Nuclear analysis of the ITER full-tungsten divertor

R. Villari, V. Barabash, F. Escourbiac, L. Ferrand, T. Hirai, V. Komarov, M. Loughlin, M. Merola, F. Moro, L. Petrizzi, S. Podda, E. Polunovsky, G. Brolatti

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Abstract

This paper presents the nuclear analysis performed for the ITER full-tungsten divertor using the MCNP-5 Monte Carlo Code in a 3-D geometry. A detailed model of the geometry of the divertor based on the last design specifications has been integrated into the latest ITER MCNP model. Nuclear heating, damage and helium production have been calculated. The presented results are consistent with recent analysis performed with ATTILA code and with the previous ones with MCNP. The shielding capabilities of the last design are reduced in comparison with the design of 2004 but a negligible impact is expected. The reweldability of radial pipes of the cassette body (CB) is not a concern even assuming irradiation during the whole ITER lifetime. The reweldability of pipes for the refurbishment of the CB with new plasma facing components depends on maintenance scenario. It is not expected that last 2012 divertor design leads to an appreciable increase of the nuclear loads on vacuum vessel and toroidal field coils, since the relative contribution of the divertor region remains low. © 2013 Elsevier B.V.
Original languageEnglish
Pages (from-to)2006 - 2010
Number of pages5
JournalFusion Engineering and Design
Volume88
Issue number9-10
DOIs
Publication statusPublished - Oct 2013
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Villari, R., Barabash, V., Escourbiac, F., Ferrand, L., Hirai, T., Komarov, V., ... Brolatti, G. (2013). Nuclear analysis of the ITER full-tungsten divertor. Fusion Engineering and Design, 88(9-10), 2006 - 2010. https://doi.org/10.1016/j.fusengdes.2013.02.156