Research Article
RELAP5/MOD3.3 Code Validation with Plant Abnormal Event
Table 4
Quantitative results for different time intervals.
| | Original FFTBM | FFTBM by signal mirroring | | AA | AA | AA | AA | AA | AA | (−20 seconds– | (0 second– | (0 second– | (−20 seconds– | (0 second– | (0 second– | 0 second) | 80 seconds) | 1800 seconds) | 0 second) | 80 seconds) | 1800 seconds) |
| Core power | 0.005 | 0.239 | 0.234 | 0.007 | 0.306 | 0.304 | RCS average temperature | 0.000 | 0.008 | 0.009 | 0.000 | 0.010 | 0.010 | PRZ pressure | 0.003 | 0.041 | 0.055 | 0.003 | 0.050 | 0.067 | PRZ level | 0.008 | 0.144 | 0.506 | 0.008 | 0.180 | 0.450 | SG 1 pressure | 0.010 | 0.087 | 0.079 | 0.010 | 0.115 | 0.106 | SG 1 NR level | 0.005 | 0.236 | 0.277 | 0.006 | 0.350 | 0.330 | SG 1 steam flow | 0.018 | 0.704 | 0.694 | 0.020 | 0.895 | 0.879 | SG 2 steam flow | 0.022 | 0.655 | 0.652 | 0.022 | 0.780 | 0.787 |
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