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A system of reduced toroidal magnetohydrodynamic (MHD) equations is derived from a general scalar representation of the complete MHD system, using an ordering in terms of the inverse aspect ratio epsilon of a toroidal plasma. It is shown that the energy principle for the reduced equations is identical to the usual energy principle of the complete MHD system, to the appropriate order in epsilon. Thus, the reduced equations have the same ideal MHD stability limits as the full MHD equations.

Additional information

Authors: MASCHKE E K, CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR);MORROS TOSAS J, CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR);URQUIJO G, CEA, CEN Cadarache, Saint-Paul-lez-Durance (FR)
Bibliographic Reference: Report: EUR-CEA-FC-1495 EN (1993)
Availability: Available from CEA, Département de Recherches sur la Fusion Contrôlée, Saint-Paul-lez-Durance (FR)
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