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Three-dimensional equilibria in axially symmetric tokamaks

机译:轴向对称托卡马克中的三维平衡

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The NSTAB and TRAN computer codes have been developed to study equilibrium, stability, and transport in fusion plasmas with three-dimensional (3D) geometry. The numerical method that is applied calculates islands in tokamaks like the Doublet III-D at General Atomic and the International Thermonuclear Experimental Reactor. When bifurcated 3D solutions are used in Monte Carlo computations of the energy confinement time, a realistic simulation of transport is obtained. The significance of finding many 3D magnetohydrodynamic equilibria in axially symmetric tokamaks needs attention because their cumulative effect may contribute to the prompt loss of alpha particles or to crashes and disruptions that are observed. The 3D theory predicts good performance for stellarators.
机译:已开发出NSTAB和TRAN计算机代码,以研究具有三维(3D)几何形状的聚变等离子体中的平衡,稳定性和传输。应用的数值方法可以计算托卡马克中的孤岛,例如通用原子核的Doublet III-D和国际热核实验反应堆。当在能量限制时间的蒙特卡洛计算中使用分叉的3D解决方案时,可以获得逼真的运输模拟。在轴向对称托卡马克中发现许多3D磁流体动力平衡的重要性需要引起注意,因为它们的累积效应可能会导致α粒子迅速流失或导致观察到的碰撞和破坏。 3D理论预测了恒星的良好性能。

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