Numerical Study of the Steady-State Subchannel Test-Case with NEPTUNE_CFD for the OECD/NRC NUPEC PSBT Benchmark

Table 7

Cross-section averaged void fraction obtained on the three grid levels for the two interfacial-area models used. Y-M stands for the Yao-Morel model; R-S stands for the Ruyer Seiler model.

	1.2211		1.2223		1.2237		1.4325		1.4326
Exp. values	0.04		0.31		0.44		0.34		0.53
Bubble-size model	Y-M	R-S	Y-M	R-S	Y-M	R-S	Y-M	R-S	Y-M	R-S
Grid level 1	0.04	0.05	0.24	0.24	0.36	0.36	0.44	0.45	0.61	0.61
Grid level 2	0.05	0.05	0.24	0.24	0.36	0.36	0.44	0.45	0.61	0.61
Grid level 3	0.05	0.05	0.24	0.25	0.36	0.36	0.44	0.45	0.61	0.61