Compressor Power

Isentropic & polytropic head · shaft power · discharge temperature · actual and normal flow

Gas Properties

Gas preset

MW = 28.97·κ = 1.4

Average compressibility Z_avg

1.0 for ideal gas. Use (Z₁+Z₂)/2 for real gas.

Suction Conditions

Inlet pressure P₁

Inlet temperature T₁

Flow rate

Reference: 0 °C, 1.01325 bar

Discharge Conditions

Discharge pressure P₂

Efficiency

Polytropic efficiency η_p (%)

Centrifugal: 75–85%. Reciprocating: 80–90%.

Mechanical efficiency η_m (%)

Bearing & seal losses. Typically 96–99%.

Enter gas, suction conditions, discharge pressure, and flow