Research Article
Investigation of a Coolant Mixing Phenomena within the Reactor Pressure Vessel of a VVER-1000 Reactor with Different Simulation Tools
Table 2
Main parameters of the four loops before the test.
| Parameter | Initial state | Accuracy |
| Thermal power, MW | 281 | | Pressure above core, MPa | 15.593 | | Pressure drop over RPV, MPa | 0.418 | | Coolant temperature at core inlet #1, K | 541.75 | | Coolant temperature at core inlet #2, K | 541.85 | | Coolant temperature at core inlet #3, K | 541.75 | | Coolant temperature at core inlet #4, K | 541.75 | | Coolant temperature at core outlet #1, K | 545.00 | | Coolant temperature at core outlet #2, K | 545.00 | | Coolant temperature at core outlet #3, K | 544.90 | | Coolant temperature at core outlet #4, K | 545.00 | | Mass flow rate of loop #1, kg/s | 4737 | | Mass flow rate of loop #2, kg/s | 4718 | | Mass flow rate of loop #3, kg/s | 4682 | | Mass flow rate of loop #4, kg/s | 4834 | |
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