Safety analyses of water cooled components inside the JET thermonuclear fusion tokamak

P.A. Ageladarakis, A. Webster, N.P. O'Dowd, S. Papastergiou

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Abstract

A theoretical model, supported by extensive experimental verification, has been used to examine the transient thermal behaviour of water cooled components, installed in the vessel of the world's largest fusion tokamak (JET), under normal operational conditions and abnormal scenarios. Relevant freezing and boiling times for a full range of adverse scenarios were determined by the model, while protective actions were prescribed to safeguard the equipment against freezing or boiling risks. A completely automatic safety protection system, based on the results of the model, has been designed and implemented. The system reacted several times during real off-normal events protecting the relevant JET components.
Original languageEnglish
Pages (from-to)241 - 256
Number of pages16
JournalFusion Engineering and Design
Volume45
Issue number2
DOIs
Publication statusPublished - 1999
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

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