Wall conditioning effects of boron powder injection in KSTAR with a tungsten divertor

Wall conditioning effects of boron powder injection in KSTAR with a tungsten divertor

Boron powder dropped into KSTAR plasmas decreased the radiated power, core electron density, and $Z_\mathrm {eff}$ , indicating that the ablated and redeposited boron powder helped to condition the plasma-facing surfaces. Visible line emission of oxygen and tungsten were also reduced by 50% (80%) wi...

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Main Authors: Hanna Schamis, Erik P. Gilson, Hyungho Lee, Rajesh Maingi, SangKyeun Kim, Joseph A. Snipes, SeongMoo Yang, Alessandro Bortolon, Juhyeok Jang, Boseong Kim, Dongcheol Seo, Jaein Song, Hyunmyeong Lee, the KSTAR collaboration
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Nuclear Fusion
Subjects:
wall conditioning
boron powder injection
plasma-material interactions
Online Access:https://doi.org/10.1088/1741-4326/adf123
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