ONLINE MONITORING OF EFFICIENCY
Reference Thermodynamic Data for Compressor Field Operation and Testing  

Compressor Case   
Measurement Planning
Method
Huntington 3-Point Schultz (ASME-PTC10)
Equation of State *
GERG-2008 (ISO20765-2) AGA8-92DC (ISO20765-1) CCS Mix. & Humid Gases

Process Section Data (Flange to Flange)

	Inlet Pressure MPa-a kPa-a Bar-a
	Inlet Temperature K Deg. C
	Mass Flow kg/h kg/s Nm3/h Sm3/h SCFM MMSCFD
	Outlet Pressure (MPa-a)
	Outlet Temperature (K)

Thermo-Mechanical Efficiency

	Mech.Loss (kW)
	Eta gearbox (%) **

Gas	Analysis	Results
Mol.	Fraction %	Inlet
	Methane		Humidity (%)
	Nitrogen		Isentropic Coef. Kt
	Carbon Dioxide		Compressibility
	Ethane		Flow (Am3/h)
	Propane	Exit
	n-Butane		Temperature
	Isobutane		Temperature Istr.
	n-Pentane		Isentropic Coef. Kt
	Isopentane		Compressibility
	n-Hexane		Flow (Am3/h)
	n-Heptane	Performance
	n-Octane		Delta Enthalpy (kJ/kg)
	n-Nonane		Head Istr. (kJ/kg)
	n-Decane		Eta Istr. (%)
	Hydrogen		Head Poly. (kJ/kg)
	Oxygen		Eta Poly. (%)
	Carbon Monox.		Power @ Driver (kW)
	Water		Nor. Flow (Nm3/h)***
	Hydrogen Sulfi.	~ Size:
	Helium		Tip Speed (m/s)
	Argon		Work Input Fact.
	Total %		No. Stages.
	MW  (kg/kmol)

* Only valid for fluids in homogeneous gas phase;
** When gearbox is not present, enter value as '100';
*** Normal conditions: 0 Deg.C, 1.013 bar-a ; standard conditions: 15 Deg.C, 1.013 bar-a For GERG-2008 and AGA8 application limits, refer to standard ISO20765. For combustion gases (CCS): temperatures range from 220 to 700 K; pressures from 0 to 15 MPa.