Community Research and Development Information Service - CORDIS


Steam generator tube rupture scenarios (SGTR) [final report]

Project ID: FIKS-CT-1999-00007
Funded under: FP5-EAECTP C


Steam generator reliability and performance are serious concerns in the operation of pressurized water reactors. The aim of the SGTR project was to provide a database of fission product retention in steam generator tube rupture sequences and models, which could be applied to estimate the effectiveness of different accident management strategies in these kind of accidents. Scaled-down models of a western PWR type steam generator and a VVER-440 steam generator were used to analyze the retention of fission products in the steam generator tubes and in the secondary side. Small-scale facilities were used to study the local deposition phenomena. The plant evaluations showed that the accident management measures and the newly developed models influence not only the deposition of fission products, but also the thermal hydraulics, the sequence of events and as a result the fission product behavior.

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