List of the model prediction error.

Water cut (%)	Velocity (m s−1)	Experimental f2-average	Predicted f2	Deviations (%)
10	0.40	0.01988	0.02043	2.77
	0.58	0.01298	0.01175	−9.48
	0.76	0.0074	0.00864	16.76
	0.92	0.00579	0.00548	−5.35
	1.09	0.00464	0.00526	13.36
	1.24	0.00501	0.00519	3.59
20	0.52	0.01821	0.01969	8.13
	0.71	0.01248	0.01307	4.73
	0.90	0.01023	0.01095	7.04
	1.07	0.01016	0.01012	−0.39
	1.25	0.00975	0.00966	−0.92
	1.43	0.00928	0.00960	3.45