Assessment of Severe Accident Management for Small IPWR under an ESBO Scenario

Table 1

Key parameters under the steady state for comparison.

System parameters	Designing values	Steady-state calculation values	Error (%)
Initial core power	220.0 MW	220.0 MW	0
Reactor core inlet temperature	562.15 K	554.33 K	1.3
Reactor core outlet temperature	594.15 K	591.27 K	0.5
Pressurizer pressure	15.5 MPa	15.51 MPa	0.06
Primary coolant mass flow rates	1200.0 kg/s	1186 kg/s	1.16
Initial feed water mass flow rate	81.6 kg/s	81.0 kg/s	0.7
Main feedwater temperature	373.15 K	373.8 K	0.17
Main steam pressure	3.0 MPa	3.0 MPa	0