论文标题
在新设计的紧凑型圆环系统中观察环形旋转
Observation of the toroidal rotation in a new designed compact torus system for EAST
论文作者
论文摘要
紧凑型圆环注射被认为是一种高希望的方法，可以在未来的Tokamak设备中实现中心燃料。最近，为实验性的高级超导Tokamak开发了一个紧凑的圆环注射系统，并进行了初步结果。在早期的典型放电中，CT的速度，电子密度和颗粒数可以分别达到56.0 km/s，8.73*10^20 m^（-3）和2.4*10^18（用于氦气）。在实验中观察到在加速过程中CT密度的连续增加，这可能是由于地层区域中的血浆电离可能会将一部分中性气体带入加速区，并且这些中性气体将再次被电离。另外，在编队过程中观察到显着的等离子体旋转，这是由E*B漂移引入的。在本文中，我们介绍了详细的系统设置和初步平台测试结果，希望将来探索CT技术中型超导Tokamak设备的探索基础
Compact torus injection is considered as a high promising approach to realize central fueling in the future tokamak device. Recently, a compact torus injection system has been developed for the Experimental Advanced Superconducting Tokamak, and the preliminary results have been carried out. In the typical discharges of the early stage, the velocity, electron density and particles number of the CT can reach 56.0 km/s, 8.73*10^20 m^(-3) and 2.4*10^18 (for helium), respectively. A continuous increase in CT density during acceleration was observed in the experiment, which may be due to the plasma ionized in the formation region may carry part of the neutral gas into the acceleration region, and these neutral gases will be ionized again. In addition, a significant plasma rotation is observed during the formation process which is introduced by the E*B drift. In this paper, we present the detailed system setup and the preliminary platform test results, hoping to provide some basis for the exploration of the CT technique medium-sized superconducting tokamak device in the future
