Triton burn-up study in JT-60U

T. Nishitani, M. Hoek, H. Harano, M. Isobe, K. Tobita, Y. Kusama, G. A. Wurden, R. E. Chrien

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28 Citations (Scopus)

Abstract

Time-resolved triton burn-up measurements have been performed using a new type of 14 MeV neutron detector based on scintillating fibres. The shot-integrated triton burn-up ratio was measured to be in the range 0.3-2.0%. Time histories of 14 MeV emission after NB turn-off have been analysed based on the classical slowing-down theory. Assuming the loss of fast tritons can be represented as a diffusivity, values increasing with increasing toroidal ripple were determined between 0.05 and 0.15 m2 s-1, from the modelling of the time histories of the 14 MeV emission after the NB turn-off.

Original languageEnglish
Pages (from-to)355-364
Number of pages10
JournalPlasma Physics and Controlled Fusion
Volume38
Issue number3
DOIs
Publication statusPublished - 1996 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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    Nishitani, T., Hoek, M., Harano, H., Isobe, M., Tobita, K., Kusama, Y., Wurden, G. A., & Chrien, R. E. (1996). Triton burn-up study in JT-60U. Plasma Physics and Controlled Fusion, 38(3), 355-364. https://doi.org/10.1088/0741-3335/38/3/010