About: Transport analysis of tungsten and beryllium in JET hybrid plasmas with the ITER-like wall     Goto   Sponge   NotDistinct   Permalink

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  • The reestablishment of the hybrid scenario in JET after installation of the ITER-like wall (ILW) was successful in reaching similar global performances as in the previous Carbon Fibre Composite wall. However, these performances have only been maintained for 2-3 s, after which W accumulation in the core compromises the plasma performance, both due to radiative cooling and to the onset of MHD activity with negative effects on confinement. This paper aims at studying the dynamics of core W accumulation in hybrid plasmas, understanding its origin and possible ways to counteract it, to allow time extension of the improved confinement phase.
  • The reestablishment of the hybrid scenario in JET after installation of the ITER-like wall (ILW) was successful in reaching similar global performances as in the previous Carbon Fibre Composite wall. However, these performances have only been maintained for 2-3 s, after which W accumulation in the core compromises the plasma performance, both due to radiative cooling and to the onset of MHD activity with negative effects on confinement. This paper aims at studying the dynamics of core W accumulation in hybrid plasmas, understanding its origin and possible ways to counteract it, to allow time extension of the improved confinement phase. (en)
Title
  • Transport analysis of tungsten and beryllium in JET hybrid plasmas with the ITER-like wall
  • Transport analysis of tungsten and beryllium in JET hybrid plasmas with the ITER-like wall (en)
skos:prefLabel
  • Transport analysis of tungsten and beryllium in JET hybrid plasmas with the ITER-like wall
  • Transport analysis of tungsten and beryllium in JET hybrid plasmas with the ITER-like wall (en)
skos:notation
  • RIV/61389021:_____/13:00424357!RIV14-AV0-61389021
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  • 111664
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  • RIV/61389021:_____/13:00424357
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  • tokamak; JET; transport; tungsten; beryllium; hybrid plasmas (en)
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  • [5AB90A68151E]
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  • Espoo
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  • EPS 2014:40th European Physical Society Conference on Plasma Physics, Contributed Papers
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  • Mlynář, Jan
  • Joffrin, E.
  • Giroud, C.
  • Belo, P.
  • Beurskens, M.
  • Lehnen, M.
  • Angioni, C.
  • Baruzzo, M.
  • Challis, C.
  • Hawkes, N.
  • Hobirk, J.
  • Lauro Taroni, L.
  • Mantica, P.
  • Pütterich, T.
  • Valisa, M.
  • Delabie, E.
  • Frassinetti, L.
  • Romanelli, M.
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number of pages
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  • European Physical Society
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  • 2-914771-84-3
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