The Optimal Hydraulic Design of Centrifugal Impeller Using Genetic Algorithm with BVF

Table 1

Optimal variables.

Variable		Bounds
	Meridional flow factor	(0.0, 1.0)
	Incidence angle	(3.0, 15.0)
	Deviation angle	(1.0, 5.0)
	Wrapping angle	(80.0, 160.0)
	Relative velocity distribution factor	(−1.0, 1.0)
	Bezier control point 1 on hub	(0.0, 1.0)
	Bezier control point 2 on hub	(0.0, 1.0)
	Bezier control point 3 on shroud	(0.0, 1.0)
	Bezier control point 4 on shroud	(0.0, 1.0)