Research Article
Sensitivity Evaluation of AP1000 Nuclear Power Plant Best Estimation Model
Table 10
The influence of pressurizer node number on the coolant temperature variation.
| | Node number | Reactor inlet temperature (K) | Reactor outlet temperature (K) | Calculated temperature variation (K) | Designed temperature variation (K) | Fractional error |
| | 1 | 550.56 | 591.8925 | 41.3325 | 40.4 | 2.31% | | 3 | 551.7598 | 592.07125 | 40.3115 | 40.4 | 0.22% | | 6 | 554.3637 | 594.7499 | 40.3862 | 40.4 | 0.03% | | 12 | 554.3674 | 594.7526 | 40.3852 | 40.4 | 0.04% | | 18 | 551.62 | 591.96 | 40.34 | 40.4 | 0.15% |
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