratio) circular tokamaks are a less pronounced ballooning structure of the modes, a strong influence of local magnetic shear on amplitude structure and average, and stronger level of zonal flows due to lower geodesic curvature.

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Sprache(n): eng - English
 Datum: 2003
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
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Titel: Physics of Plasmas
  Alternativer Titel : Phys. Plasmas
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Copyright © 2003 American Institute of Physics
Seiten: - Band / Heft: 10 (9) Artikelnummer: - Start- / Endseite: 3684 - 3691 Identifikator: -