Aerospace Engineering > GATE 2015 > Axial Compressors
Following are the operational parameters of an axial compressor stage:
Air mass flow rate =24 kg/s
Static temperature of air at the rotor inlet =278 K
Velocity of air at the rotor inlet (zero whirl velocity) =140 m/s
Work done on the compressor rotor =734 kJ
Isentropic efficiency of the compressor stage =0.86
Ratio of specific heats =1.4
Specific heat at constant pressure =1.005 kJ/kgK
The stagnation pressure ratio across the axial compressor stage is
Air mass flow rate =24 kg/s
Static temperature of air at the rotor inlet =278 K
Velocity of air at the rotor inlet (zero whirl velocity) =140 m/s
Work done on the compressor rotor =734 kJ
Isentropic efficiency of the compressor stage =0.86
Ratio of specific heats =1.4
Specific heat at constant pressure =1.005 kJ/kgK
The stagnation pressure ratio across the axial compressor stage is
Correct : 1.33 to 1.40
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