Below are some abbreviations and terms often used in the heat exchanger industry;

  • ETD Extreme Temperature Differential
  • EGC Exhaust Gas Cooler
  • MGO Marine Gas Oil Cooler
  • HTHE Header Tank Heat Exchanger
  • CAC Charge Air Cooler
  • ACOC Air Cooled Oil Cooler
  • PHE / PHEX Plate Heat Exchanger
  • Shell Side Flow/Connections – Shell Side refers to the flow of a fluid, such as oil, over the external surface of the tube stack
  • Tube Side Flow/Connection – Tube Side refers to the flow of fluid through the tubes of the tube stack, usually the coolant Pressure Loss / Drop The level of back pressure generated by pumping the fluids through the heat exchanger circuits

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