在TORE SUPRA上通过快速扫描反射计测量血浆turbulence
Plasma turbulence measured by fast sweep reflectometry on TORE SUPRA
摘要：
传统上致力于电子密度轮廓测量，我们表明，快速扫频反射技术可以带来有价值的和创新的测量等离子体湍流。虽然快速扫频技术是传统上致力于电子密度径向轮廓测量，我们在本文中展示了如何处理的反射信号的波动恢复等离子体密度波动测量具有高的空间和时间分辨率。与磁流体动力学（MHD）活动相关的大尺寸湍流和相关的磁岛可以被检测到。微湍流的径向轮廓，这是负责等离子体的异常输运过程，实验确定通过反射相位信号的波动。
英文摘要：
Traditionally devoted to electron density profile measurement we show that fast frequency sweeping reflectometry technique can bring valuable and innovative measurements onto plasma turbulence. While fast frequency sweeping technique is traditionally devoted to electron density radial profile measurements we show in this paper how we can handle the fluctuations of the reflected signal to recover plasma density fluctuation measurements with a high spatial and temporal resolution. Large size turbulence related to magneto-hydrodynamic (MHD) activity and the associated magnetic islands can be detected. The radial profile of the micro-turbulence, which is responsible for plasma anomalous transport processes, is experimentally determined through the fluctuation of the reflected phase signal.
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