Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 46 / Number 1
Sergi Ferrando i Margalet, Wilfred Anthony Cooper, Simon J. Allfrey, Pavel Popovitch, Maxim Yu. Isaev
Fusion Science and Technology
Volume 46 / Number 1 / July 2004 / Pages 44-53
Format:electronic copy (download)
The impact of the bootstrap current (BC) has become an important issue in the modeling of quasi-symmetric stellarator devices. Magnetohydrodynamic equilibria have been calculated with self-consistent BC in the collisionless 1/ regime for characteristic quasi-symmetric configurations: a three-period quasi-axisymmetric and a four-period quasi-helically symmetric stellarator. The relationship between magnetic geometry and BC is shown along with its effect on the equilibrium when is increased. The relevance of the nonsymmetric modes is also investigated for both configurations. In each case, the effect on stability has been studied.
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