Steady state and transient thermal-hydraulic analyses on ITER divertor module

G. Dell'Orco, A. Ancona, A. Di Maio, M. Merola, V. Tomarchio, G. Vella, I. Zammuto

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Abstract

One of the most challenging components of ITER is the divertor devoted at controlling the characteristics of the plasma boundary, exhausting the α particles and reducing the impurities in the plasma. The thermal-hydraulic design of the divertor is particularly, demanding because of the high heat loads and the cooling flow margin in the plasma-facing components (PFCs). The pressure drop is limited by the pumping power and also avoiding the risk of reaching critical heat flux (CHF). Furthermore, for maintenance operation foreseen, each single divertor cassette should be drained and dried before withdrawing it out from the vacuum vessel. To address these requirements, European Fusion Design Agreement (EFDA) has launched a research programme aimed at investigating the theoretical thermal-hydraulic behaviour of the whole divertor cassette, both in the operation and during the water discharge. The study has been carried out with the RELAP5 computer code and the results obtained are herewith presented. © 2005 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)457 - 461
Number of pages5
JournalFusion Engineering and Design
Volume75-79
Issue numberSUPPL.
DOIs
Publication statusPublished - Nov 2005
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

Dell'Orco, G., Ancona, A., Di Maio, A., Merola, M., Tomarchio, V., Vella, G., & Zammuto, I. (2005). Steady state and transient thermal-hydraulic analyses on ITER divertor module. Fusion Engineering and Design, 75-79(SUPPL.), 457 - 461. https://doi.org/10.1016/j.fusengdes.2005.06.339