Validation of NEPTUNE-CFD Two-Phase Flow Models Using Experimental Data

Table 4

Comparison of predicted and measured void fraction.

Run number	PSBT	NEPTUNE-CDF	Relative error (%)	ANSYS CFX 12.1 SST	Relative error (%)
	VF (%)	VF (%)		VF (%)
1.222300	31.100	20.280	−34.790	21.200	31.833
1.223700	44.000	31.850	−27.610	29.100	33.864
1.221100	3.800	3.100	−18.420	11.700	−207.895
1.432600	53.100	58.890	10.900	50.600	4.708
1.432500	33.500	40.470	20.810	34.300	−2.388
1.622200	30.600	41.620	36.010	26.600	13.072