Investigation of a Coolant Mixing Phenomena within the Reactor Pressure Vessel of a VVER-1000 Reactor with Different Simulation Tools

Table 5

Main parameters of the NPP at the end of the test (1800 seconds).

Parameter	Final state	Accuracy
Thermal power, MW	286	$\pm 60$
Pressure above core, MPa	15.593	$\pm 0.300$
Pressure drop over RPV, MPa	0.417	$\pm 0.043$
Coolant temperature at core inlet #1, K	555.35	$\pm 1.50$
Coolant temperature at core inlet #2, K	543.05	$\pm 1.50$
Coolant temperature at core inlet #3, K	542.15	$\pm 1.50$
Coolant temperature at core inlet #4, K	542.35	$\pm 1.50$
Coolant temperature at core outlet #1, K	554.85	$\pm 2.00$
Coolant temperature at core outlet #2, K	548.55	$\pm 2.00$
Coolant temperature at core outlet #3, K	545.75	$\pm 2.00$
Coolant temperature at core outlet #4, K	546.45	$\pm 2.00$
Mass flow rate of loop #1, kg/s	4566	$\pm 110$
Mass flow rate of loop #2, kg/s	4676	$\pm 110$
Mass flow rate of loop #3, kg/s	4669	$\pm 110$
Mass flow rate of loop #4, kg/s	4816	$\pm 110$