Effects of Different Blade Angle Distributions on Centrifugal Compressor Performance

Table 4

Theoretically calculated surface friction losses and shape losses in the impeller passages with different mass flows scaled to the design mass flow values of case 1.

0.8 𝑚̇des	Surface friction	Shape loss
Case 1	0.71	0.64
Case 2	0.89	0.62
Case 3	0.68	0.68
𝑚̇des	Surface friction	Shape loss
Case 1	1	1
Case 2	1.25	0.97
Case 3	0.94	1.06
1.2 𝑚̇des	Surface friction	Shape loss
Case 1	1.32	1.44
Case 2	1.60	1.39
Case 3	1.32	1.53