Improvement of core heat transport in NBI plasmas of heliotron J using high-intensity gas puffing
C Wang,
S Kobayashi,
K Nagasaki
et al.
Abstract:Controlling the heat transport profile is important for high performance in magnetically confined fusion plasmas. In this study, improved electron heat transport was achieved in neutral beam injection (NBI) plasmas by applying high-intensity gas puffing (HIGP) on a stellarator/heliotron device called Heliotron J. Compared with conventional gas puffing (GP) fueling discharge, a higher and more peaked electron temperature profile was obtained, and the core ion temperature was slightly higher but similarly shaped… Show more
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