Table 7 The frequency and dese for each accident sequence of in-vessel leakage accident.
From: RETRACTED ARTICLE: Preliminary risk assessment of in-vessel leakage accident in ITER
Event | Radiological consequences | Frequency/Y | ||||
|---|---|---|---|---|---|---|
Tritium/g | Dust/g | ACP/g | Dose/Sv | |||
In-vessel FW pipe break | R1 | – | – | – | – | 2.13E−1 |
R2 | 0.016 | 2.8 | 0.019 | 1.293E−5 | 2.76E−3 | |
R3 | – | – | – | – | 5.92E−3 | |
R4 | 0.013 | 2.33 | 0.016 | 1.065E−5 | 2.76E−3 | |
R5 | 1.56 | 140 | 0.019 | 9.19E−4 | 3.58E−4 | |
R6 | 0.011 | 2.00 | 0.014 | 9.086E−6 | 1.69E−5 | |
R7 | 0.011 | 2.00 | 0.014 | 9.086E−6 | 1.30E−6 | |
R8 | 1.1 | 100 | 0.014 | 6.51E−4 | 2.80E−6 | |
R9 | – | – | – | – | 1.32E−6 | |
Multiple FW pipe break | R1 | – | – | – | – | 9.68E−5 |
R2 | 0.038 | 6.77 | 0.046 | 3.103E−5 | 1.26E−6 | |
R3 | – | – | – | – | 5.92E−5 | |
R4 | 0.52 | 46.14 | 0.042 | 3.05E−4 | 1.26E−6 | |
R5 | 2.707 | 242.88 | 0.033 | 1.595E−3 | 1.63E−8 | |
R6 | 0.027 | 4.86 | 0.033 | 2.218E−5 | 7.67E−9 | |
R7 | 0.022 | 4.00 | 0.027 | 1.817E−5 | 5.92E−10 | |
R8 | 2.23 | 20.01 | 0.0256 | 8.579E−4 | 1.27E−9 | |
R9 | – | – | – | – | 6.00E−10 | |
