CATHARE Multi-1D Modeling of Coolant Mixing in VVER-1000 for RIA Analysis

Table 2

Final state.

Parameter	Plant data	Cathare 12 sectors	Cathare16 sectors	Cathare 24 sectors	Uncertainty
Core power, MW	286	286	286	286	± 60
Pressure above the core, MPa	15.593	15.584	15.585	15.585	± 0.3
Cold leg no. 1 coolant temp, K	555.35	555.35 (BC)	555.35 (BC)	555.35 (BC)	± 1.5
Cold leg no. 2 coolant temp, K	543.05	543.05 (BC)	543.05 (BC)	543.05 (BC)	± 1.5
Cold leg no. 3 coolant temp, K	542.15	542.15 (BC)	542.15 (BC)	542.15 (BC)	± 1.5
Cold leg no. 4 coolant temp, K	542.35	542.35 (BC)	542.35 (BC)	542.35 (BC)	± 1.5
Mass flow rate 1, kg/s	4566	4569.8	4567.4	4567.5	± 200
Mass flow rate 2, kg/s	4676	4677.0	4676.2	4676.2	± 200
Mass flow rate 3, kg/s	4669	4668.2	4668.2	4668.2	± 200
Mass flow rate 4, kg/s	4819	4818.2	4818.2	4818.2	± 200
Reactor mass flow rate, kg/s	18730	18733.2	18729.9	18730	± 800
Hot leg no. 1 coolant temp, K	554.85	554.49	554.64	555.24	± 1.5
Hot leg no. 2 coolant temp, K	548.15	548.19	548.55	547.54	± 1.5
Hot leg no. 3 coolant temp, K	545.75	545.54	545.53	545.48	± 1.5
Hot leg no. 4 coolant temp, K	546.45	546.92	546.44	546.89	± 1.5
Reactor pressure drop, MPa	0.419	0.410	0.411	0.411	± 0.043