Compressor Polytropic Head Metric Calculator
Pressure Discharge =
Pressure Inlet =
Temperature Inlet =
Compressibility Inlet =
Molecular Weight =
Compressibility Discharge =
Temperature Discharge =
Polytropic Head =
PolytropicExponent =
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Calculation of the polytropic head of a centrifugal compressor. Uses ideal gas relations to calculate polytropic exponent.
Contributed by Clay Crook
Examples
Inlet pressure of 29.1barg
Inlet Temperature of 76.7C
Molecular weight of gas=19.44
Inlet Compressibility=0.956
Discharge pressure=49.1barg
Discharge Temperature=121.2C
Discharge Compressibility=0.961
Polytropic Head=77,628 joules/kg
Keywords
Pressure Discharge
Pressure Inlet
Temperature Inlet
Compressibility Inlet
Molecular Weight
Compressibility Discharge
Temperature Discharge
Polytropic Head
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