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MHD fluctuations in ISX-B [electronic resource].

Published
Oak Ridge, Tenn. : Oak Ridge National Laboratory, 1984.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 35 : digital, PDF file
Additional Creators
Oak Ridge National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Studies of beam-heated plasmas with Mirnov coils have been continued. Previous observations have shown no correlation between the (1;1) driven modes and confinement; however at higher frequencies, such a correlation can be found. A band-pass filter, monitoring frequencies approx. = 150 kHz, and the integrated fluctuation amplitude from the high-frequency wave-form data are used to obtain B/sub theta//B/sub theta/. The results show increasing B/sub theta//B/sub theta/ is associated with decreasing energy confinement for I/sub p/ and P/sub b/ scans and for cases with and without added neon (known to modify confinement). Using three coils at different toroidal locations, modes with n approx. = 15 have been found under certain conditions. A comparison of co-, counter-, and balanced beam discharges, in which toroidal rotation velocities were measured, allows an estimate of the n values monitored during the scans.
Report Numbers
E 1.99:conf-841010-14
conf-841010-14
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Note
Published through SciTech Connect.
01/01/1984.
"conf-841010-14"
"DE85004800"
Meeting of the Plasma Physics Division of the American Physical Society, Boston, MA, USA, 27 Oct 1984.
Bell, J.D.; Dunlap, J.L.; Wootton, A.J.; Pare, V.K.
Funding Information
AC05-84OR21400
View MARC record | catkey: 14753217