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首页> 外文期刊>Plasma and Fusion Research >Distortion of Fast α-Particle Two-Dimensional Velocity Distribution Function due to the Transition of Particle Orbit by Nuclear Elastic Scattering in Magnetic Field Confinement
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Distortion of Fast α-Particle Two-Dimensional Velocity Distribution Function due to the Transition of Particle Orbit by Nuclear Elastic Scattering in Magnetic Field Confinement

机译:磁场约束下由于核弹性散射引起的粒子轨道跃迁导致快速α粒子二维​​速度分布函数失真

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The effect of nuclear elastic scattering (NES) on energetic alpha-particles two-dimensional (2D) velocity distribution function in a magnetic fusion device is examined by particle orbit simulation. Energetic alpha-particles exhibit an anisotropic 2D velocity distribution function, because the alpha particle loss reduces the amount of particles moving in a particular direction, and an alpha particle orbit depends on the initial direction of particle. When NES changes the direction of fast alpha particle motion, its orbit can be changed. It is shown that NES causes particle orbit transitions and changes the energetic alpha particles 2D velocity distribution function. We discuss the manner in which the distribution function is changed and how it affects the confinement of fast alpha particles.
机译:通过粒子轨道仿真研究了核聚变(NES)对磁聚变装置中高能α粒子二维​​(2D)速度分布函数的影响。高能α粒子表现出各向异性的2D速度分布函数,因为alpha粒子损失会减少在特定方向上移动的粒子数量,并且alpha粒子轨道取决于粒子的初始方向。当NES改变快速阿尔法粒子运动的方向时,其轨道可以改变。结果表明,NES引起粒子轨道过渡并改变了高能α粒子的二维速度分布函数。我们讨论了分布函数改变的方式以及它如何影响快速α粒子的约束。

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