Complete collection of centrifugal compressor tools for performance analysis, surge protection, and thermodynamic calculations per API 617 and GPSA standards.
Interactive head vs. flow performance map with speed lines, surge limit, and efficiency contours.
Calculate surge margin, control line positioning, and minimum stable flow requirements.
Calculate and convert between polytropic and isentropic efficiency with temperature correction.
Calculate polytropic head from pressure ratio, gas properties, and compressibility factors.
Predict discharge temperature from suction conditions, pressure ratio, and efficiency.
Calculate Z-factor, k-value, molecular weight, and density at compressor conditions.
Convert between actual and standard flow rates at different pressure and temperature conditions.
Size single and multi-stage centrifugal compressors with stage-by-stage calculations.
Calculate shaft power from polytropic head, mass flow, and efficiency.
Compare compressor types based on flow range, pressure ratio, efficiency, and application.
High-volume, moderate pressure ratio applications
Variable composition and molecular weight
High pressure ratio, low k-value gases
Selection criteria, application ranges, and comparison of centrifugal vs reciprocating compressors.
How to read and interpret head-flow maps, speed lines, efficiency contours, and surge limits.
Understanding surge phenomena, stonewall limits, and anti-surge control strategies.
Polytropic vs. isentropic processes, enthalpy, entropy, and real gas effects.
Equations of state, compressibility factors, and property calculations at compressor conditions.
Stage-by-stage calculations, intercooling, and multi-stage compression design.
Calculate gas density with compressibility factor for compressor inlet conditions.
PVT calculations for preliminary compressor analysis and verification.
Size suction scrubbers, interstage separators, and discharge knockout drums.
Size suction and discharge piping for compressor stations.
Size recycle valves and anti-surge control valves for compressor service.
Size intercoolers and aftercoolers for multi-stage compression systems.