探索新型紧凑型准轴对称恒星器

Tobias M. Schuett, Sophia A. Henneberg
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引用次数: 0

摘要

具有广泛磁场周期的新型紧凑型准轴对称恒星器为结合托卡马克和恒星器这两种领先的磁约束聚变装置的优势提供了独特的潜力。在这里,我们首次对这一类迄今为止只能通过分析获得的装置进行了数值优化。我们的方法发现,在纵横比 $< 2.5$ 时,准轴对称平衡得到了明显改善,反应堆容积中的α粒子没有损失,同时磁流体力学稳定性和自洽等离子体电流也得到了改善。
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Exploring novel compact quasi-axisymmetric stellarators
The new class of compact quasi-axisymmetric stellarators with a wide range of field periods offers the unique potential to combine the advantages of the two leading magnetic confinement fusion devices, tokamaks and stellarators. Here we present the first numerical optimization of this class which has so far only been obtained analytically. Our approach finds significantly improved quasi-axisymmetric equilibria at aspect ratio $< 2.5$, resulting in no losses of alpha particles at reactor volume while also satisfying improved magnetohydrodynamic stability and a self-consistent plasma current.
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