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Abstract

Doublet tokamak configurations with two magnetic axes and a separatrix inside the plasma may have different confinement properties from single axis tokamaks. Doublet tokamak configurations have been tried experimentally but not studied in detail theoretically. In order to determine the operational space of these configurations allowed by ideal MHD constraints, a package of equilibrium and stability codes has been developed with an appropriate treatment of the internal separatrix. Some stability results for n = 0 and n = 1 ideal MHD modes are presented.

Additional information

Authors: MEDVEDEV S, Russian Academy of Sciences, Keldysh Institute of Applied Mathematics, Moscow (SU);DEGTYAREV L M, Russian Academy of Sciences, Keldysh Institute of Applied Mathematics, Moscow (SU);MARTYNOV A, Russian Academy of Sciences, Keldysh Institute of Applied Mathematics, Moscow (SU);VILLARD L, Centre de Recherches en Physique des Plasmas, Ecole Polytechnique Fédérale de Lausanne (CH);TROYON F, Centre de Recherches en Physique des Plasmas, Ecole Polytechnique Fédérale de Lausanne (CH);GRUBER R, Gruppo Applicazione Scientifiche della Svizzera, Centro Svizzero di Calcolo Scientifico, Manno (CH)
Bibliographic Reference: Paper presented: 20th EPS Conference on Controlled Fusion and Plasma Physics, Lisboa (PT), July 26-30,1993
Availability: Available from (1) as Paper EN 37364 ORA
Record Number: 199311178 / Last updated on: 1994-11-29
Category: PUBLICATION
Original language: en
Available languages: en
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