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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39 Citations (Scopus)


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
Issue number3
Publication statusPublished - 1996


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