Investigation on the Optimal Design and Flow Mechanism of High Pressure Ratio Impeller with Machine Learning Method

Table 1

The variables of the parameterization model.

Geometry	Curve type	Variable points
Hub	Bezier curve	4 with axial and radial coordinate
Shroud	Bezier curve	4 with axial and radial coordinate
Camber line	Bezier curve
Thickness distribution	Bezier curve
Total		41