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首页> 外文期刊>Plasma physics and controlled fusion >Experimental studies of the physical mechanism determining the radial electric field and its radial structure in a toroidal plasma [Review]
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Experimental studies of the physical mechanism determining the radial electric field and its radial structure in a toroidal plasma [Review]

机译：确定环形等离子体中径向电场及其径向结构的物理机制的实验研究[综述]

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摘要

Experimental studies on radial structures of plasma rotation and radial electric field in toroidal plasmas are reviewed. In this context, the perpendicular and parallel viscosities that determine the toroidal/poloidal rotation velocity and radial electric field profiles are discussed. Experimental studies of parallel viscosity and the comparison with the neoclassical values in heliotron/torsatron and stellarator devices, are described. The anomalous perpendicular viscosity, which is dominant in dictating the toroidal rotation in tokamaks, is also discussed. Even without external momentum input, plasma rotation and radial electric field are sustained by non-ambipolar flux of off-diagonal terms of the transport matrix. The effects of radial electric field shear and the bulk rotation velocity shear on the improvement of particle, momentum and heat transport in bulk and edge plasma regimes are also discussed. [References: 174]
机译：综述了环形等离子体中等离子体旋转的径向结构和径向电场的实验研究。在本文中，讨论了确定环形/极旋转速度和径向电场分布的垂直和平行粘度。描述了平行粘度的实验研究，并在日光加速器/陀螺仪和恒星器装置中与新古典值进行了比较。还讨论了异常的垂直粘度，该粘度在支配托卡马克中的环形旋转中起主导作用。即使没有外部动量输入，传输矩阵的非对角项的非双极性通量也能维持等离子体旋转和径向电场。还讨论了径向电场剪切和整体旋转速度剪切对整体和边缘等离子体状态下粒子，动量和热传递的改善的影响。 [参考：174]

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