Research on Multiobjective Optimization of Bulb Tubular Turbine Based on Orthogonal Test

Table 8

The better solution of range analysis.

Evaluation indexes	Efficiency	Output	Pressure pulsation coefficient	Blade deformation	Blade static pressure value
Factor level	A2B3C2D4E2	A2B4C2D4E2	A1B4C2D3E4	A1B3C1D4E1	A4B3C4D2E1
Better plan	(f)	(g)	(h)	(i)	(j)