Deuterium-tritium TFTR plasmas in the high poloidal beta regime

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Deuterium-tritium plasmas with enhanced energy confinement and stability have been produced in the high poloidal beta, advanced tokamak regime in TFTR. Confinement enhancement H {triple_bond} {tau}{sub E}/{tau}{sub E ITER-89P} > 4 has been obtained in a limiter H-mode configuration at moderate plasma current I{sub p} = 0.85 {minus} 1.46 MA. By peaking the plasma current profile, {beta}{sub N dia} {triple_bond} 10{sup 8} < {beta}{sub t{perpendicular}} > aB{sub 0}/I{sub p} = 3 has been obtained in these plasma,s exceeding the {beta}{sub N} limit for TFTR plasmas with lower internal inductance, l{sub i}. Fusion power exceeding 6.7 MW with a fusion power ... continued below

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15 p.

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Sabbagh, S.A.; Mauel, M.E. & Navratil, G.A. March 1, 1995.

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Deuterium-tritium plasmas with enhanced energy confinement and stability have been produced in the high poloidal beta, advanced tokamak regime in TFTR. Confinement enhancement H {triple_bond} {tau}{sub E}/{tau}{sub E ITER-89P} > 4 has been obtained in a limiter H-mode configuration at moderate plasma current I{sub p} = 0.85 {minus} 1.46 MA. By peaking the plasma current profile, {beta}{sub N dia} {triple_bond} 10{sup 8} < {beta}{sub t{perpendicular}} > aB{sub 0}/I{sub p} = 3 has been obtained in these plasma,s exceeding the {beta}{sub N} limit for TFTR plasmas with lower internal inductance, l{sub i}. Fusion power exceeding 6.7 MW with a fusion power gain Q{sub DT} = 0.22 has been produced with reduced alpha particle first orbit loss provided by the increased l{sub i}.

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15 p.

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INIS; OSTI as DE95009393

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  • 15. international conference on plasma physics and controlled nuclear fusion research, Madrid (Spain), 26 Sep - 1 Oct 1994

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  • Other: DE95009393
  • Report No.: PPPL--3078
  • Report No.: IAEA-CN--60/A-5-I-6;CONF-940933--42
  • Grant Number: AC02-76CH03073;FG02-89ER53297;FG02-90ER54084
  • DOI: 10.2172/34433 | External Link
  • Office of Scientific & Technical Information Report Number: 34433
  • Archival Resource Key: ark:/67531/metadc686273

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  • March 1, 1995

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 19, 2015, 8:29 p.m.

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Sabbagh, S.A.; Mauel, M.E. & Navratil, G.A. Deuterium-tritium TFTR plasmas in the high poloidal beta regime, report, March 1, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc686273/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.