期刊
CONTRIBUTIONS TO PLASMA PHYSICS
卷 50, 期 8, 页码 741-744出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ctpp.200900057
关键词
HSX; quasihelical symmetry; quasisymmetry; flows; ChERS
A Charge Exchange Recombination Spectroscopy (ChERS) system has been used to measure the velocity, density, and temperature profiles of fully stripped carbon impurities in the Helically Symmetric eXperiment (HSX). Velocity measurements have been obtained by reversing the magnetic field between sets of shots in order to reverse the plasma flow velocity. This essentially doubles the Doppler shift of the measured photons. It also eliminates the need to accurately determine the exact wavelength of the unshifted emission line which can depend on plasma conditions. Because two viewing angles are used for each radial location, the velocity magnitude and direction can be determined. The intrinsic velocity is found to move primarily in the direction of quasihelical symmetry with a peak velocity similar to 20 km/s. The velocity increases with increasing ECRH power. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据