Design of plasma facing components for the ITER feat divertor

G. Mazzone, G. Brolatti, E. D'Agata, A. Iorizzo, F. Lucca, A. Marin, M. Merola, L. Petrizzi, A. Pizzuto, M. Roccella, L. Semeraro, G. Zanotelli

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Abstract

A comprehensive design of the ITER divertor has been developed within the EU R & D for ITER. It consists of plasma facing components (PFCs) and cassettes body (CB). The PFCs are actively cooled thermal shields while the CB are massive supports for the PFCs providing also a neutronic shield. The present paper gives a detailed design of the PFCs and the CBs. It includes the cooling path, the manifolds, the attachments between the PFCs and the CBs and those between the CBs and the vacuum vessel (VV). The design has been carried out with a series of analyses. The neutronics analysis assures the shielding efficiency of the PFCs/CBs towards the rear components, and calculates the radiation loads in the key points. The electromagnetic (EM) analysis evaluates the loads due to eddy and halo currents. The thermo-hydraulic analysis verifies the effectiveness of the cooling circuit regarding the minimum margin critical heat flux (CHF) and the maximum acceptable pressure drop. The thermo-mechanical analysis verifies the integrity of the components under coolant pressure, neutron/plasma thermal loads and EM loads. The work, done with the collaboration of professionals from different organisations, shows that the proposed design of the components fulfils all the requirements of the ITER FEAT machine. © 2002 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)153 - 163
Number of pages11
JournalFusion Engineering and Design
Volume61-62
DOIs
Publication statusPublished - Nov 2002
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

Mazzone, G., Brolatti, G., D'Agata, E., Iorizzo, A., Lucca, F., Marin, A., ... Zanotelli, G. (2002). Design of plasma facing components for the ITER feat divertor. Fusion Engineering and Design, 61-62, 153 - 163. https://doi.org/10.1016/S0920-3796(02)00227-2