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Author(s):
N. Ohyabu, A. Komori, K. Akaishi, N. Inoue, Y. Kubota, A.I. Livshit, N. Noda, A. Sagara, H. Suzuki, T. Watanabe, O. Motojima, M. Fujiwara, A. Iiyoshi
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Title:
Innovative Divertor Concepts for LHD
Date of publication:
July 1994
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Key words:
helical divertor, high temperature divertor plasma, LHD, LID, island divertor, carbon sheet pumping, membrane pumping
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Abstract:
We are developing various innovative divertor concepts which improve the LHD plasma performance. These are tow divertor magnetic geometries (helical and local island divertors), three operational scenarios (radiative cooling in the high density, cold boundary, confinement improvement by generating high temperature divertor plasma and simultaneous achievement of radiative cooling and H-mode like confinement improvement) and technological development of new efficient hydrogen pumping schemes.
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