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Author(s):
M. Okamoto
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Title:
Configuration Studies of LHD Plasmas
Date of publication:
Mar. 1997
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Key words:
helical system, LHD, CHS, configuration study, interchange mode, Mercier criterion, bootstrap current, radial electric field
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Abstract:
Configuration studies are performed on the plasmas of The Large Helical Device (LHD), the construction of which is almost completed at the National Institute for Fusion Science. The LHD has flexibility as an experimental device and can have various configurations by changing the poloidal magnetic field, the pitch of the helical coils (pitch parameter), and the ratio of currents flowing in the two helical coils. Characteristics of the plasma are investigated for the standard configuration, the change in the pitch parameter, and the helical axis configuration.
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