Draining and drying process development of the Tokamak Cooling Water System of ITER

Pietro Alessandro Di Maio, Jan Berry, Seokho Kim, Giovanni Dell'Orco, Mitteau Raphael, Walter Van Hove, Juan Ferrada, David Felde

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The ITER Organization (IO) developed a thermal-hydraulic (TH) model of the complex first wall and blanket (FW/BLK) cooling channels to determine gas flow rate and pressure required to effectively blow out the water in the FW/BLK. In addition, US ITER conducted experiments for selected geometries of FW/BLK flow channels to predict the blowout parameters. The analysis indicates that as low as 2. MPa of pressure difference over the blanket modules will ensure substantial evacuation of the water in blankets with just a few percent remaining in the blanket flow channels. A limited validation study indicates that the analysis yields less conservative results to compare against data collected from experiments. Therefore, the designed blow out flow of the drying system was selected with a large margin above the measured values to ensure the blow out operation.
Original languageEnglish
Pages (from-to)272-277
Number of pages6
JournalFusion Engineering and Design
Volume109-111
Publication statusPublished - 2016

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • General Materials Science
  • Mechanical Engineering

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