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A dynamics investigation into edge plasma turbulence

Authors
  • Thomsen, H.
  • Max-Planck-Institut fuer Plasmaphysik, G...
Publication Date
Jan 01, 2002
Source
OpenGrey Repository
Keywords
Language
English
License
Unknown

Abstract

The present experimental work investigates plasma turbulence in the edge region of magnetized high-temperature plasmas. A main topic is the turbulent dynamics parallel to the magnetic field, where hitherto only a small data basis existed, especially for very long scale lengths in the order of ten of meters. A second point of special interest is the coupling of the dynamics parallel and perpendicular to the magnetic field. This anisotropic turbulent dynamics is investigated by two different approaches. Firstly, spatially and temporally high-resolution measurements of fluctuating plasma parameters are investigated by means of two-point correlation analysis. Secondly, the propagation of signals externally imposed into the turbulent plasma background is studied. For both approaches, Langmuir probe arrays were utilized for diagnostic purposes. (orig.) / SIGLE / Available from TIB Hannover: RA 71(15/1) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische Informationsbibliothek / DE / Germany

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