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The dynamics of fast electrons in a reversed field pinch configuration is investigated by numerically solving the appropriate kinetic equation in 3 dimensions (2 dimensions in velocity space and 1 dimension in real space). A Fokker-Planck code has been developed, including Coulomb collisions, dc electric field, radial diffusion due to magnetic turbulence, ambipolar electric fields, and the self-consistent evaluation of the magnetic fields generated by the plasma itself. This has allowed the kinetic dynamo model to be validated theoretically in a realistic geometry. The main parameters of standard discharges in the largest existing facility of this RFX type have been simulated successfully.

Additional information

Authors: GIRUZZI G, CEA, Département de Recherches sur la Fusion Contrôlée, CEN Cadarache, Saint-Paul-lez-Durance (FR);MARTINES E, Università di Padova, Dipartimento di Ingegneria Elettrica (IT)
Bibliographic Reference: Report: EUR-CEA-FC-1504 EN (1993) 29 pp.
Availability: Available from CEA, Département de Recherches sur la Fusion Contrôlée, Saint-Paul-lez-Durance (FR)
Record Number: 199410516 / Last updated on: 1994-11-28
Original language: en
Available languages: en