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The Dependence of Ballooning Mode Stability of the GAMMA10 Tandem Mirror on the Various Ellipticities of Magnetic Flux Tube in the Anchor Cell

I. Katanuma, T. Ito, T. Natori, Y. Tatematsu, K. Ishii, Y. Nakashima, T. Saito, K. Yatsu

Fusion Science and Technology / Volume 39 / Number 1T / January 2001 / Pages 331-334

Poster Presentations / dx.doi.org/10.13182/FST01-A11963473

Published:February 8, 2018

The variation of the MHD stability boundary is investigated when the ellipticity of the magnetic flux tube in the anchor cells of the GAMMA10 tandem mirror is changed. It is found that the stable region does not change so much when the ellipticity is higher than about fifty, while this region is narrower as the ellipticity is lower than fifty.