ASTEC–MAAP Comparison of a 2 Inch Cold Leg LOCA until RPV Failure

Table 1

Comparison of the steady state operational conditions predicted by ASTEC and MAAP.

VARIABLE		ASTEC 2.1.1	MAAP 5.0.2
Primary System	Cold leg flowrate [kg/s]	4735.6	4735.84
	PZR pressure [bar]	155.16	155.87
	Inlet Core Temperature [K]	560.06	559.55
	Outlet Core Temperature [K]	594.50	594.64
	PZR level [m]	6.44	6.29
Secondary System	SG recirculation ratio [-]	4.15	4.15
	SG water level [m]	12.86	12.86
	SG pressure [bar]	58.02	58.02
	SG water mass [kg]	44385	44362
Containment	Pressure [Pa]	1.02e5	1.04e5
	Temperature [K]	308	310