Table 5 Partial reliability data used in this study.
From: RETRACTED ARTICLE: Preliminary risk assessment of in-vessel leakage accident in ITER
System/component | Failure mode | References | Average failure rate |
|---|---|---|---|
Vacuum boundary penetration | Leak | INEEL/EXT-98-00892 | 6 × 10–8/h |
NBI- bellows (seal/interface) | Leak | ENEA-FUS-TN-SA-SE-R-121 | 3.7 × 10–7/h |
In-vessel cooling pipe (iron double layer) | Break | INEL EGG-FSP-10928 | 9.2 × 10–11/mh |
Out-vessel cooling line (diameter > 3inches) | Break | INEEL/EXT-98-00892 | 2.5 × 10–11/mh |
Isotope separation system distillation column | Leak | INEL EGG-FSP-8709 | 3 × 10–8/h |
Liquid helium pipeline | External leakage | IFMIF Data | 5 × 10–7/mh |
Vacuum tube with vacuum boundary | Leak | INEEL/EXT-98-00892 | 1 × 10–8/mh |
Pipes for tritium systems/tritium environments (3.5 m, diameter < 76 mm) | Leak/Break | INEL EGG-FSP-8709 | 1 × 10–8/h |
Uninterruptible supply | Loss of power supply | ENEA-FUS-TN-SA-SE-R-193 | 5 × 10–5/h |
Tritium room air monitor | Failed to start/run | INEEL/CON-2000-00347 | 4.3 × 10–6/h |
