Improvement of the Efficiency of the Axial-Flow Pump at Part Loads due to Installing Outlet Guide Vanes Mechanism

Table 1

Parameters of test samples.

Input samples				Simulated results (CFD)	Predicted results (BP-ANN)	Deviation/%
Flow rate coefficient	Head coefficient	Torque	The OGVs; setting angles; (°)
0.337	1.005	119.942	5	65.053	65.255	0.31
0.398	0.824	105.162	5	71.913	71.892	0.03
0.460	0.671	92.795	5	76.527	76.497	0.04
0.521	0.539	80.752	5	80.076	80.043	0.04
0.582	0.365	64.514	5	75.890	76.630	0.98
0.613	0.288	54.436	5	74.546	74.478	0.09
0.644	0.175	41.081	5	63.268	62.661	0.96