论文标题
在宏观模式和由中性束注射引起的宏观模式和快速颗粒之间的动力学MHD相互作用的途径
En route to realistic modeling of the kinetic-MHD interaction between macroscopic modes and fast particles induced by neutral beam injection in tokamaks
论文作者
论文摘要
在混合动力学 - 磁性水力学代码XTOR-K中实现了由中性束注射（NBI）引起的快速离子源的新模型。该来源以及最近也实现了碰撞，可以建模现实的减速种群及其与宏观模式的相互作用。本文介绍了旨在重现实验构型及其典型放电ASDEX升级Tokamak的中性光束注入和电离模型。在ASDEX升级中，NBI诱导的快速粒子与纠结模式的相互作用的应用显示，传递粒子和n = 1模式之间的共振。这种共振部分稳定了扭结模式，并诱导了快速颗粒的径向运输。初步结果导致迭代圆形几何形状表明NBI诱导了环形扭矩，但对扭结模式动力学的影响很小。
A new model of fast ion source induced by Neutral Beam Injection (NBI) in tokamaks has been implemented in the hybrid kinetic-magnetohydrodynamic code XTOR-K. This source, combined with the collisions also recently implemented, allows for the modeling of realistic slowing-down populations and their interplay with macroscopic modes. This paper describes the Neutral Beam injection and ionization model designed to reproduce experimental configurations and its validation for a typical discharge of the ASDEX Upgrade tokamak. The application to the interaction of NBI-induced fast particles with a kink mode in ASDEX Upgrade demonstrates a resonance between passing particles and the n=1 mode. This resonance partially stabilizes the kink mode and induces a radial transport of fast particles. Preliminary results in ITER-like circular geometry show that NBI induces a toroidal torque but has little impact on the kink mode dynamics.
