Inversion techniques to obtain local rotation velocity and ion temperature profiles for the x-ray crystal spectrometer on EAST

被引：0
|
作者：
林子超 [1 ,2 ]
张洪明 [1 ]
王福地 [1 ]
Cheonho BAE [1 ]
符佳 [1 ]
金仡飞 [1 ,2 ]
卢迪安 [1 ,2 ]
傅盛宇 [1 ,2 ]
李建康 [1 ,3 ]
吕波 [1 ,2 ]
机构：
[1] Institute of Plasma Physics, HFIPS, Chinese Academy of Sciences
[2] Science Island Branch, Graduate School of University of Science and Technology of China
[3] School of Nuclear Science and Technology, University of South China
来源：
Plasma Science and Technology | 2023年 / 09期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TL631.24 [];
学科分类号：
082701 ;
摘要：
Inversion techniques are conducted based on the tangential x-ray crystal spectroscopy(TXCS)geometry on EAST to obtain the local profiles of ion temperature(Ti) and toroidal rotation velocity(vt). Firstly, local emissivity profiles of the impurity argon are obtained using the asymmetrical Abel inversion.Then, the local vtand Tiprofiles are calculated by considering the local emissivity profiles and the TXCS detailed geometry. In addition, how the changes in the vtprofiles affect the accuracy in the Tiprofiles is discussed in detail. It is also found that the lineintegrated Tiprofiles are becoming less accurate with the increase in the radial gradient in the local vtprofiles. Nonetheless, accurate Tiradial profiles are reconstructed after considering the effects of the emissivity and velocity, which are verified by comparing the inverted vtand Tiprofiles with those local profile measurements from the Charge eXchange Recombination Spectroscopy(CXRS) on EAST.
引用
收藏
页码：35 / 42
页数：8
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