Calculators›Refrigeration System
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Refrigeration System Design

GPSA · ASHRAE · Campbell

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Refrigeration System Calculator
Designs mechanical refrigeration systems for NGL recovery and gas processing. Calculates compressor power, heat exchanger duties, and coefficient of performance for propane or mixed-refrigerant cycles.

Process Conditions

°F
°F
Propane: -40 to 120°F range, NGL recovery

Cooling Load

MMBtu/hr
%
°F
Typical Applications:
Propane: NGL recovery, dew point control
Ethane: Deep refrigeration, ethane recovery

Design Parameters

Propane Cycle:
• Evaporator: -40 to 40°F
• Condenser: 80 to 120°F
• Common in gas plants

Ethane Cycle:
• Evaporator: -150 to -40°F
• Deep refrigeration
• Higher operating pressures

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About This Calculator

Designs mechanical refrigeration systems for gas processing applications using propane or ethane refrigerants.

Key Aspects:

  • Thermodynamics: Antoine equation for vapor pressures
  • COP: Coefficient of performance calculations
  • Sizing: Compressor power and heat exchanger area
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