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Title Practical beta limit in ITER-shaped discharges in DIII-D and its increase by higher collisionality
Creator/Author La Haye, R.J. ; Chu, M.S. [General Atomics, San Diego, CA (United States)] ; Callen, J.D. [Univ. of Wisconsin, Madison, WI (United States)] [and others]
Publication Date1996 Oct 01
OSTI IdentifierOSTI ID: 453506; Legacy ID: DE97003362
Report Number(s)GA--A22427; CONF-961005--16
DOE Contract NumberAC03-89ER51114;AC02-76CH03073;FG02-92ER54139
Other Number(s)Other: ON: DE97003362; TRN: TRN: AHC29707%%76
Resource TypeConference
Resource RelationConference: 16. International Atomic Energy Agency (IAEA) international conference on plasma physics and controlled nuclear fusion research, Montreal (Canada), 7-11 Oct 1996; Other Information: PBD: Oct 1996
Research OrgGeneral Atomics, San Diego, CA (United States); Princeton Univ., NJ (United States). Plasma Physics Lab.; Wisconsin Univ., Madison, WI (United States)
Sponsoring OrgUSDOE Office of Energy Research, Washington, DC (United States);Association Euratom, Brussels (Belgium);Swiss National Science Foundation, Bern (Switzerland);Department of Trade and Industry, London (United Kingdom)
Subject70 PLASMA PHYSICS AND FUSION; DOUBLET-3 DEVICE; BETA RATIO; ITER TOKAMAK; EDGE LOCALIZED MODES; SAWTOOTH OSCILLATIONS; TEARING INSTABILITY; BALLOONING INSTABILITY; KINK INSTABILITY; MHD EQUILIBRIUM
Description/AbstractThe maximum beta which can be sustained for a long pulse in ITER-shaped plasmas in DIII-D with q{sub 95} {approx_gt} 3, ELMs, and sawteeth is found to be limited by resistive tearing modes, particularly m/n = 3/2 and 2/1. At low collisionality comparable to that which will occur in ITER, the beta limit is a factor of two below the usually expected n = {infinity} ballooning and n = 1 kink ideal limits.
Country of PublicationUnited States
LanguageEnglish
FormatMedium: ED; Size: 12 p.
Availability INIS; OSTI as DE97003362
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System Entry Date2009 Nov 12
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