Bifurcation-driven vertical plasma displacement

Kiramov, D. I.; Breizman, B. N.

doi:10.1063/5.0093062

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Bifurcation-driven vertical plasma displacement

Kiramov, D. I.·Breizman, B. N.

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Abstract

This paper considers vertical plasma motion resulting from plasma current decay during the disruption event. The presented filament-based model describes the motion in the ideal wall limit as an adiabatically slow evolution of the plasma equilibrium. Here, the equilibrium exhibits a pitchfork bifurcation when the decaying plasma current passes a critical value determined by the external magnetic field. This bifurcation affects the disruption-induced mechanical loads on the first wall.

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70 PLASMA PHYSICS AND FUSION TECHNOLOGY Nuclear fusion Plasma confinement Tokamaks

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Kiramov, D. I., Breizman, B. N.. 2022-05-10. Bifurcation-driven vertical plasma displacement. https://doi.org/10.1063/5.0093062

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