VVER-1000 Coolant Transient Benchmark - OECD Nuclear Energy ...

Temperature deviations, K
Temperature
Temperature
deviations,
deviations, K
6
4
2
-2
-4
-6
Figure 4.26: CEA TRIO_U and EREC REMIX results – comparison of
the core inlet temperature deviations from plant data (95 assemblies)
CFD RESULTS AND DISCUSSION
0
0 20 40 60 80 100 120 140 160
-2
-4
-6
-8
Assembly #
CEA TRIO_U - TRIO_U (LES) (LES)
EREC EREC-REMIX REMIX v.1.0 v.1.0 (k-ε)
(k-ε)
Figure 4.27: CEA TRIO_U and EREC REMIX results – comparison of the
core inlet temperature deviations from plant data (163 assemblies)
8
6
4
2
0
0 20 40 60 80 100 120 140 160
Assembly #
EREC EREC-REMIX REMIX v.1.0 v.1.0 (k-ε) (k-ε)
CEA TRIO_U - TRIO_U (LES) (LES)
V1000CT-2: SUMMARY RESULTS OF EXERCISE 1 ON VESSEL MIXING SIMULATION – © OECD/NEA 2010 51