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Physics in the magnetic configuration space of W7-X

机译:W7-X磁性配置空间中的物理学

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The neoclassical confinement and the bootstrap current are analysed in the configuration space of W7-X by self-consistent neoclassical transport simulations. Since the establishment of quasi-stationary operation is the most important goal for W7-X, the analysis concentrates on high-performance discharge scenarios in magnetic configurations which are adjusted so that bootstrap current vanishes, or, alternatively, on scenarios where the bootstrap current can be balanced by strong ECCD. Both scenarios lead to restrictions either in the configuration space or in plasma parameters and ECRH heating scenarios. Furthermore, the flexibility of the magnetic configuration space of W7-X is briefly described with emphasis on other physics topics of interest, for example, ballooning unstable configurations as well as configurations with a magnetic hill which might lead to interchange instability.
机译:通过自洽新古典运输模拟,在W7-X的配置空间中分析了新古典约束和自举电流。由于建立准静态操作是W7-X的最重要目标,因此分析着重于调整磁性配置以使自举电流消失的高性能放电场景,或者,可以选择自举电流可以消除的场景。由强大的ECCD平衡。两种情况都会导致配置空间或等离子体参数以及ECRH加热情况受到限制。此外,简要介绍了W7-X磁性配置空间的灵活性,重点关注其他感兴趣的物理主题,例如,膨胀不稳定的配置以及带有磁山的配置,这可能会导致交换不稳定性。

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