Study on Hydraulic Performances of a 3-Bladed Inducer Based on Different Numerical and Experimental Methods

Table 2

Geometrical and operational parameters of the DAPROT3 inducer.

Design flow coefficient	[—]		0.065
Number of blades	[—]		3
Tip radius	mm		81.0
Inlet tip blade angle	deg		82.10
Inlet hub radius (fully developed blade)	mm		44.5
Outlet hub radius	mm		65.6
Axial length (fully developed blade)	mm		63.5
Rotational speed	rpm		1500
Inlet hub radius	mm		35.0
Axial length	mm		90.0
Mean blade height	mm		25.95
Diffusion factor	[—]		0.47
Ratio between the incidence and blade angles ()	[—]		0.33
Tip solidity	[—]		1.68
Incidence tip angle @ design	deg		2.58
Outlet tip blade angle	deg		70.56