Evaluation of tungsten influx rate using line emissions from W5+ ions in EAST tokamak

Evaluation of tungsten influx rate using line emissions from W5+ ions in EAST tokamak

The S/XB ratios (ionization events per emitted photon) allow one to relate spectroscopic emissivity measurements to the impurity influx from a localized source. In this work, we determine the tungsten influx by examining two dominant extreme ultraviolet line emissions at 382.13 Å and 394.07 Å, corre...

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Main Authors: Fengling Zhang, Darío Mitnik, Ling Zhang, Runjia Bao, Wenmin Zhang, Shigeru Morita, Yunxin Cheng, Ailan Hu, Chengxi Zhou, Jihui Chen, Xiaobin Ding, Yinxian Jie, Haiqing Liu
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Nuclear Fusion
Subjects:
impurity influx in tokamak
S/XB values
EUV spectroscopy
tungsten spectroscopy
Online Access:https://doi.org/10.1088/1741-4326/adb598
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