Optimization Design of IGV Profile in Centrifugal Compressor

Table 1

Parameters of guide vane regulation before and after optimization.

performance parameter	Original profile	Optimized profile
Pressure loss coefficient	2.54793	1.52766
Prewhirl coefficient	1.75281	2.41799
Mass flow (kg/s)	25.86	21.29
Power (MW)	2.2549	1.8479
Pressure ratio	2.39	2.383
Efficiency (%)	85.21	86.15