Research Article
The Investigation of Nonavailability of Passive Safety Systems Effects on Small Break LOCA Sequence in AP1000 Using RELAP5 MOD 4.0
Table 2
Comparison of steady-state results.
| | Parameters | RELAP5 results | Actual value [2] | Error |
| | Core thermal power (MW) | 3410 | 3410 | — | | Coolant volume flow per loop (m3/s) | 9.93 | 9.94 | −0.01 | | RCS pressure (MPa) | 15.54 | 15.52 | +0.02 | | Core inlet temperature (K) | 553.91 | 553.82 | +0.09 | | Core outlet temperature (K) | 594.19 | 594.25 | −0.06 | | Core average temperature (K) | 574.05 | 574 | +0.05 | | SG secondary pressure (MPa) | 5.62 | 5.61 | +0.01 | | SG feedwater temperature (K) | 499.84 | 499.82 | +0.02 |
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