Research Article
Investigation of a Coolant Mixing Phenomena within the Reactor Pressure Vessel of a VVER-1000 Reactor with Different Simulation Tools
Table 4
Comparison of TRACE predictions with plant data for the final state.
| Parameter | Final state | Accuracy | TRACE | Deviation |
| Thermal power, MW | 286 | | 286 | 0.000 | Pressure above core, MPa | 15.593 | | 15.591 | 0.002 | Pressure drop over RPV, MPa | 0.417 | | 0.404 | 0.013 | Coolant temperature at core inlet #1, K | 555.35 | | 555.39 | | Coolant temperature at core inlet #2, K | 543.05 | | 543.08 | | Coolant temperature at core inlet #3, K | 542.15 | | 542.18 | | Coolant temperature at core inlet #4, K | 542.35 | | 542.38 | | Coolant temperature at core outlet #1, K | 554.85 | | 555.14 | | Coolant temperature at core outlet #2, K | 548.55 | | 548.66 | | Coolant temperature at core outlet #3, K | 545.75 | | 545.44 | 0.31 | Coolant temperature at core outlet #4, K | 546.45 | | 545.69 | 0.76 | Mass flow rate of loop #1, kg/s | 4566 | | 4657 | | Mass flow rate of loop #2, kg/s | 4676 | | 4693 | | Mass flow rate of loop #3, kg/s | 4669 | | 4724 | | Mass flow rate of loop #4, kg/s | 4816 | | 4724 | 92 |
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