The simulation of plasma in magnetic conical-cusp mirrors using COMSOL multiphysics

In nuclear fusion plasma, open magnetic systems have advantages, including high beta, no neoclassical radial transport, ease preservation, and upgrades. Magnetic Conical-Cusp Mirror is one of these systems that has attracted the attention of researchers. In the Conical-Cusp Mirror device, plasma is...

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Bibliographic Details
Published in:Physica scripta 2021-07, Vol.96 (7), p.75401
Main Author: Ghanbari, M R
Format: Article
Language:English
Subjects:
magnetic conical-cusp mirror
nuclear fusion plasma
open magnetic systems
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Summary:In nuclear fusion plasma, open magnetic systems have advantages, including high beta, no neoclassical radial transport, ease preservation, and upgrades. Magnetic Conical-Cusp Mirror is one of these systems that has attracted the attention of researchers. In the Conical-Cusp Mirror device, plasma is confined by various magnetic coils with different current directions. In this work, a Conical-Cusp Mirror plasma system and a simple magnetic mirror plasma were simulated by COMSOL Multiphysics. Moreover, magnetic field gradient and plasma beta were compared in these two systems. The results showed that the Conical-Cusp Mirror plasma is more stable and has higher beta.
ISSN:0031-8949
1402-4896
DOI:10.1088/1402-4896/abf790