Optimal Design of a Centrifugal Compressor Impeller Using Evolutionary Algorithms

Figure 20

Relative velocities along the blade-to-blade at the mid span: (a) 𝜆=0.08, (b) 𝜆=0.43, (c) 𝜆=0.59, (d) 𝜆=0.73, (e) 𝜆=0.87, and (f) 𝜆=1.01.

(a)

(b)

(c)

(d)

(e)

(f)