Mathematical Problems in Engineering / 2017 / Article / Tab 1

Research Article

Multipoint and Multiobjective Optimization of a Centrifugal Compressor Impeller Based on Genetic Algorithm

Table 1

SRV2AB rotor design parameters.

Shaft speed50000 rpm
Design mass flow rate2.55 kg/s
Impeller tip radius112 mm
Diffuser outlet radius212.8 mm
Rotor tip speed586 m/s
Rotor pressure ratio6.2 : 1
Blade number full/splitter13/13
LE hub radius30 mm
LE tip radius78 mm
Blade angle LE tip26.5 deg (from tangential)
Blade angle TE52 deg (from tangential)
Exit blade height8.7 mm
Diffuser inclination against radial13 deg
Tip clearance0.5 mm at inlet to 0.3 mm at exit

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