Compressor Efficiency
Calculator
Flow calculation from
process flow element
Enter your inputs
Unit:
Metric
US
Gas Composition
Flow
kg/h
Sm3/h
Nm3/h
lb/h
SCFM
C1
Methane
Molar weight
g/mol
isentropic or polytropic
Polytropic
C2
Ethane
C3
Propane
Inlet conditions
iC4
I-Butane
Pressure
nC4
n-Butane
Temperature
Acid gas
iC5
i-Pentane
nC5
n-Pentane
Outlet conditions
nC6
n-Hexane
Pressure
nC7
n-Heptane
Temperature
nC8
n-Octane
nC9
n-Nonane
nC10
n-Decane
C6H6
Benzene
Case reference:
CO
Carbon Monoxide
CO2
Carbon Dioxide
H2S
Hydrogen Sulfide
Air
Air
H2
Hydrogen
O2
Oxygen
N2
Nitrogen
H2O
Water
Validate the check box if you want to calculate the flow from the flow element dp. The code used is according to ISO 5267.
Calculate the flow from the dp read on flow orifice. You will need to provide the details of your flow orifice
Flow element details
Location of the flow element
At compressor suction
At compressor discharge
Type of flow element
Flow orifice, dp taken at flange
Flow orifice, dp taken at D and D/2
Pipe diameter
mm
Inch
Flow element diameter
mm
Inch
Orifice dp readings
mbar
This is the differential pressure across the flow element.