Research Article
RELAP5/MOD3.3 Code Validation with Plant Abnormal Event
Table 2
Initial conditions for reactor trip transient.
| Variables | Unit | Measured | Measured | Design | Calculated | Calculated | Calculated | (average) | ( second) | accuracy | ( seconds) | ( seconds) | ( second) |
| Pressurizer pressure | MPa | 15.48 | 15.48 | ± 0.37 % | 15.52 | 15.51 | 15.52 | SG 1 pressure | MPa | 6.42 | 6.42 | ± 0.37 % | 6.59 | 6.43 | 6.47 | SG 2 pressure | MPa | 6.40 | 6.40 | ± 0.37 % | 6.57 | 6.42 | 6.45 | Feedwater 1 mass flow rate | kg/s | 499.0 | 504.0 | ± 0.38 % | 495.2 | 495.4 | 495.5 | Feedwater 2 mass flow rate | kg/s | 503.6 | 500.6 | ± 0.38 % | 497.7 | 498.1 | 498.1 | Main steamline 1 mass flowrate | kg/s | 493.9 | 492.6 | ± 0.46 % | 495.2 | 495.4 | 495.4 | Main steamline 2 mass flowrate | kg/s | 501.6 | 501.5 | ± 0.46 % | 497.8 | 498.1 | 498.1 | Pressurizer liquid level | % | 53.02 | 52.95 | ± 0.37 % | 56.10 | 51.88 | 52.63 | Steam generator 1 NR level | % | 69.25 | 69.15 | ± 0.37 % | 69.34 | 69.26 | 69.28 | Steam generator 2 NR level | % | 69.06 | 69.40 | ± 0.37 % | 69.34 | 69.25 | 69.28 | Nuclear power | % | 91.72 | 91.94 | ± 0.26 % | 91.63 | 91.78 | 91.77 | Cold leg 1 temperature | K | 559.41 | 559.36 | ± 0.29 % | 560.74 | 559.15 | 559.51 | Cold leg 2 temperature | K | 559.57 | 559.53 | ± 0.29 % | 560.59 | 558.99 | 559.35 | Hot leg 1 temperature | K | 593.92 | 593.73 | ± 0.29 % | 594.64 | 593.23 | 593.55 | Hot leg 2 temperature | K | 594.58 | 594.62 | ± 0.29 % | 594.64 | 593.23 | 593.55 | Average RCS 1 temperature | K | 576.63 | 576.52 | ± 0.32 % | 577.69 | 576.19 | 576.53 | Average RCS 2 temperature | K | 577.05 | 577.05 | ± 0.32 % | 577.62 | 576.11 | 576.45 | Programed Tavg | K | 576.90 | 576.90 | ± 0.39 % | 576.97 | 576.97 | 577.00 |
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