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首页> 外文期刊>Plasma physics and controlled fusion >2D interpolation and extrapolation of discrete magnetic measurements with toroidal harmonics for equilibrium reconstruction in a tokamak
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2D interpolation and extrapolation of discrete magnetic measurements with toroidal harmonics for equilibrium reconstruction in a tokamak

机译:离散磁测量的二维内插和外推与环形谐波在托卡马克中的平衡重建

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摘要

We present a method based on the use of toroidal harmonics and on a modelization of the poloidal field coils and divertor coils for the 2D interpolation and extrapolation of discrete magnetic measurements in a tokamak. The method is generic and can be used to provide the Cauchy boundary conditions needed as input by a fixed domain equilibrium reconstruction code like Equinox (Blum et al 2012 J. Comput. Phys. 231 960–80). It can also be used to extrapolate the magnetic measurements in order to compute the plasma boundary itself. The proposed method and algorithm are detailed in this paper and results from numerous numerical experiments are presented. The method is foreseen to be used in the real-time plasma control loop on the WEST tokamak (Bucalossi et al 2011 Fusion Eng. Des. 86 684–8).
机译:我们提出了一种基于使用环形谐波以及对托卡马克中离散磁测量的2D内插和外推的极向场线圈和偏偏器线圈建模的方法。该方法是通用的,可用于提供固定域平衡重建代码(例如Equinox)作为输入所需的柯西边界条件(Blum等,2012 J. Comput。Phys。231 960-80)。它也可以用于外推磁测量,以便计算等离子体边界本身。本文详细介绍了所提出的方法和算法,并给出了许多数值实验的结果。预计该方法将用于WEST Tokamak的实时血浆控制回路中(Bucalossi等,2011 Fusion Eng。Des。86 684-8)。

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